LG Chem, Ltd.

Republic of Korea

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[Owner] LG Chem, Ltd. 11,419
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2026 April (MTD) 35
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IPC Class
H01M 10/052 - Li-accumulators 1,268
H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders 928
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED) 840
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof 811
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers 607
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Found results for  patents
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1.

METHOD FOR PREPARATION OF ACRYLIC ACID

      
Application Number KR2025014675
Publication Number 2026/075404
Status In Force
Filing Date 2025-09-19
Publication Date 2026-04-09
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lee, Jungyong
  • Jeong, Dae Youn
  • Nam, Gibok
  • Choe, Jae Hoon
  • Choe, Dongcheol
  • Kim, Chul Woong
  • Jeong, Cheolhwan

Abstract

The present invention relates to a method for preparation of acrylic acid, the method comprising the steps of: polymerizing an organic acid composition containing an inorganic compound to prepare a prepolymer; washing the prepolymer with a washing solution; and pyrolyzing the washed prepolymer to prepare acrylic acid.

IPC Classes  ?

  • C08G 63/06 - Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxy carboxylic acids
  • C08G 63/78 - Preparation processes
  • C08G 63/88 - Post-polymerisation treatment
  • C08J 3/12 - Powdering or granulating
  • C12P 7/62 - Carboxylic acid esters
  • C08G 63/89 - Recovery of the polymer
  • C08G 63/90 - PurificationDrying
  • C07C 51/09 - Preparation of carboxylic acids or their salts, halides, or anhydrides from carboxylic acid esters or lactones
  • C07C 57/04 - Acrylic acidMethacrylic acid

2.

CONDUCTIVE MATERIAL DISPERSION AND PREPARATION METHOD THEREFOR

      
Application Number KR2025015349
Publication Number 2026/075441
Status In Force
Filing Date 2025-09-29
Publication Date 2026-04-09
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Baek, Hyeon Hui
  • Kim, Taehyeob
  • Lee, Jumin
  • Ahn, Jeong Hyuk
  • Yoon, Kiyoul

Abstract

Provided are a conductive material dispersion and a preparation method therefor, the conductive material dispersion comprising: a carbon-based conductive material; a first dispersant comprising a vinyl-based polymer containing nitrogen atoms; a second dispersant comprising a main component and an auxiliary component; and a dispersion medium. The main component includes a cellulose-based polymer, the auxiliary component includes one or more among a lactone-based polymer and a glycol-based polymer, and, through the preparation of the conductive material dispersion comprising both the first dispersant and the second dispersant, the particle size of particles dispersed in the dispersion may be reduced and the viscosity of the dispersion may be reduced, and thus the carbon-based conductive material may be uniformly and effectively dispersed in the dispersion.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulatorsProcesses of manufacture thereof
  • C01B 32/174 - DerivatisationSolubilisationDispersion in solvents
  • C01B 32/05 - Preparation or purification of carbon not covered by groups , , ,
  • C08K 3/04 - Carbon
  • H01M 4/02 - Electrodes composed of, or comprising, active material

3.

METHOD FOR PREPARING CARBON NANOTUBE DISPERSION

      
Application Number KR2025015446
Publication Number 2026/075457
Status In Force
Filing Date 2025-09-30
Publication Date 2026-04-09
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Taehyeob
  • Baek, Hyeon Hui
  • Lee, Jumin
  • Ahn, Jeong Hyuk
  • Yoon, Kiyoul

Abstract

The present invention relates to a method for preparing a carbon nanotube dispersion comprising carbon nanotubes, a solvent, a main dispersant, an auxiliary dispersant, and an additive, wherein the components are introduced stepwise to effectively disperse the carbon nanotubes. The carbon nanotube dispersion prepared according to the method for preparing a carbon nanotube dispersion according to one embodiment of the present invention exhibits a small change in viscosity over time, a relatively low viscosity, and uniform and effective dispersion of the carbon nanotubes.

IPC Classes  ?

  • C01B 32/174 - DerivatisationSolubilisationDispersion in solvents
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers

4.

SOLID PHASE 3-HYDROXYPROPIONIC ACID OLIGOMER RESIN

      
Application Number KR2025014677
Publication Number 2026/075405
Status In Force
Filing Date 2025-09-19
Publication Date 2026-04-09
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lee, Jungyong
  • Jeong, Dae Youn
  • Nam, Gibok
  • Choe, Jae Hoon
  • Kim, Chul Woong
  • Jeong, Cheolhwan

Abstract

The present invention relates to a solid phase 3-hydroxypropionic acid oligomer resin having a thermal decomposition temperature (Td), as measured by thermogravimetric analysis (TGA), of 290 °C or higher. The solid phase 3-hydroxypropionic acid oligomer resin according to the present invention exhibits excellent morphological stability and stability of physical properties at room temperature and can be easily converted into a monomer or into a polymer.

IPC Classes  ?

  • C08G 63/06 - Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxy carboxylic acids
  • C08G 63/78 - Preparation processes
  • C08G 63/88 - Post-polymerisation treatment
  • C08J 3/12 - Powdering or granulating
  • C12P 7/62 - Carboxylic acid esters
  • C08G 63/89 - Recovery of the polymer
  • C08G 63/90 - PurificationDrying
  • C07C 51/09 - Preparation of carboxylic acids or their salts, halides, or anhydrides from carboxylic acid esters or lactones
  • C07C 57/04 - Acrylic acidMethacrylic acid

5.

3-HYDROXYPROPIONIC ACID OLIGOMER PARTICLES AND PREPARATION METHOD THEREOF

      
Application Number KR2025014674
Publication Number 2026/075403
Status In Force
Filing Date 2025-09-19
Publication Date 2026-04-09
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Nam, Gibok
  • Lee, Jungyong
  • Jeong, Dae Youn
  • Kim, Chul Woong
  • Jeong, Cheolhwan
  • Kang, Donggyun
  • Choe, Jae Hoon
  • Woo, Seung A
  • Choe, Dongcheol
  • Choi, Jong Young

Abstract

The present invention relates to: 3-hydroxypropionic acid oligomer particles comprising a 3-hydroxypropionic acid oligomer; and a preparation method thereof.

IPC Classes  ?

  • C08G 63/06 - Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxy carboxylic acids
  • C08G 63/78 - Preparation processes
  • C08G 63/88 - Post-polymerisation treatment
  • C08J 3/12 - Powdering or granulating
  • C12P 7/62 - Carboxylic acid esters
  • C08G 63/89 - Recovery of the polymer
  • C08G 63/90 - PurificationDrying
  • C07C 51/09 - Preparation of carboxylic acids or their salts, halides, or anhydrides from carboxylic acid esters or lactones
  • C07C 57/04 - Acrylic acidMethacrylic acid

6.

POSITIVE ELECTRODE ACTIVE MATERIAL, AND POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

      
Application Number KR2025015245
Publication Number 2026/075427
Status In Force
Filing Date 2025-09-26
Publication Date 2026-04-09
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Choi, So Jeong
  • Shin, Myung Gyu
  • Yu, Jong Yeol
  • Choi, Seung Hyun

Abstract

The present invention relates to a positive electrode active material which comprises a polycrystalline lithium transition metal oxide having a nickel (Ni) content of 40-70 mol% with respect to the total content of transition metals, the positive electrode active material having an average particle diameter (D50) of 15 µm or more, having a particle size distribution (K90) of 0.3 or more and less than 0.7, and having a grain size of 95-130 nm as measured by X-ray diffraction (XRD) analysis, and the positive electrode active material can have excellent levels of charge/discharge capacity and rate characteristics.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 10/052 - Li-accumulators
  • H01M 4/02 - Electrodes composed of, or comprising, active material

7.

LIQUID CRYSTAL NANO-CAPSULE, AND CAPSULE SOLUTION, OPTICAL FILM, OPTICAL DEVICE, TRANSMITTANCE VARIABLE DEVICE USING SAME

      
Application Number KR2025095549
Publication Number 2026/075539
Status In Force
Filing Date 2025-09-11
Publication Date 2026-04-09
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Yeji
  • Kim, Jinhong
  • Kim, Jee Seon
  • Kim, Yunseop

Abstract

The present invention relates to a liquid crystal nano-capsule and a capsule solution, an optical film, an optical device, and a transmittance variable device using same, the liquid crystal nano-capsule comprising: a core containing a liquid crystal; and a polymer shell formed on the surface of the core, wherein the sum of the onset temperature change value according to equation 1 and the peak temperature change value according to equation 2 is 37.5°C or less.

IPC Classes  ?

  • C09K 19/52 - Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives
  • C09K 19/54 - Additives having no specific mesophase
  • G02F 1/1334 - Constructional arrangements based on polymer-dispersed liquid crystals, e.g. microencapsulated liquid crystals

8.

LITHIUM METAL PHOSPHATE-BASED POSITIVE ELECTRODE ACTIVE MATERIAL AND METHOD FOR PRODUCING SAME

      
Application Number KR2025011414
Publication Number 2026/071444
Status In Force
Filing Date 2025-07-31
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Suh, Donghoon
  • Park, Eun Seok
  • Kim, Daesung
  • Kim, Jungyu
  • Kim, Youjin

Abstract

The present invention relates to a lithium metal phosphate-based positive electrode active material having an olivine structure in which pores are formed, and more particularly, to: a lithium metal phosphate-based positive electrode active material in which a combination index, reflecting the relative volume ratio occupied by micropores having a diameter in the range of 1.6 nm to 2.2 nm among all pores, the specific surface area of the positive electrode active material, and the average crystal size, is set in a predetermined range, and structural characteristics are defined on the basis of the balance between the pore ratio, the specific surface area, and the crystal size; and a method for producing same.

IPC Classes  ?

  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
  • C01B 25/45 - Phosphates containing plural metal, or metal and ammonium
  • H01M 4/02 - Electrodes composed of, or comprising, active material

9.

CARBON NANOTUBE DISPERSION SOLUTION AND PREPARATION METHOD THEREFOR

      
Application Number KR2025014934
Publication Number 2026/071686
Status In Force
Filing Date 2025-09-24
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Jang, Youngjin
  • Kim, Eunbum
  • Cho, Seung Wook
  • Yoon, Kiyoul

Abstract

A carbon nanotube dispersion solution comprising carbon nanotubes, a dispersant and a solvent is provided. The dispersant includes a first dispersant, which includes a vinyl-based polymer comprising a halogen atom, and a second dispersant, which includes a cationic compound having a pyrazine structure. The carbon nanotube dispersion solution according to one embodiment of the present invention comprises a first dispersant and a second dispersant, and thus can significantly reduce an initial viscosity of the carbon nanotube dispersion solution and a subsequent rate of change in viscosity over time.

IPC Classes  ?

  • C01B 32/174 - DerivatisationSolubilisationDispersion in solvents
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers

10.

RESIN COMPOSITION

      
Application Number KR2025014973
Publication Number 2026/071702
Status In Force
Filing Date 2025-09-24
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lee, Won Seok
  • Choi, Jeong Su
  • Lee, Roo Da
  • Park, Sang Hoo
  • Lee, Jong Ju

Abstract

A resin composition according to an embodiment of the present invention comprises: a graft copolymer including a conjugated diene-based polymer, an alkyl (meth)acrylate-based monomer unit, an aromatic vinyl-based monomer unit, and a vinylcyan-based monomer unit; and a styrene-based copolymer including an alkyl (meth)acrylate-based monomer unit, an aromatic vinyl-based monomer unit, and a maleimide-based monomer unit, wherein the conjugated diene-based polymer may have a degree of crosslinking of 85% or more and a degree of swelling of 14 or less, and the graft copolymer may have a degree of swelling of 5-16.

IPC Classes  ?

  • C08L 33/12 - Homopolymers or copolymers of methyl methacrylate
  • C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to rubbers
  • C08F 279/02 - Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group on to polymers of conjugated dienes
  • C08F 220/14 - Methyl esters
  • C08F 212/08 - Styrene
  • C08F 220/44 - Acrylonitrile
  • C08F 222/40 - Imides, e.g. cyclic imides
  • C08F 220/06 - Acrylic acidMethacrylic acidMetal salts or ammonium salts thereof

11.

ELECTRODE FOR WATER ELECTROLYSIS, MEMBRANE-ELECTRODE ASSEMBLY COMPRISING SAME, AND ELECTROLYSIS CELL COMPRISING MEMBRANE-ELECTRODE ASSEMBLY

      
Application Number KR2025014994
Publication Number 2026/071715
Status In Force
Filing Date 2025-09-24
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kang, Ju Yeon
  • Cho, Man Ki
  • Kang, Na Yoon
  • Kim, Ki Hwan
  • Son, Ho Yeon
  • Kim, Sang Woo
  • Noh, Tae Geun

Abstract

The present invention relates to an electrode for water electrolysis, a membrane-electrode assembly comprising same, and an electrolysis cell comprising the membrane electrode assembly, and provides an electrode for water electrolysis comprising a substrate and a catalyst layer thereon comprising iridium oxide, and a membrane-electrode assembly and an electrolysis cell comprising the electrode.

IPC Classes  ?

  • C25B 11/077 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of a single catalytic element or catalytic compound the compound being a non-noble metal oxide
  • C25B 11/052 - Electrodes comprising one or more electrocatalytic coatings on a substrate
  • C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
  • C25B 1/04 - Hydrogen or oxygen by electrolysis of water
  • C25B 13/08 - DiaphragmsSpacing elements characterised by the material based on organic materials

12.

HEAT-ABSORBING PAD

      
Application Number KR2025015099
Publication Number 2026/071741
Status In Force
Filing Date 2025-09-25
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Yang, Young Jo
  • Park, Hyoung Sook
  • Kim, So Yeong
  • Baek, Si Yeon
  • Han, Eun Gu
  • Park, Sang Min
  • Kim, Hyun Suk

Abstract

The present application relates to a heat-absorbing pad comprising a binder resin and a heat-absorbing material, wherein the moisture content of 100 mg of the heat-absorbing pad, as measured within the temperature range of 150°C to 250°C using the Karl Fischer method, is at least 10,000 ppm. The heat-absorbing pad of the present application exhibits excellent thermal transfer delay characteristics, can exhibit excellent durability against flames, and can be effectively used to delay the transfer of heat to adjacent battery cells in the event of thermal runaway in a battery cell.

IPC Classes  ?

  • H01M 10/659 - Means for temperature control structurally associated with the cells by heat storage or buffering, e.g. heat capacity or liquid-solid phase changes or transition
  • H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
  • C09K 5/08 - Materials not undergoing a change of physical state when used
  • A62C 3/16 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
  • C08K 3/38 - Boron-containing compounds
  • C08K 5/09 - Carboxylic acidsMetal salts thereofAnhydrides thereof
  • C08K 3/32 - Phosphorus-containing compounds
  • C08K 3/30 - Sulfur-, selenium-, or tellurium-containing compounds
  • C08L 83/04 - Polysiloxanes
  • C08J 5/18 - Manufacture of films or sheets

13.

HEAT-ABSORBING PAD

      
Application Number KR2025015100
Publication Number 2026/071742
Status In Force
Filing Date 2025-09-25
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, So Yeong
  • Kim, Hyun Suk
  • Park, Hyoung Sook
  • Baek, Si Yeon
  • Yang, Young Jo
  • Han, Eun Gu
  • Park, Sang Min

Abstract

The present application relates to a heat-absorbing pad. The present application can provide a heat-absorbing pad having excellent flame resistance and compressive performance. The heat-absorbing pad can be effectively used to delay the transfer of heat to adjacent battery cells in the event of thermal runaway in a battery cell.

IPC Classes  ?

  • H01M 10/659 - Means for temperature control structurally associated with the cells by heat storage or buffering, e.g. heat capacity or liquid-solid phase changes or transition
  • H01M 10/6554 - Rods or plates
  • H01M 10/613 - Cooling or keeping cold
  • C09K 5/06 - Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice-versa
  • C08K 5/00 - Use of organic ingredients
  • C08K 5/54 - Silicon-containing compounds
  • C08L 83/06 - Polysiloxanes containing silicon bound to oxygen-containing groups

14.

ELECTRICALLY HEATED REACTOR

      
Application Number KR2025015116
Publication Number 2026/071751
Status In Force
Filing Date 2025-09-25
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Park, Hongseok
  • Kim, Lucia
  • Kwon, Hyun Jee
  • Kang, Mooseong
  • Kim, Huiyong
  • Choi, Jaehoon

Abstract

Disclosed is an electrically heated reactor. The electrically heated reactor comprises: a reaction tube unit which includes an inlet formed on one side and an outlet formed on the other side, and in which a passage through which a reactant passes is formed in the longitudinal direction; and a power source configured to provide power to the reaction tube unit and heat the reactant passing through the passage. The reaction tube unit may include: a first reaction tube having a first length; a second reaction tube that is connected to a second reaction tube in a straight line in the longitudinal direction and has a second length; a pair of first electrodes connecting the power source to both ends of the first reaction tube; and a pair of second electrodes connecting the power source to both ends of the second reaction tube, wherein the first electrodes and the second electrodes can be connected to the power source in parallel to each other.

IPC Classes  ?

  • B01J 8/02 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with stationary particles, e.g. in fixed beds
  • B01J 8/06 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with stationary particles, e.g. in fixed beds in tube reactorsChemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with stationary particles, e.g. in fixed beds the solid particles being arranged in tubes
  • B01J 19/00 - Chemical, physical or physico-chemical processes in generalTheir relevant apparatus
  • B01J 19/24 - Stationary reactors without moving elements inside

15.

WATER ELECTROLYSIS ELECTRODE, MEMBRANE ELECTRODE ASSEMBLY COMPRISING SAME, AND ELECTROLYSIS CELL COMPRISING MEMBRANE ELECTRODE ASSEMBLY

      
Application Number KR2025015128
Publication Number 2026/071754
Status In Force
Filing Date 2025-09-25
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Cho, Man Ki
  • Kim, Ki Hwan
  • Lee, Jong Jin
  • Yoo, Jae Hyun
  • Jeong, Jae Hak
  • Son, Ho Yeon
  • Kim, Sang Woo
  • Kang, Na Yoon
  • Noh, Tae Geun
  • Kang, Ju Yeon

Abstract

The present invention relates to a water electrolysis electrode, a membrane electrode assembly comprising same, and an electrolysis cell comprising the membrane electrode assembly. Provided are a water electrolysis electrode, a membrane electrode assembly comprising same, and an electrolysis cell, the water electrolysis electrode comprising: a substrate; and a catalyst layer positioned on the substrate and comprising an iridium oxide and an iridium oxide-ionomer aggregate.

IPC Classes  ?

  • C25B 11/091 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of at least one catalytic element and at least one catalytic compoundElectrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of two or more catalytic elements or catalytic compounds
  • C25B 11/077 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of a single catalytic element or catalytic compound the compound being a non-noble metal oxide
  • C25B 11/052 - Electrodes comprising one or more electrocatalytic coatings on a substrate
  • C25B 13/02 - DiaphragmsSpacing elements characterised by shape or form
  • C25B 13/08 - DiaphragmsSpacing elements characterised by the material based on organic materials
  • C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
  • C25B 1/04 - Hydrogen or oxygen by electrolysis of water

16.

APPARATUS FOR PULVERIZING POSITIVE ELECTRODE MATERIAL

      
Application Number KR2025015208
Publication Number 2026/071783
Status In Force
Filing Date 2025-09-26
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor Jang, Jun Won

Abstract

Provided is an apparatus for pulverizing a positive electrode material, the apparatus comprising: a primary pulverizing device configured to receive a calcined positive electrode material and primarily pulverize same; an input device configured to input the calcined positive electrode material into the primary pulverizing device; a blower configured to transfer the primarily pulverized positive electrode material from the primary pulverizing device to a filter; and a controller configured to control operations of the input device, wherein the controller is configured to receive a process variable of the blower, and determine that a pipe is clogged if the value of the received process variable is out of a normal range.

IPC Classes  ?

  • B02C 23/04 - Safety devices
  • B02C 23/16 - Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
  • B02C 23/32 - Passing gas through crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
  • B02C 23/34 - Passing gas through crushing or disintegrating zone gas being recirculated to crushing or disintegrating zone
  • B02C 23/38 - Adding fluid, other than for crushing or disintegrating by fluid energy in apparatus having multiple crushing or disintegrating zones

17.

CATALYST FOR PRODUCING CARBON NANOTUBES AND CARBON NANOTUBES PRODUCED USING SAME

      
Application Number KR2025015292
Publication Number 2026/071802
Status In Force
Filing Date 2025-09-29
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Gim, Minyeong
  • Choi, Jungho
  • Kim, Se Hyun
  • Jeon, Heejung
  • Oh, Eugene
  • Kim, Ogsin
  • Bae, Keon
  • Hwang, Doo Sung
  • Kim, Dongeun

Abstract

The present invention relates to a catalyst for manufacturing carbon nanotubes, and particularly, to a catalyst for manufacturing thin-walled carbon nanotubes, carbon nanotubes produced using the catalyst, a carbon nanotube dispersion, an electrode structure comprising the carbon nanotubes, and a secondary battery comprising the carbon nanotubes.

IPC Classes  ?

  • B01J 37/03 - PrecipitationCo-precipitation
  • B01J 23/881 - Molybdenum and iron
  • B01J 21/10 - MagnesiumOxides or hydroxides thereof
  • B01J 23/84 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
  • C01B 32/162 - Preparation characterised by catalysts

18.

POLYETHYLENE AND COMPOSITION COMPRISING SAME

      
Application Number KR2025015408
Publication Number 2026/071821
Status In Force
Filing Date 2025-09-30
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Seo, Jin Seok
  • Hong, Bog Ki
  • Kim, Jeongsik

Abstract

The present invention provides polyethylene having improved resistance to environmental stress cracking as well as retaining excellent mechanical properties when combined with recycled polyethylene, and a polyethylene composition comprising same.

IPC Classes  ?

  • C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
  • C08F 4/659 - Component covered by group containing a transition metal-carbon bond
  • C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
  • C08L 23/04 - Homopolymers or copolymers of ethene
  • C08L 23/0807 - Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
  • C08L 23/06 - Polyethene

19.

POLYETHYLENE RESIN AND COMPOSITION COMPRISING SAME

      
Application Number KR2025015410
Publication Number 2026/071822
Status In Force
Filing Date 2025-09-30
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Daehwan
  • Hong, Bog Ki
  • Kim, Joongsoo
  • Seo, Jin Seok
  • Kim, Jeongsik

Abstract

The present invention provides a polyethylene resin which, when combined with recycled polyethylene, retains excellent mechanical properties, has improved resistance to environmental stress cracking, and also prevents discoloration, and a polyethylene resin composition comprising same.

IPC Classes  ?

  • C08K 5/24 - Derivatives of hydrazine
  • C08K 5/524 - Esters of phosphorous acids, e.g. of H3PO3
  • C08K 5/134 - Phenols containing ester groups
  • C08L 23/04 - Homopolymers or copolymers of ethene
  • C08L 23/0807 - Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
  • C08L 23/06 - Polyethene
  • C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
  • C08F 4/659 - Component covered by group containing a transition metal-carbon bond
  • C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring

20.

POLYETHYLENE AND COMPOSITION COMPRISING SAME

      
Application Number KR2025015415
Publication Number 2026/071823
Status In Force
Filing Date 2025-09-30
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Myung Jin
  • Lee, Jinseok
  • Lee, Seung Muk
  • Kwon, Heon Yong
  • Park, Nayoung
  • Hong, Bog Ki
  • Kim, Daehwan
  • Kim, Joongsoo
  • Seo, Jin Seok
  • Kim, Jeongsik

Abstract

The present invention provides polyethylene having improved processability and resistance to environmental stress cracking as well as retaining excellent mechanical properties when combined with recycled polyethylene, and a polyethylene composition comprising same.

IPC Classes  ?

  • C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
  • C08F 4/659 - Component covered by group containing a transition metal-carbon bond
  • C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
  • C08L 23/04 - Homopolymers or copolymers of ethene
  • C08L 23/0807 - Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
  • C08L 23/06 - Polyethene

21.

POLYETHYLENE HAVING IMPROVED DROP IMPACT STRENGTH AND COMPOSITION COMPRISING SAME

      
Application Number KR2025015421
Publication Number 2026/071825
Status In Force
Filing Date 2025-09-30
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Jeongsik
  • Hong, Bog Ki
  • Seo, Jin Seok
  • Kim, Daehwan
  • Kim, Joongsoo

Abstract

The present invention provides polyethylene and a polyethylene composition comprising same, the polyethylene having excellent surface impact strength with no change in processability, when combined with recycled polyethylene, and being capable of improving the drop impact strength of a final product.

IPC Classes  ?

  • C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
  • C08F 4/659 - Component covered by group containing a transition metal-carbon bond
  • C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
  • C08L 23/04 - Homopolymers or copolymers of ethene
  • C08L 23/0807 - Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
  • C08L 23/06 - Polyethene

22.

POLYETHYLENE AND COMPOSITION COMPRISING SAME

      
Application Number KR2025015422
Publication Number 2026/071826
Status In Force
Filing Date 2025-09-30
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Joongsoo
  • Hong, Bog Ki
  • Kim, Daehwan
  • Seo, Jin Seok
  • Kim, Jeongsik

Abstract

The present invention provides polyethylene having improved processability and resistance to environmental stress cracking as well as retaining excellent mechanical properties when combined with recycled polyethylene, and a polyethylene composition comprising same.

IPC Classes  ?

  • C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
  • C08F 4/659 - Component covered by group containing a transition metal-carbon bond
  • C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
  • C08L 23/04 - Homopolymers or copolymers of ethene
  • C08L 23/0807 - Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
  • C08L 23/06 - Polyethene

23.

ELECTRODE FOR WATER ELECTROLYSIS AND MEMBRANE ELECTRODE ASSEMBLY COMPRISING SAME

      
Application Number KR2025015486
Publication Number 2026/071837
Status In Force
Filing Date 2025-09-30
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Son, Ho Yeon
  • Kim, Sang Woo
  • Noh, Tae Geun
  • Lee, Jong Jin
  • Kim, Ki Hwan
  • Kang, Na Yoon

Abstract

The present invention relates to an electrode for water electrolysis and a membrane electrode assembly comprising same, wherein the electrode for water electrolysis comprises a catalyst layer comprising a catalyst containing metallic iridium and iridium oxide, wherein the full width at half maximum of the metallic iridium peak and the iridium loading amount of the catalyst layer satisfy specific conditions.

IPC Classes  ?

  • C25B 11/091 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of at least one catalytic element and at least one catalytic compoundElectrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of two or more catalytic elements or catalytic compounds
  • C25B 11/081 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of a single catalytic element or catalytic compound the element being a noble metal
  • C25B 11/095 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of at least one catalytic element and at least one catalytic compoundElectrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of two or more catalytic elements or catalytic compounds at least one of the compounds being organic
  • C25B 13/02 - DiaphragmsSpacing elements characterised by shape or form
  • C25B 1/04 - Hydrogen or oxygen by electrolysis of water

24.

POSITIVE ELECTRODE ACTIVE MATERIAL POWDER, AND POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

      
Application Number KR2025015497
Publication Number 2026/071841
Status In Force
Filing Date 2025-09-30
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Dae Sung
  • Park, Eun Seok
  • Kim, Jun Gyu
  • Suh, Dong Hoon
  • Kim, You Jin

Abstract

50cc) of 90-180 nm, and the value (X) calculated by Equation 1 described in the present specification is 10-50 nm; and a positive electrode and a lithium secondary battery which comprise the positive electrode active material powder.

IPC Classes  ?

  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
  • H01M 4/02 - Electrodes composed of, or comprising, active material

25.

METHOD FOR CONCENTRATING SODIUM HYDROXIDE SOLUTION

      
Application Number KR2025010523
Publication Number 2026/071431
Status In Force
Filing Date 2025-07-17
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Cho, Hyun Jun
  • Lee, Sung Kyu

Abstract

The present invention relates to a method for concentrating a sodium hydroxide solution in a step-by-step process for concentrating the sodium hydroxide solution using a concentration unit in which a plurality of evaporators from a first evaporator to an nth evaporator are connected in series, the method comprising: introducing the sodium hydroxide solution into the first evaporator and then evaporating same to obtain a first sodium hydroxide concentrate, and recovering steam evaporated from the sodium hydroxide solution; and introducing the first sodium hydroxide concentrate into a subsequent evaporator, and introducing the steam recovered from the first evaporator into a mechanical steam recompression device and compressing same, wherein the nth evaporator uses the compressed steam as a heat source.

IPC Classes  ?

26.

POSITIVE ELECTRODE ACTIVE MATERIAL, AND POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

      
Application Number KR2025014572
Publication Number 2026/071623
Status In Force
Filing Date 2025-09-18
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Suh, Dong Hoon
  • Park, Eun Seok
  • Kim, Dae Sung
  • Kim, Jun Gyu
  • Kim, You Jin

Abstract

The present invention relates to a lithium iron phosphate-based positive electrode active material, and a positive electrode and a lithium secondary battery comprising same. The positive electrode active material includes: a lithium iron phosphate-based compound; and a coating layer formed on the lithium iron phosphate-based compound and containing carbon (C), wherein the value of X according to Equation 1 described in the present specification is 65-300.

IPC Classes  ?

  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
  • H01M 4/02 - Electrodes composed of, or comprising, active material

27.

ELECTRICALLY HEATED REACTOR

      
Application Number KR2025014637
Publication Number 2026/071630
Status In Force
Filing Date 2025-09-19
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Lucia
  • Park, Hongseok
  • Kwon, Hyun Jee
  • Kang, Mooseong
  • Kim, Huiyong
  • Choi, Jaehoon

Abstract

Disclosed is an electrically heated reactor. The electrically heated reactor comprises: a reaction tube in which a passage through which a reactant passes is formed in a longitudinal direction; an internal heating element which is disposed in the reaction tube, is coated or loaded with a catalyst, and generates heat by receiving power; a power source configured to supply power to the internal heating element; and a pair of electrodes connecting the power source to the internal heating element, wherein the internal heating element has a plate shape, and the area of the internal heating element disposed parallel to the flow direction of the reactant may be larger than the remaining area of the internal heating element.

IPC Classes  ?

  • B01J 8/02 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with stationary particles, e.g. in fixed beds
  • B01J 19/00 - Chemical, physical or physico-chemical processes in generalTheir relevant apparatus

28.

CARBON NANOTUBES AND METHOD FOR PREPARING SAME

      
Application Number KR2025014980
Publication Number 2026/071706
Status In Force
Filing Date 2025-09-24
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lee, Dong Myeong
  • Kim, Se Hyun
  • Kim, Sungjin
  • Kim, Yeonyi
  • Kim, Youngjoo
  • Kang, Hyun Joon
  • Kim, Hanna
  • Hwang, Suhyeon

Abstract

The present invention relates to novel carbon nanotubes having excellent dispersibility, a method for preparing the carbon nanotubes, a carbon nanotube dispersion, an electrode structure comprising the carbon nanotubes, and a secondary battery comprising the carbon nanotubes.

IPC Classes  ?

29.

HEAT-ABSORBING PAD

      
Application Number KR2025015095
Publication Number 2026/071739
Status In Force
Filing Date 2025-09-25
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Yang, Young Jo
  • Park, Hyoung Sook
  • Kim, So Yeong
  • Baek, Si Yeon
  • Han, Eun Gu
  • Park, Sang Min
  • Kim, Hyun Suk

Abstract

The present application relates to a heat-absorbing pad. The heat-absorbing pad of the present application has a porous structure and can exhibit excellent heat-absorbing and thermal transfer delay characteristics. The heat-absorbing pad can be effectively used to delay the transfer of heat to adjacent battery cells in the event of thermal runaway in a battery cell.

IPC Classes  ?

  • H01M 10/659 - Means for temperature control structurally associated with the cells by heat storage or buffering, e.g. heat capacity or liquid-solid phase changes or transition
  • H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
  • C09K 5/08 - Materials not undergoing a change of physical state when used
  • A62C 3/16 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
  • C08K 3/30 - Sulfur-, selenium-, or tellurium-containing compounds
  • C08K 3/32 - Phosphorus-containing compounds
  • C08K 3/38 - Boron-containing compounds
  • C08K 5/09 - Carboxylic acidsMetal salts thereofAnhydrides thereof
  • C08L 83/04 - Polysiloxanes
  • C08J 5/18 - Manufacture of films or sheets

30.

CHO CELL-DERIVED S/MAR AND EXPRESSION VECTOR USING SAME

      
Application Number KR2025015147
Publication Number 2026/071760
Status In Force
Filing Date 2025-09-26
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Bang, Junho
  • Park, Kyunghye
  • Min, Byeong Eun
  • Heo, Junghwan

Abstract

The present invention relates to: an expression cassette comprising a scaffold/matrix attachment region (S/MAR); an expression vector for expressing a target protein, comprising the expression cassette; a transformant cell obtained by introducing the expression vector into a host cell; and a method for producing a target protein, comprising the step of culturing the transformant cell.

IPC Classes  ?

  • C12N 15/67 - General methods for enhancing the expression
  • C12N 15/85 - Vectors or expression systems specially adapted for eukaryotic hosts for animal cells

31.

CARBON NANOTUBE DISPERSION AND PREPARATION METHOD THEREFOR

      
Application Number KR2025015159
Publication Number 2026/071764
Status In Force
Filing Date 2025-09-26
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lee, Jumin
  • Baek, Hyeon Hui
  • Kim, Taehyeob
  • Ahn, Jeong Hyuk
  • Yoon, Kiyoul

Abstract

The present invention relates to: a carbon nanotube dispersion comprising carbon nanotubes, a first dispersant containing nitrogen atoms, a second dispersant comprising at least one polymer selected from the group consisting of polyethylene glycol, poly(1,2-propylene glycol), poly(1,3-propylene glycol), polycaprolactone, polytetramethylene glycol, and polystyrene, a third dispersant comprising an alkanolamine-based compound, and a solvent; a preparation method for the carbon nanotube dispersion; and an electrode slurry for a lithium secondary battery, comprising the carbon nanotube dispersion.

IPC Classes  ?

  • C01B 32/174 - DerivatisationSolubilisationDispersion in solvents
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • C09K 23/52 - Natural or synthetic resins or their salts
  • C09K 23/00 - Use of substances as emulsifying, wetting, dispersing, or foam-producing agents
  • H01M 4/02 - Electrodes composed of, or comprising, active material

32.

POLYETHYLENE AND COMPOSITION COMPRISING SAME

      
Application Number KR2025015419
Publication Number 2026/071824
Status In Force
Filing Date 2025-09-30
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Jeongsik
  • Hong, Bog Ki
  • Seo, Jin Seok
  • Kwon, Heon Yong
  • Kim, Daehwan
  • Kim, Joongsoo
  • Lee, Jinseok

Abstract

The present invention provides polyethylene having improved resistance to environmental stress cracking as well as retaining excellent processability and mechanical properties when combined with recycled polyethylene, and a polyethylene composition comprising same.

IPC Classes  ?

  • C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
  • C08F 4/659 - Component covered by group containing a transition metal-carbon bond
  • C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring

33.

SULFIDE-BASED SOLID ELECTROLYTE, METHOD FOR PRODUCING SAME, AND ALL-SOLID-STATE BATTERY COMPRISING SAME

      
Application Number KR2025015457
Publication Number 2026/071832
Status In Force
Filing Date 2025-09-30
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Jeon, Doyeon
  • Chung, Habin
  • Park, Changhun
  • Kim, Ingyu
  • Lee, Dong Geon
  • Kim, Jeongheon

Abstract

The present invention relates to a sulfide-based solid electrolyte, a method for producing same, and an all-solid-state battery comprising same.

IPC Classes  ?

34.

POSITIVE ELECTRODE ACTIVE MATERIAL, AND POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

      
Application Number KR2025015466
Publication Number 2026/071834
Status In Force
Filing Date 2025-09-30
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Jung, Byounghun
  • Ye, Seongji
  • Kim, Sunwoo
  • Ham, Mirim
  • Baek, Seungbong

Abstract

The present specification relates to: a positive electrode active material for a secondary battery, the positive electrode active material including a lithium iron phosphate manganese-based compound, wherein the voltage at SOC 90% of a lithium secondary battery including a positive electrode including the positive electrode active material is 4.11 V or less, and the value of (a) in Equation 1 indicating the slope between SOC 90% and SOC 100% is 0.014 or more; and a positive electrode and a lithium secondary battery which comprise the positive electrode active material.

IPC Classes  ?

  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
  • H01M 4/02 - Electrodes composed of, or comprising, active material

35.

POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PREPARING SAME, AND POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

      
Application Number KR2025015475
Publication Number 2026/071835
Status In Force
Filing Date 2025-09-30
Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Keum, Youngsub
  • Lee, Wonkyun
  • Tak, Jangyeul
  • Choi, Dai Seung
  • Nho, Hyun Woo
  • Song, Jung Eun
  • Jun, Inkook
  • Bu, Hyeri

Abstract

The present specification relates to a positive electrode active material, a method for preparing same, and a positive electrode and a lithium secondary battery comprising same, the positive electrode active material comprising: a lithium iron phosphate-based compound; and a carbon coating layer provided on a part or all of the surface of the lithium iron phosphate-based compound, wherein the content of free carbon is 800 ppm or less relative to the total weight of the positive electrode active material.

IPC Classes  ?

  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
  • H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
  • H01M 10/052 - Li-accumulators
  • C01B 25/37 - Phosphates of heavy metals
  • C01B 25/45 - Phosphates containing plural metal, or metal and ammonium
  • H01M 4/02 - Electrodes composed of, or comprising, active material

36.

POLYESTER RESIN COMPOSITION, METHOD FOR PREPARING SAME, AND MOLDED ARTICLE PRODUCED THEREFROM

      
Application Number KR2024096658
Publication Number 2026/063580
Status In Force
Filing Date 2024-12-11
Publication Date 2026-03-26
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lee, Hyun Seok
  • Son, Sun Mo
  • Yang, Hyunsuk
  • Shin, Kwang Ho

Abstract

The present invention relates to a polyester resin composition, a method for preparing same, and a molded article produced therefrom. The polyester resin composition according to the present invention, by modifying raw materials used for large-area, low-deformation applications, not only exhibits excellent low-deformation characteristics over large areas but also achieves a well-balanced combination of properties, including mechanical properties, flowability, and thermal stability. In addition, fogging is effectively suppressed even under high-temperature conditions, thereby providing a molded article produced therefrom with superior product reliability and appearance quality.

IPC Classes  ?

  • C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
  • C08L 25/12 - Copolymers of styrene with unsaturated nitriles
  • C08K 7/14 - Glass
  • C08J 5/04 - Reinforcing macromolecular compounds with loose or coherent fibrous material

37.

CARBON NANOTUBE STRUCTURE

      
Application Number KR2025014578
Publication Number 2026/063715
Status In Force
Filing Date 2025-09-18
Publication Date 2026-03-26
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Se Un
  • Lee, Yang Hoon
  • Ha, Byeong Uk
  • Kim, Geun Yeong
  • Cha, Ji Hoon
  • Kim, Sae Won

Abstract

The present invention relates to a carbon nanotube structure in which the average compressive strength and the average bulk density satisfy a predetermined correlation relationship.

IPC Classes  ?

38.

CATALYST FOR PRODUCING CARBON NANOTUBES AND CARBON NANOTUBES PRODUCED USING SAME

      
Application Number KR2025014827
Publication Number 2026/063751
Status In Force
Filing Date 2025-09-23
Publication Date 2026-03-26
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Choi, Jungho
  • Kim, Se Hyun
  • Jeon, Heejung
  • Oh, Eugene
  • Kim, Ogsin
  • Hwang, Doo Sung
  • Gim, Minyeong
  • Kim, Dongeun
  • Bae, Keon

Abstract

The present invention relates to a catalyst for manufacturing carbon nanotubes and, particularly, to a catalyst for selectively manufacturing thin-walled carbon nanotubes, carbon nanotubes manufactured using same, a carbon nanotube dispersion, an electrode structure comprising the carbon nanotubes, and a secondary battery comprising the carbon nanotubes.

IPC Classes  ?

  • B01J 23/78 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups with alkali- or alkaline earth metals or beryllium
  • B01J 21/02 - Boron or aluminiumOxides or hydroxides thereof
  • B01J 21/18 - Carbon
  • B01J 37/02 - Impregnation, coating or precipitation
  • B01J 37/08 - Heat treatment
  • B01J 37/12 - Oxidising
  • C01B 32/162 - Preparation characterised by catalysts

39.

METHOD FOR REFINING PYROLYSIS OIL

      
Application Number KR2025009157
Publication Number 2026/059049
Status In Force
Filing Date 2025-06-29
Publication Date 2026-03-19
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Na, Su Jin
  • An, Ji Won
  • Lee, Sang Beom

Abstract

The present invention relates to a method for refining pyrolysis oil, the method comprising the steps of: supplying waste plastic raw materials to a pyrolysis reactor to perform pyrolysis and discharging a gaseous stream generated by the pyrolysis to the top; supplying the stream discharged from the top of the pyrolysis reactor to a distillation column and discharging a pyrolysis oil stream having a reduced content of heavy oil from the distillation column; and supplying the pyrolysis oil stream to an anion exchange resin column to remove impurities contained in the pyrolysis oil stream while bringing the pyrolysis oil stream into contact with an anion exchange resin.

IPC Classes  ?

  • C10G 1/00 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
  • C10G 1/10 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
  • C10G 25/02 - Refining of hydrocarbon oils, in the absence of hydrogen, with solid sorbents with ion-exchange material
  • C10G 7/00 - Distillation of hydrocarbon oils
  • B01D 15/36 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion

40.

ELECTRODE AND BATTERY

      
Application Number KR2025012818
Publication Number 2026/059159
Status In Force
Filing Date 2025-08-22
Publication Date 2026-03-19
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Su Jun
  • Lee, Seongsoo
  • Lee, Kyoungsoo

Abstract

An electrode and a battery of the present invention comprise: an electrode current collector; an electrolyte layer disposed on one surface or both surfaces of the electrode current collector; an electrode active material layer disposed between the electrode current collector and the electrolyte layer; and a support layer disposed between the electrode active material layer and the electrolyte layer and including first inorganic particles and second inorganic particles, wherein the true density of the first inorganic particles may be less than or equal to the true density of the second inorganic particles.

IPC Classes  ?

  • H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulatorsProcesses of manufacture thereof
  • H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
  • H01M 4/66 - Selection of materials
  • H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
  • H01M 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
  • H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy

41.

POSITIVE ELECTRODE ACTIVE MATERIAL, AND POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

      
Application Number KR2025013597
Publication Number 2026/059211
Status In Force
Filing Date 2025-09-03
Publication Date 2026-03-19
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Seong Wook
  • Lim, Chae Jin
  • Lee, Jun Won
  • Lim, Hyun Ju
  • Choi, Jeong Bin
  • Kim, Jeong Hyo

Abstract

5050) of 400 nm to 900 nm, the lithium iron manganese phosphate compound including magnesium (Mg) and a doping element (M), wherein the doping element (M) is one selected from the group consisting of aluminum (Al) and vanadium (V), and the content of magnesium (Mg) in the lithium iron manganese phosphate compound is 500 ppm to 1,500 ppm, with respect to the total weight of the lithium iron manganese phosphate compound.

IPC Classes  ?

  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
  • H01M 10/052 - Li-accumulators
  • C01B 25/37 - Phosphates of heavy metals
  • C01B 25/45 - Phosphates containing plural metal, or metal and ammonium

42.

CONDUCTIVE MATERIAL DISPERSION AND PREPARATION METHOD THEREFOR

      
Application Number KR2025014207
Publication Number 2026/059350
Status In Force
Filing Date 2025-09-12
Publication Date 2026-03-19
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Jang, Youngjin
  • Kim, Eunbum
  • Cho, Seung Wook
  • Yoon, Kiyoul

Abstract

Provided are a conductive material dispersion and a preparation method therefor, the conductive material dispersion comprising: a carbon-based conductive material; a first dispersant comprising a vinyl-based polymer containing an aromatic halogen atom; a second dispersant comprising a cationic compound including a thiazine structure; and a dispersion medium. Through the preparation of the conductive material dispersion comprising the first dispersant and the second dispersant together, the carbon-based conductive material is uniformly and effectively dispersed in the dispersion, so that the conductive material dispersion can exhibit a relatively low viscosity and show a small change in viscosity over time.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulatorsProcesses of manufacture thereof
  • H01M 4/02 - Electrodes composed of, or comprising, active material

43.

RESIN COMPOSITION

      
Application Number KR2025014273
Publication Number 2026/059386
Status In Force
Filing Date 2025-09-12
Publication Date 2026-03-19
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Cho, Suhyun
  • Lee, Yeonju
  • Choe, Dongcheol
  • Kim, Chul Woong
  • Ko, Myung Joo

Abstract

A resin composition of the present invention comprises a biodegradable polymer and a biodegradable nucleating agent and thus is biodegradable, and exhibits a high crystallization rate, which leads to excellent productivity during processing such as injection molding, extrusion molding, and sheet extrusion.

IPC Classes  ?

  • C08L 67/04 - Polyesters derived from hydroxy carboxylic acids, e.g. lactones
  • C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
  • C08L 101/16 - Compositions of unspecified macromolecular compounds the macromolecular compounds being biodegradable

44.

METHOD FOR RECOVERING VALUABLE COMPONENTS FROM WASTE FLUID

      
Application Number KR2025008733
Publication Number 2026/059043
Status In Force
Filing Date 2025-06-23
Publication Date 2026-03-19
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Sung Kyun
  • Lee, Sung Kyu
  • Baek, Gi Su
  • Lee, Min Wook
  • Cho, Seung Sik

Abstract

The present invention relates to a method for recovering valuable components from a waste fluid in treatment of a waste fluid generated during purification of a reaction product in a petrochemical process in which a raw material is reacted in the presence of a catalyst to produce the reaction product. The method comprises the steps of: purifying the reaction product to recover a waste fluid including an unreacted raw material, the catalyst, a material to be removed, and water, and supplying the waste fluid to a valuable component recovery tower; distilling the waste fluid in the valuable component recovery tower to recover an upper discharge stream including the unreacted raw material and the catalyst, and cooling a lower discharge stream including the material to be removed and water; and supplying the cooled lower discharge stream of the valuable component recovery tower to a layer separator to separate the lower discharge stream into a water layer and an organic layer, branching a part of the water layer to reflux same to the top of the valuable component recovery tower, and discharging the rest of the water layer.

IPC Classes  ?

  • C02F 1/58 - Treatment of water, waste water, or sewage by removing specified dissolved compounds
  • C02F 1/04 - Treatment of water, waste water, or sewage by heating by distillation or evaporation
  • B01D 3/32 - Other features of fractionating columns
  • C02F 101/16 - Nitrogen compounds, e.g. ammonia
  • C02F 103/36 - Nature of the water, waste water, sewage or sludge to be treated from the chemical industry not provided for in groups from the manufacture of organic compounds

45.

CATALYST AND METHOD FOR MEASURING OXYGEN VACANCY OF CATALYST

      
Application Number KR2025014079
Publication Number 2026/059308
Status In Force
Filing Date 2025-09-10
Publication Date 2026-03-19
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Song, Cheolock
  • Lee, Jeongkyu
  • Cho, Jun Yeon
  • Byeon, Jiyeon
  • Kim, Suji

Abstract

The present invention relates to a catalyst and a method for measuring oxygen vacancy of the catalyst.

IPC Classes  ?

  • B01J 23/83 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups with rare earths or actinides
  • B01J 23/78 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups with alkali- or alkaline earth metals or beryllium
  • B01J 35/70 - Catalysts, in general, characterised by their form or physical properties characterised by their crystalline properties, e.g. semi-crystalline
  • C01B 3/40 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts characterised by the catalyst
  • B01J 35/30 - Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
  • B01J 37/02 - Impregnation, coating or precipitation
  • G01N 23/2273 - Measuring photoelectron spectra, e.g. electron spectroscopy for chemical analysis [ESCA] or X-ray photoelectron spectroscopy [XPS]

46.

CATALYST AND PREPARATION METHOD THEREFOR

      
Application Number KR2025014083
Publication Number 2026/059311
Status In Force
Filing Date 2025-09-10
Publication Date 2026-03-19
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Sangjun
  • Han, Jun Kyu
  • Choi, Seungwan
  • Lee, Jeongkyu
  • Oh, Sung Joon
  • Kim, Dongeun

Abstract

The present invention relates to a catalyst and a catalyst preparation method.

IPC Classes  ?

  • B01J 35/70 - Catalysts, in general, characterised by their form or physical properties characterised by their crystalline properties, e.g. semi-crystalline
  • B01J 23/83 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups with rare earths or actinides
  • B01J 23/86 - Chromium
  • B01J 35/30 - Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
  • C01B 3/40 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts characterised by the catalyst

47.

CATHODE ACTIVE MATERIAL, AND CATHODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

      
Application Number KR2025013388
Publication Number 2026/054446
Status In Force
Filing Date 2025-09-01
Publication Date 2026-03-12
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Bu, Hye Ri
  • Lee, Won Kyun
  • Lee, Paeng Ro
  • Keum, Young Sub
  • Nam, Ki Cheon
  • Oh, Kwon Woo
  • Jo, Seung Ju
  • Kim, Hyeon Woo

Abstract

122) according to formula 2 described in the present specification is 0.0064-0.0107.

IPC Classes  ?

  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
  • H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
  • H01M 10/052 - Li-accumulators
  • H01M 4/02 - Electrodes composed of, or comprising, active material

48.

SULFIDE-BASED SOLID ELECTROLYTE, MANUFACTURING METHOD THEREFOR, AND ALL-SOLID-STATE BATTERY COMPRISING SAME

      
Application Number KR2025013652
Publication Number 2026/054524
Status In Force
Filing Date 2025-09-04
Publication Date 2026-03-12
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lee, Dong Geon
  • Chung, Habin
  • Park, Changhun
  • Jeon, Doyeon
  • Kim, Jeongheon

Abstract

The present invention relates to a sulfide-based solid electrolyte represented by chemical formula 1, a manufacturing method therefor, and an all-solid-state battery comprising same. [Chemical formula 1] Li7-b-c-(a×d)MaPS6-b-cClbBrc In chemical formula 1, M is at least one selected from metals satisfying expression 1, a satisfies 0.01≤a≤0.5, b satisfies 0.2≤b≤1.5, c satisfies 0.2≤c≤1.5, d denotes d in an M cation (Md+) with valence d+, b and c satisfy 0.4≤b+c≤1.5, and a, b, c, and d satisfy 5<7-b-c-(a×d)<5.6. [Expression 1] 0.2<(rM/d)/(rLi)<0.7 In expression 1, rM indicates a hexacoordinate ionic radius (Shannon radius) of the cation Md+ with valence d+, d denotes d in an M cation (Md+) with valence d+, and rLi indicates a hexacoordinate ionic radius of Li+.

IPC Classes  ?

  • H01M 10/0562 - Solid materials
  • C01B 25/14 - Sulfur, selenium, or tellurium compounds of phosphorus
  • H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
  • H01M 10/052 - Li-accumulators

49.

METHOD OF OPERATING REACTIVE MONOMER STORAGE TANK

      
Application Number KR2025008275
Publication Number 2026/054254
Status In Force
Filing Date 2025-06-16
Publication Date 2026-03-12
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Choo, Yeon Uk
  • Lee, Sung Kyu
  • Ahn, Hyun Soo

Abstract

The present invention relates to a method for operating a reactive monomer storage tank in which a reactive monomer is stored, the method comprising the steps of: supplying a lower discharge stream of the storage tank including a liquid reactive monomer and a polymerization inhibitor to a first heat exchanger to cool the lower discharge stream, and then refluxing the lower discharge stream to a liquid region of the storage tank; and supplying an upper discharge stream of the storage tank including a gaseous reactive monomer to a second heat exchanger through a pressurizing device to cool the upper discharge stream, and then refluxing the upper discharge stream to a gaseous region of the storage tank.

IPC Classes  ?

50.

METHOD FOR PREPARING ISOPROPYL ALCOHOL

      
Application Number KR2025011228
Publication Number 2026/054328
Status In Force
Filing Date 2025-07-29
Publication Date 2026-03-12
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Oh, Jai June
  • Kim, Hyun Ju
  • Lee, Sung Kyu
  • Ryu, Jin Sook
  • Hwang, Sung June
  • Jang, Kyung Soo

Abstract

The present invention relates to a method for preparing isopropyl alcohol, comprising the steps of: supplying a propylene monomer and reaction water as a feed stream to a reactor to produce a gas-phase reaction product comprising isopropyl alcohol; purifying isopropyl alcohol from the gas-phase reaction product and recovering process water; and passing the process water through an arsenic removal device comprising a first filtration layer, an adsorbent layer, and a second filtration layer.

IPC Classes  ?

  • C07C 29/76 - SeparationPurificationStabilisationUse of additives by physical treatment
  • C07C 29/04 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by addition of hydroxy groups to unsaturated carbon-to-carbon bonds, e.g. with the aid of H2O2 by hydration of carbon-to-carbon double bonds
  • C07C 31/10 - Monohydroxylic acyclic alcohols containing three carbon atoms

51.

METHOD FOR PREPARING ISOPROPYL ALCOHOL

      
Application Number KR2025011231
Publication Number 2026/054329
Status In Force
Filing Date 2025-07-29
Publication Date 2026-03-12
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Oh, Jai June
  • Kim, Hyun Ju
  • Lee, Sung Kyu
  • Ryu, Jin Sook
  • Hwang, Sung June
  • Jang, Kyung Soo

Abstract

The present invention relates to a method for preparing isopropyl alcohol, comprising the steps of: supplying a propylene monomer and reaction water as a feed stream to a reactor to produce a gas-phase reaction product comprising isopropyl alcohol; purifying isopropyl alcohol from the gas-phase reaction product and recovering process water; and passing the purified isopropyl alcohol through an arsenic removal device comprising a first filtration layer, an adsorbent layer, and a second filtration layer.

IPC Classes  ?

  • C07C 29/76 - SeparationPurificationStabilisationUse of additives by physical treatment
  • C07C 29/04 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by addition of hydroxy groups to unsaturated carbon-to-carbon bonds, e.g. with the aid of H2O2 by hydration of carbon-to-carbon double bonds
  • C07C 31/10 - Monohydroxylic acyclic alcohols containing three carbon atoms

52.

CATHODE ACTIVE MATERIAL, AND CATHODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

      
Application Number KR2025013370
Publication Number 2026/054440
Status In Force
Filing Date 2025-09-01
Publication Date 2026-03-12
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Bu, Hye Ri
  • Lee, Won Kyun
  • Nam, Ki Cheon
  • Oh, Kwon Woo
  • Jo, Seung Ju
  • Kim, Hyeon Woo

Abstract

122 according to equation 2 described in the present specification is 0.0030-0.0065.

IPC Classes  ?

  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
  • H01M 10/052 - Li-accumulators
  • H01M 4/02 - Electrodes composed of, or comprising, active material

53.

ENZYME SOLUTION AND METHOD FOR EVALUATING BIODEGRADABILITY OF BIODEGRADABLE RESIN USING SAME

      
Application Number KR2025013565
Publication Number 2026/054507
Status In Force
Filing Date 2025-09-03
Publication Date 2026-03-12
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Jeong, Hee Jeong
  • Kim, Dohyung
  • Lee, Jeongbin
  • Bak, Gwangbae
  • Park, Jeseob
  • Shin, Minhwa
  • Lim, Young Hee
  • Kim, Hyunjung
  • Baek, Song Yi
  • Jang, Se Young
  • Jeong, Byeong Joon

Abstract

The present invention relates to: an enzyme solution which has the ability to decompose a biodegradable resin and can be useful for evaluating the biodegradability of the biodegradable resin; and a method for evaluating the biodegradability of the biodegradable resin using the enzyme solution.

IPC Classes  ?

  • G01N 33/44 - ResinsPlasticsRubberLeather
  • C12Q 1/02 - Measuring or testing processes involving enzymes, nucleic acids or microorganismsCompositions thereforProcesses of preparing such compositions involving viable microorganisms
  • C12Q 1/34 - Measuring or testing processes involving enzymes, nucleic acids or microorganismsCompositions thereforProcesses of preparing such compositions involving hydrolase

54.

ELECTRODE FOR WATER ELECTROLYSIS AND METHOD FOR MANUFACTURING SAME

      
Application Number KR2025013716
Publication Number 2026/054554
Status In Force
Filing Date 2025-09-04
Publication Date 2026-03-12
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kwon, Yong Keun
  • Lee, Dong Chul
  • Moon, Sik Won
  • Kim, Myung Hun
  • Kim, Hyeon Jin
  • Kim, Min Seok
  • Choi, Gyu Jik
  • Choi, Jun Hong

Abstract

The present invention relates to an electrode for water electrolysis and a method for manufacturing same, the electrode comprising a metal substrate and a catalyst layer formed on at least one surface of the metal substrate, wherein the catalyst layer includes CoxFeyO4 (0≤x≤4, 0≤y≤3) and satisfies formula 1.

IPC Classes  ?

  • C25B 11/052 - Electrodes comprising one or more electrocatalytic coatings on a substrate
  • C25B 11/077 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of a single catalytic element or catalytic compound the compound being a non-noble metal oxide
  • C25B 11/061 - Metal or alloy
  • C25B 11/091 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of at least one catalytic element and at least one catalytic compoundElectrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of two or more catalytic elements or catalytic compounds
  • C25B 1/04 - Hydrogen or oxygen by electrolysis of water

55.

NOVEL COMPOUND AND METHOD FOR PREPARING SAME

      
Application Number KR2025010700
Publication Number 2026/049303
Status In Force
Filing Date 2025-07-21
Publication Date 2026-03-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lee, Ju Yeol
  • Park, Do Young
  • Kim, Seok Hwan
  • Oh, Kyoung Hwan
  • Choi, Min Ki
  • Lee, Tae Hee

Abstract

The present invention provides a novel compound and a method for preparing same, the compound being a modifying agent useful for modifying rubber, particularly polymers containing repeating units derived from conjugated diene monomers.

IPC Classes  ?

  • C07F 7/18 - Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
  • C08C 19/25 - Incorporating silicon atoms into the molecule

56.

INTEGRATED PURIFICATION DEVICE FOR CRYSTALLIZATION AND SOLID-LIQUID SEPARATION

      
Application Number KR2025012889
Publication Number 2026/049440
Status In Force
Filing Date 2025-08-25
Publication Date 2026-03-05
Owner
  • LG CHEM, LTD. (Republic of Korea)
  • KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION (Republic of Korea)
Inventor
  • Yoo, Sung Jin
  • Kim, Tae Hyun
  • Kang, Jeong Won
  • Lee, Sung Kyu
  • Jang, Kyung Soo

Abstract

The present invention relates to an integrated purification device and a purification method using the purification device, the integrated purification device comprising: a crystallizer including an upper crystallizer region in which a compound solution is provided to form crystals and a lower crystallizer region which is positioned under the upper crystallizer region and stores and discharges slurry including crystals formed in the upper crystallizer region; and a solid-liquid separator including a cylindrical main body having a slurry inlet provided on one side to receive the slurry from the crystallizer and an outlet provided on the other side to discharge pulverized crystals obtained by separation from the slurry and then compressing and washing, wherein the cylindrical main body is divided into a first region, a second region, and a third region, in sequence from one side of the cylindrical main body.

IPC Classes  ?

  • B01D 9/00 - Crystallisation
  • B01D 17/00 - Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
  • B01D 17/04 - Breaking emulsions
  • B01D 17/02 - Separation of non-miscible liquids
  • C07C 51/43 - SeparationPurificationStabilisationUse of additives by change of the physical state, e.g. crystallisation
  • C07C 51/47 - SeparationPurificationStabilisationUse of additives by solid-liquid treatmentSeparationPurificationStabilisationUse of additives by chemisorption
  • C07C 57/04 - Acrylic acidMethacrylic acid
  • C07B 63/00 - PurificationSeparation specially adapted for the purpose of recovering organic compoundsStabilisationUse of additives

57.

POLYMER COMPOSITION, POLYMER SLURRY, BATTERY SEPARATOR AND BATTERY

      
Application Number KR2025013103
Publication Number 2026/049508
Status In Force
Filing Date 2025-08-27
Publication Date 2026-03-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Park, Beomsu
  • Kim, Sejong
  • Kim, Hyun Cheol
  • Shin, Young Jun
  • Jung, Jihye
  • Kim, Jinwoo
  • Yang, Hyung Il

Abstract

The present invention relates to a polymer composition, a polymer slurry, a battery separator and a battery, and may comprise a polymer component comprising: a first polymerization unit derived from an N-unsubstituted (meth) acrylamide group-containing monomer; a second polymerization unit derived from an N-2 substituted (meth) acrylamide group-containing monomer; a third polymerization unit derived from a lactam group-containing monomer having 6 or more ring atoms; and a fourth polymerization unit derived from a photoreactive functional group-containing monomer.

IPC Classes  ?

  • C08F 220/56 - AcrylamideMethacrylamide
  • C08F 220/54 - Amides
  • C08F 226/06 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
  • C08F 220/30 - Esters containing oxygen in addition to the carboxy oxygen containing aromatic rings in the alcohol moiety
  • H01M 50/42 - Acrylic resins
  • H01M 50/431 - Inorganic material
  • H01M 50/449 - Separators, membranes or diaphragms characterised by the material having a layered structure
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

58.

POSITIVE ELECTRODE ACTIVE MATERIAL, AND POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

      
Application Number KR2025013215
Publication Number 2026/049534
Status In Force
Filing Date 2025-08-28
Publication Date 2026-03-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lim, Hyunju
  • Lim, Chae Jin
  • Lee, Junwon
  • Kim, Seongwook
  • Choi, Jeongbin
  • Jo, Seungju
  • Kim, Jeonghyo
  • Choi, Jangmin
  • Hong, Jeongwon

Abstract

The present invention relates to a positive electrode active material, and a positive electrode and a lithium secondary battery comprising same, wherein the positive electrode active material comprises a lithium iron manganese phosphate-based compound, a value calculated by Equation 1 below is 60 or less, and a value calculated by Equation 2 below is 13-22. [Equation 1] |LB-6|*103 [Equation 2] |LD-3|*103 In Equations 1 and 2, LB is the b-axis length (unit: Å) of the crystal structure of the lithium iron manganese phosphate-based compound, and LD is the (020) interplanar spacing (d-spacing, unit: Å) of the crystal structure of the lithium iron manganese phosphate-based compound.

IPC Classes  ?

  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
  • H01M 10/052 - Li-accumulators
  • H01M 4/02 - Electrodes composed of, or comprising, active material

59.

CATHODE ACTIVE MATERIAL, AND CATHODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

      
Application Number KR2025013216
Publication Number 2026/049535
Status In Force
Filing Date 2025-08-28
Publication Date 2026-03-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lim, Hyunju
  • Lim, Chae Jin
  • Lee, Junwon
  • Kim, Seongwook
  • Choi, Jeongbin
  • Jo, Seungju
  • Kim, Jeonghyo
  • Choi, Jangmin
  • Hong, Jeongwon

Abstract

The present specification relates to a cathode active material, and a cathode and a lithium secondary battery comprising same, the cathode active material comprising a lithium manganese iron phosphate-based compound, wherein the value calculated in mathematical formula 1 is 60 or less, and the average grain size of the lithium manganese iron phosphate-based compound is 135 nm or less.

IPC Classes  ?

  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 10/052 - Li-accumulators
  • H01M 4/02 - Electrodes composed of, or comprising, active material

60.

CARBON NANOTUBE AND METHOD FOR MANUFACTURING SAME

      
Application Number KR2025013240
Publication Number 2026/049546
Status In Force
Filing Date 2025-08-29
Publication Date 2026-03-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Youngjoo
  • Kim, Se Hyun
  • Kim, Sungjin
  • Kim, Yeonyi
  • Kang, Hyun Joon
  • Kim, Hanna
  • Lee, Dong Myeong
  • Hwang, Suhyeon

Abstract

The present invention relates to a novel carbon nanotube having excellent electrical conductivity while exhibiting excellent storage and transportation efficiency, a method for manufacturing the carbon nanotube, a carbon nanotube dispersion, an electrode structure comprising the carbon nanotube, and a secondary battery comprising the carbon nanotube.

IPC Classes  ?

61.

METHOD FOR MEASURING MICROORGANISMS BY USING FLUORESCENCE

      
Application Number KR2025013266
Publication Number 2026/049551
Status In Force
Filing Date 2025-08-29
Publication Date 2026-03-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Hyunjung
  • Lee, Gyujin
  • Lee, Hwan
  • Lim, Young Hee
  • Jung, Byoungmun
  • Lee, Hyeonji

Abstract

Provided is a method for measuring microorganisms by using fluorescence, which is a method for measuring microorganisms in a sample containing rubber, evaluates the number of microorganisms in the sample through staining of the microorganisms with a fluorescent dye, and can exhibit excellent accuracy while improving the speed of measurement. By applying such a microorganism measurement method, the population of microorganisms contained in a sample can be counted in almost real-time, and thus microbial treatment such as the addition of preservatives can be performed not excessively, and therefore the method is economical and eco-friendly and can also improve the quality of final products.

IPC Classes  ?

  • C12Q 1/06 - Quantitative determination
  • C12Q 1/02 - Measuring or testing processes involving enzymes, nucleic acids or microorganismsCompositions thereforProcesses of preparing such compositions involving viable microorganisms
  • G01N 33/569 - ImmunoassayBiospecific binding assayMaterials therefor for microorganisms, e.g. protozoa, bacteria, viruses
  • G01N 33/52 - Use of compounds or compositions for colorimetric, spectrophotometric or fluorometric investigation, e.g. use of reagent paper
  • G01N 33/533 - Production of labelled immunochemicals with fluorescent label

62.

POSITIVE ELECTRODE ACTIVE MATERIAL, AND POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

      
Application Number KR2025095527
Publication Number 2026/049600
Status In Force
Filing Date 2025-08-26
Publication Date 2026-03-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Choi, Song A
  • Kim, Jong Pil
  • Jung, Won Sig
  • Park, Cheol Woong
  • Jeong, Min Sik
  • Kim, Do Young
  • Bae, Yeo Ji
  • Park, Ye Ruem
  • Yu, Seong Jun
  • Lee, Bo Eun

Abstract

The present invention relates to a positive electrode active material capable of implementing a battery with improved initial capacity characteristics and lifespan characteristics, and a positive electrode and a lithium secondary battery comprising same, wherein the positive electrode active material comprises a lithium nickel-based oxide and has an average KAM value (total sum of KAM values of all pixels]/[total number of pixels]) of 0° (exclusive) to 1.0° (inclusive), obtained from a kernel average misorientation map (KAM Map) derived from electron backscatter diffraction (EBSD) analysis.

IPC Classes  ?

  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 10/052 - Li-accumulators
  • H01M 4/02 - Electrodes composed of, or comprising, active material

63.

COMPOSITION FOR PROMOTING GLASS SUBSTRATE METALLIZATION, MANUFACTURING METHOD THEREFOR, PROCESS OF PROMOTING GLASS SUBSTRATE METALLIZATION, AND METALLIZED GLASS SUBSTRATE

      
Application Number KR2025001433
Publication Number 2026/049180
Status In Force
Filing Date 2025-01-24
Publication Date 2026-03-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Jung, Dae Chul
  • Kwon, Oh Tak
  • Ryu, Sanguk
  • Choi, A Nam
  • Yoo, Sangmoon

Abstract

A composition for promoting glass substrate metallization, according to an embodiment of the present application, comprises a silane coupling agent and a Pd binder, wherein the Pd binder is a metal ion-containing compound comprising a functional group capable of binding to the silane coupling agent. A metal layer may be uniformly formed on a glass substrate having a high aspect ratio via only a wet process.

IPC Classes  ?

  • C03C 17/30 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with organic material with silicon-containing compounds
  • C03C 23/00 - Other surface treatment of glass not in the form of fibres or filaments
  • C07F 7/08 - Compounds having one or more C—Si linkages
  • C03C 17/36 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
  • C03C 17/00 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating
  • H05K 3/38 - Improvement of the adhesion between the insulating substrate and the metal
  • H05K 1/03 - Use of materials for the substrate

64.

GLASS SUBSTRATE METALLIZATION PROCESS, GLASS SUBSTRATE MANUFACTURING PROCESS COMPRISING SAME, AND METALLIZED GLASS SUBSTRATE

      
Application Number KR2025001436
Publication Number 2026/049181
Status In Force
Filing Date 2025-01-24
Publication Date 2026-03-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Choi, A Nam
  • Kwon, Oh Tak
  • Ryu, Sanguk
  • Jung, Dae Chul
  • Yoo, Sangmoon

Abstract

A glass substrate metallization process according to one embodiment of the present application can uniformly form a metal layer on a high-aspect-ratio glass substrate only through a wet process by performing a glass substrate metallization promotion process using a specific composition.

IPC Classes  ?

  • H05K 3/38 - Improvement of the adhesion between the insulating substrate and the metal
  • H05K 3/42 - Plated through-holes
  • H05K 3/00 - Apparatus or processes for manufacturing printed circuits
  • H05K 1/03 - Use of materials for the substrate
  • C03C 17/36 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
  • C03C 17/00 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating
  • C03C 15/00 - Surface treatment of glass, not in the form of fibres or filaments, by etching

65.

BIOFILLER FOR RESIN REINFORCEMENT AND RESIN COMPOSITION COMPRISING SAME

      
Application Number KR2025007239
Publication Number 2026/049215
Status In Force
Filing Date 2025-05-28
Publication Date 2026-03-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Han, Jung Jin
  • Oh, Hyun Taek
  • Kang, Jun Han
  • Kim, Ho Hoon
  • Yeo, Yong Ho
  • Kim, Yong Jin

Abstract

The present invention provides: a resin reinforcing material comprising a vegetable-derived biofiller and a latex coating layer formed on the surface of the biofiller, wherein the latex coating layer includes a carboxyl group-containing conjugated diene-based rubber; a method for producing same; a resin composition comprising same; and a composite produced from the resin composition.

IPC Classes  ?

  • C08J 3/12 - Powdering or granulating
  • C08K 7/08 - Oxygen-containing compounds
  • C08K 11/00 - Use of ingredients of unknown constitution, e.g. undefined reaction products
  • C08L 13/02 - Latex
  • C08L 97/02 - Lignocellulosic material, e.g. wood, straw or bagasse
  • C08L 99/00 - Compositions of natural macromolecular compounds or of derivatives thereof not provided for in groups or
  • C08L 101/00 - Compositions of unspecified macromolecular compounds
  • B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired formApparatus therefor
  • B29K 105/16 - Fillers

66.

MODIFIED CONJUGATED DIENE-BASED POLYMER, METHOD FOR PREPARING SAME, AND RUBBER COMPOSITION COMPRISING SAME

      
Application Number KR2025010702
Publication Number 2026/049304
Status In Force
Filing Date 2025-07-21
Publication Date 2026-03-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Oh, Kyoung Hwan
  • Yoon, Hyung Woon
  • Lee, He Seung
  • Kim, Sun Keun
  • Lee, Ju Yeol

Abstract

The present invention relates to a highly branched and high-molecular-weight modified conjugated diene-based polymer, a method for preparing same, and a rubber composition comprising same, and provides: a modified conjugated diene-based polymer comprising a conjugated diene-based monomer-derived unit and a modified part derived from a compound represented by chemical formula 1; a method for preparing same; and a rubber composition comprising same.

IPC Classes  ?

  • C08C 19/25 - Incorporating silicon atoms into the molecule
  • C08C 19/22 - Incorporating nitrogen atoms into the molecule
  • C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers
  • C08L 15/00 - Compositions of rubber derivatives
  • C08K 3/013 - Fillers, pigments or reinforcing additives
  • C07F 7/18 - Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
  • B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition

67.

METHOD FOR PREPARING OXO-ALCOHOL BY USING PARTIAL OXIDATION REACTION PRODUCTS

      
Application Number KR2025012645
Publication Number 2026/049401
Status In Force
Filing Date 2025-08-20
Publication Date 2026-03-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Mi Kyung
  • Jung, Dabin
  • An, Soochan
  • Kim, Hyoyng Jae
  • Ki, Sik

Abstract

The present invention provides a method for preparing an oxo-alcohol by using partial oxidation reaction products.

IPC Classes  ?

  • C07C 29/16 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by oxo-reaction combined with reduction
  • C01B 3/38 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts

68.

POLYMER COMPOSITION, POLYMER SLURRY, SEPARATOR FOR BATTERY, AND BATTERY

      
Application Number KR2025013100
Publication Number 2026/049506
Status In Force
Filing Date 2025-08-27
Publication Date 2026-03-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Park, Beomsu
  • Kim, Sejong
  • Kim, Hyun Cheol
  • Shin, Young Jun
  • Jung, Jihye
  • Kim, Jinwoo
  • Yang, Hyung Il

Abstract

The present invention relates to a polymer composition, a polymer slurry, a separator for a battery, and a battery. The polymer composition contains a polymer component comprising: a first polymerization unit derived from an N-unsubstituted (meth)acrylamide group-containing monomer; a second polymerization unit derived from an N-monosubstituted (meth)acrylamide group-containing monomer; and a third polymerization unit derived from an N-disubstituted (meth)acrylamide group-containing monomer, wherein the content of the first polymerization unit in the polymer component can be adjusted.

IPC Classes  ?

  • C08F 220/56 - AcrylamideMethacrylamide
  • C08F 220/54 - Amides
  • C08F 220/58 - Amides containing oxygen in addition to the carbonamido oxygen
  • H01M 50/42 - Acrylic resins
  • H01M 50/431 - Inorganic material
  • H01M 50/449 - Separators, membranes or diaphragms characterised by the material having a layered structure
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

69.

POLYMER COMPOSITION, POLYMER SLURRY, SEPARATOR FOR BATTERY, AND BATTERY

      
Application Number KR2025013102
Publication Number 2026/049507
Status In Force
Filing Date 2025-08-27
Publication Date 2026-03-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Park, Beomsu
  • Kim, Sejong
  • Kim, Hyun Cheol
  • Shin, Young Jun
  • Jung, Jihye
  • Kim, Jinwoo
  • Yang, Hyung Il

Abstract

The present invention relates to a polymer composition, a polymer slurry, a separator for a battery, and a battery, wherein the polymer composition may comprise a polymer component comprising: a first polymerization unit derived from an N-unsubstituted (meth)acrylamide group-containing monomer; a second polymerization unit derived from an N-2 substituted (meth)acrylamide group-containing monomer; and a third polymerization unit derived from a lactam group-containing monomer having 6 or more ring atoms.

IPC Classes  ?

  • C08F 220/56 - AcrylamideMethacrylamide
  • C08F 220/54 - Amides
  • C08F 226/06 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
  • H01M 50/42 - Acrylic resins
  • H01M 50/431 - Inorganic material
  • H01M 50/449 - Separators, membranes or diaphragms characterised by the material having a layered structure
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

70.

CATHODE ACTIVE MATERIAL, AND CATHODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

      
Application Number KR2025013214
Publication Number 2026/049533
Status In Force
Filing Date 2025-08-28
Publication Date 2026-03-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lim, Hyunju
  • Lim, Chae Jin
  • Lee, Junwon
  • Kim, Seongwook
  • Choi, Jeongbin
  • Jo, Seungju
  • Kim, Jeonghyo
  • Choi, Jangmin
  • Hong, Jeongwon

Abstract

The present invention relates to a cathode active material, and a cathode and a lithium secondary battery that include same, the cathode active material comprising a lithium manganese iron phosphate-based compound and having a value of 5 or less as calculated by mathematical expression 1. When the cathode active material is applied to the lithium secondary battery, charge/discharge rate characteristics are excellent. [Mathematical expression 1] │0.5∗LB-LD│∗103 In mathematical expression 1, LB is a b-axis length (unit: Å) of a crystal structure of the lithium manganese iron phosphate-based compound, and LD is a (020) d-spacing (unit: Å) between crystal structures of the lithium manganese iron phosphate-based compound.

IPC Classes  ?

  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
  • H01M 10/052 - Li-accumulators
  • H01M 4/02 - Electrodes composed of, or comprising, active material

71.

ETHYLENE/ALPHA-OLEFIN COPOLYMER, METHOD FOR PREPARING SAME, AND ADHESIVE COMPOSITION COMPRISING SAME

      
Application Number KR2024019760
Publication Number 2026/042971
Status In Force
Filing Date 2024-12-04
Publication Date 2026-02-26
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Jun, Jung Ho
  • Lee, Eun Jung
  • Lee, Si Jung
  • Lee, Hye Ji
  • Park, Su Hyeon

Abstract

The present invention relates to an ethylene/alpha-olefin copolymer exhibiting excellent thermal stability and adhesive properties, and an adhesive composition comprising same.

IPC Classes  ?

72.

POLYLACTIDE RESIN COMPOSITION AND METHOD FOR PREPARING SAME

      
Application Number KR2025010239
Publication Number 2026/043106
Status In Force
Filing Date 2025-07-14
Publication Date 2026-02-26
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lee, Jongheon
  • Cho, Jeong Hun
  • Oh, Wan Kyu

Abstract

The present invention relates to a polylactide resin composition with reduced neck-in and improved flowability, and a method for preparing same.

IPC Classes  ?

  • C08L 67/04 - Polyesters derived from hydroxy carboxylic acids, e.g. lactones
  • C08G 63/91 - Polymers modified by chemical after-treatment

73.

METHOD FOR MANUFACTURING POSITIVE ELECTRODE SLURRY AND METHOD FOR MANUFACTURING POSITIVE ELECTRODE USING POSITIVE ELECTRODE SLURRY

      
Application Number KR2025011928
Publication Number 2026/043175
Status In Force
Filing Date 2025-08-07
Publication Date 2026-02-26
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Jung, Byoung Hun
  • Kim, Sun Woo
  • Ham, Mi Rim
  • Baek, Seung Bong
  • Jung, Hee Won

Abstract

The present invention relates to a method for manufacturing a positive electrode slurry and a method for manufacturing a positive electrode using a positive electrode slurry, the former method comprising the steps of: (A) preparing a primary mixture by mixing a conductive material, a binder, and a solvent; and (B) adding a positive electrode active material and a solvent to the primary mixture in four or more divided portions, wherein the divided addition is performed to satisfy formulas 1 to 3 shown in the present specification.

IPC Classes  ?

  • H01M 4/1397 - Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
  • H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/04 - Processes of manufacture in general
  • H01M 4/02 - Electrodes composed of, or comprising, active material

74.

CATHODE ACTIVE MATERIAL, PREPARATION METHOD THEREFOR, AND CATHODE COMPRISING SAME

      
Application Number KR2025012011
Publication Number 2026/043181
Status In Force
Filing Date 2025-08-08
Publication Date 2026-02-26
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Yoon, Juhan
  • Kim, Jun Gil
  • Yang, Hyejeong
  • Kim, Wontae
  • Kim, Dongki
  • Lim, Young Geun
  • Han, Sehui
  • Park, Changyoung
  • Lee, Jaewan
  • Yang, Hongjun

Abstract

A cathode active material comprising a lithium transition metal oxide, and a preparation method therefor are provided. The lithium transition metal oxide contains Mn and Ni and additionally contains Zr and W as doping elements, the weight of W doped in the lithium transition metal oxide is greater than the weight of Zr, and the lithium transition metal oxide has a value of I(003)/I(104), of 1.8-2. The cathode active material comprising the lithium transition metal oxide is prepared such that both capacity characteristics and structural stability are improved, and even with respect to manganese-rich cathode active material, initial efficiency and stability can be ensured and, simultaneously, battery characteristics can be improved.

IPC Classes  ?

  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
  • C01G 53/50 - Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2 containing manganese of the type (MnO2)n-, e.g. Li(NixMn1-x)O2 or Li(MyNixMn1-x-y)O2
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/02 - Electrodes composed of, or comprising, active material

75.

RESIN COMPOSITION

      
Application Number KR2025012210
Publication Number 2026/043194
Status In Force
Filing Date 2025-08-12
Publication Date 2026-02-26
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Tae Hee
  • Park, Bo Ra
  • Cho, Sol
  • Kwak, Jong Heon
  • Shin, Eun Ji
  • Im, Seul Ki
  • Lee, Hyun Mo
  • Kim, Yun Kon
  • Min, Se Hye
  • Lim, Hyun Suk
  • Kim, Sung Whan

Abstract

The present invention relates to: a polyolefin-based resin composition having improved impact resistance at both room temperature and low temperature; and a method for preparing same. The polyolefin-based resin composition comprises a matrix region and a plurality of domain regions dispersed in the matrix region, wherein the matrix region is composed of a polyolefin-based resin, the domain regions are composed of a block copolymer including an aromatic vinyl-based polymer block and an olefin-based polymer block, the polyolefin-based resin composition contains 50-87 wt% of the polyolefin-based resin and 13-50 wt% of the block copolymer, the size of the domain regions is 0.05-0.18 µm, and the distance between the plurality of domain regions is 1.5-2.3 µm.

IPC Classes  ?

  • C08L 53/00 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers

76.

COMPOSITE ELECTROLYTE AND BATTERY

      
Application Number KR2025012827
Publication Number 2026/043332
Status In Force
Filing Date 2025-08-22
Publication Date 2026-02-26
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Su Jun
  • Lee, Seongsoo
  • Choi, Kwangwook
  • Lee, Kyoungsoo

Abstract

The present invention relates to a composite electrolyte and a battery, the composite electrolyte comprising a substrate layer; and an active layer disposed on one surface or both surfaces of the substrate layer and including first inorganic particles and second inorganic particles, wherein the true density of the first inorganic particles may be equal to or less than that of the second inorganic particles.

IPC Classes  ?

  • H01M 10/0567 - Liquid materials characterised by the additives
  • H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
  • H01M 50/451 - Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
  • H01M 50/417 - Polyolefins
  • H01M 50/46 - Separators, membranes or diaphragms characterised by their combination with electrodes
  • H01M 50/491 - Porosity
  • H01M 10/0569 - Liquid materials characterised by the solvents
  • H01M 10/0568 - Liquid materials characterised by the solutes
  • H01M 10/052 - Li-accumulators

77.

POSITIVE ELECTRODE ACTIVE MATERIAL, AND POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

      
Application Number KR2025012928
Publication Number 2026/043343
Status In Force
Filing Date 2025-08-25
Publication Date 2026-02-26
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Gu, Ye Hyeon
  • Kim, Kyung Gu
  • Kim, Sol Jin
  • Choe, Gwang Seok
  • Kim, Kyung Han
  • Seong, Jun Mo
  • Choi, Yun Jeong
  • Jeong, Myung Gi
  • Kim, Jeong Won

Abstract

505050505050) is 5-8 μm, thereby exhibiting excellent capacity characteristics and lifespan characteristics.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 10/052 - Li-accumulators
  • H01M 4/02 - Electrodes composed of, or comprising, active material

78.

ETHYLENE/ALPHA-OLEFIN COPOLYMER, METHOD FOR PREPARING SAME, AND ADHESIVE COMPOSITION COMPRISING SAME

      
Application Number KR2024019757
Publication Number 2026/042970
Status In Force
Filing Date 2024-12-04
Publication Date 2026-02-26
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Jun, Jung Ho
  • Lee, Hye Ji
  • Lee, Eun Jung
  • Lee, Si Jung
  • Park, Su Hyeon

Abstract

The present invention relates to an ethylene/alpha-olefin copolymer exhibiting excellent thermal stability and adhesive properties, and an adhesive composition comprising same.

IPC Classes  ?

79.

POLYLACTIDE RESIN COMPOSITION

      
Application Number KR2025010237
Publication Number 2026/043105
Status In Force
Filing Date 2025-07-14
Publication Date 2026-02-26
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Cho, Jeong Hun
  • Lee, Jongheon
  • Oh, Wan Kyu
  • Jeong, Hee Jeong

Abstract

The present invention relates to a polylactide resin composition which not only has physical properties suitable for the manufacture of a film but also exhibits an accelerated biodegradation rate at a low temperature.

IPC Classes  ?

  • C08L 67/04 - Polyesters derived from hydroxy carboxylic acids, e.g. lactones
  • C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
  • C08G 63/91 - Polymers modified by chemical after-treatment

80.

LITHIUM HYDROXIDE PREPARATION METHOD

      
Application Number KR2025012082
Publication Number 2026/043184
Status In Force
Filing Date 2025-08-11
Publication Date 2026-02-26
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Seo, Kwang Seok
  • Kim, Hyeon Hui
  • Chung, Ui Seok
  • Choi, Hee Jung

Abstract

The present invention relates to a lithium hydroxide preparation method. The lithium hydroxide preparation method, according to the present invention, comprises inducing, during heat treatment of lithium carbonate, conversion of a portion thereof into lithium hydroxide at a low temperature of approximately 1,200°C, and thus provides high energy efficiency during the process. In addition, since the preparation method comprises dissolving, in water of a high temperature higher than 100°C, a mixture in which a portion of lithium carbonate has been converted into lithium hydroxide, and then cools same so that an aqueous solution saturated with lithium hydroxide can be obtained, the process is simple and the purity of prepared lithium hydroxide is high. Furthermore, the preparation method repeatedly performs a series of steps comprising heat treatment of lithium carbonate and dissolution in high-temperature water so that the recovery rate of lithium hydroxide can be increased, and thus has excellent economic feasibility and is eco-friendly.

IPC Classes  ?

81.

CATHODE ACTIVE MATERIAL, AND CATHODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

      
Application Number KR2025012487
Publication Number 2026/043232
Status In Force
Filing Date 2025-08-18
Publication Date 2026-02-26
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Kyung Han
  • Jeong, Myung Gi
  • Kim, Jeong Won
  • Gu, Ye Hyeon
  • Kim, Sol Jin
  • Kim, Kyung Gu
  • Choe, Gwang Seok
  • Seong, Jun Mo
  • Choi, Yun Jeong

Abstract

The present invention relates to a cathode active material, a cathode including same, and a lithium secondary battery including the cathode active material, wherein the cathode active material is in the form of a quasi-single particle formed by aggregating at least 4 but not more than 10 primary particles, and has a dispersion value of 1.2 or less calculated from particle-size distribution values of primary particles obtained by EBSD analysis of a SEM image, thereby exhibiting high rolling density and energy density.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • C30B 29/22 - Complex oxides
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 10/052 - Li-accumulators
  • H01M 4/02 - Electrodes composed of, or comprising, active material

82.

COMPOSITE ELECTROLYTE AND BATTERY

      
Application Number KR2025012823
Publication Number 2026/043330
Status In Force
Filing Date 2025-08-22
Publication Date 2026-02-26
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Su Jun
  • Lee, Seongsoo
  • Lee, Kyoungsoo

Abstract

The present invention relates to a composite electrolyte and a battery, the composite electrolyte comprising: a base layer; an active layer disposed on one surface or both surfaces of the base layer; and a heat-resistant layer which is disposed between the base layer and the active layer and which includes first inorganic particles and second inorganic particles, wherein the true density of the first inorganic particles can be less than or equal to that of the second inorganic particles.

IPC Classes  ?

  • H01M 10/056 - Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
  • H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
  • H01M 50/451 - Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
  • H01M 50/431 - Inorganic material
  • H01M 50/417 - Polyolefins
  • H01M 50/491 - Porosity
  • H01M 50/497 - Ionic conductivity
  • H01M 10/052 - Li-accumulators

83.

DRY ELECTRODE, METHOD FOR MANUFACTURING SAME, AND SECONDARY BATTERY COMPRISING SAME

      
Application Number KR2025012234
Publication Number 2026/038866
Status In Force
Filing Date 2025-08-12
Publication Date 2026-02-19
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Shin, Jeong-Min
  • Mun, Sung Cik
  • Park, Woo-Bin
  • Lee, Tae-Hee
  • Han, Sung-Jae

Abstract

Presented are a dry electrode, a method for manufacturing same, and a secondary battery comprising same. The dry electrode comprises an electrode current collector and an electrode active material layer positioned on at least one surface of the electrode current collector, wherein the electrode active material layer comprises a composite in which an electrode active material, a conductive material, and a first binder polymer are composited, and a fibrillated second binder polymer. The first binder polymer comprises a polyvinylidene fluoride (PVDF)-based material, the second binder polymer comprises polytetrafluoroethylene (PTFE), and the aspect ratio of the first binder polymer is 1:1 to 1:3.

IPC Classes  ?

  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 4/1391 - Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 10/052 - Li-accumulators

84.

METHOD FOR RECOVERING UNREACTED MONOMERS

      
Application Number KR2025012167
Publication Number 2026/038852
Status In Force
Filing Date 2025-08-12
Publication Date 2026-02-19
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lyu, Byeong Gil
  • Lee, Sung Kyu
  • Choo, Yeon Uk

Abstract

The present invention provides a method for recovering unreacted monomers, the method including: (S1) a step for supplying a residue, including unreacted monomers that remain after a polymerization reaction in a reactor, to a gas separation column to separate the residue into an overhead stream including an unreacted monomer gas and a bottoms stream including a relatively high boiling point component; (S2) a step for compressing the overhead stream, discharged from the top of the gas separation column and including the unreacted monomer gas, in a compressor to form a compressed stream, supplying the compressed stream to a condenser, and cooling the compressed stream in the condenser to obtain a cooled stream; and (S3) a step for separating the cooled stream in a gas-liquid separator and recovering a liquid monomer fraction from the bottom of the gas-liquid separator and a gas-phase monomer fraction from the top of the gas-liquid separator, wherein the liquid monomer fraction recovered from the bottom of the gas-liquid separator is recycled to the reactor.

IPC Classes  ?

  • C08F 6/00 - Post-polymerisation treatments
  • C08F 10/00 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
  • B01D 53/00 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols

85.

NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY INCLUDING SAME

      
Application Number KR2025012019
Publication Number 2026/035106
Status In Force
Filing Date 2025-08-08
Publication Date 2026-02-12
Owner
  • LG CHEM, LTD. (Republic of Korea)
  • IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY) (Republic of Korea)
Inventor
  • Son, Beomgwon
  • Song, Taeseup
  • Kim, Jaeyoon
  • Chang, Uijin
  • Kim, Jaeik

Abstract

Provided are: a negative electrode for a lithium secondary battery; a method for manufacturing same; and a lithium secondary battery including same. The negative electrode comprises: a current collector; and a protective layer disposed on one surface of the current collector, wherein the protective layer includes a polymer support and a lithiophilic material, and has a concentration gradient region in which the concentration of the lithiophilic material progressively increases in a direction from one side of the protective layer on which the current collector is disposed toward the other side of the protective layer on which the current collector is not disposed.

IPC Classes  ?

  • H01M 4/134 - Electrodes based on metals, Si or alloys
  • H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
  • H01M 4/1395 - Processes of manufacture of electrodes based on metals, Si or alloys
  • H01M 10/052 - Li-accumulators
  • H01M 10/056 - Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
  • H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
  • H01M 4/02 - Electrodes composed of, or comprising, active material

86.

SUPER ABSORBENT POLYMER

      
Application Number KR2025012045
Publication Number 2026/035115
Status In Force
Filing Date 2025-08-08
Publication Date 2026-02-12
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Shin, Kwangin
  • Hwang, Jinyoung
  • Park, Sung Soo
  • Lee, Junwye
  • Park, Dong Hoon

Abstract

The present invention relates to a super absorbent polymer.

IPC Classes  ?

  • C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
  • C08J 3/12 - Powdering or granulating
  • C08F 220/06 - Acrylic acidMethacrylic acidMetal salts or ammonium salts thereof

87.

ELECTRICALLY HEATED REACTOR

      
Application Number KR2025010951
Publication Number 2026/029479
Status In Force
Filing Date 2025-07-24
Publication Date 2026-02-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Park, Hongseok
  • Kang, Mooseong
  • Kim, Huiyong
  • Kwon, Hyun Jee
  • Kim, Lucia
  • Choi, Jaehoon

Abstract

Disclosed is an electrically heated reactor. The electrically heated reactor may comprise: a reaction tube in which a passage through which a reactant passes is formed in the longitudinal direction; a porous structure which is disposed inside the reaction tube, is coated or impregnated on the surface with a catalyst, and receives power to generate heat; a power supply configured to supply power to the porous structure; and a pair of power application structures arranged at respective ends of the reaction tube and connecting the power supply and the porous structure such that power from the power supply is supplied to the porous structure.

IPC Classes  ?

  • B01J 19/00 - Chemical, physical or physico-chemical processes in generalTheir relevant apparatus
  • B01J 19/24 - Stationary reactors without moving elements inside
  • B01J 8/02 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with stationary particles, e.g. in fixed beds
  • B01J 8/06 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with stationary particles, e.g. in fixed beds in tube reactorsChemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with stationary particles, e.g. in fixed beds the solid particles being arranged in tubes

88.

COMPOSITION, POLYMER MEMBRANE COMPRISING SAME, AND SECONDARY BATTERY

      
Application Number KR2025011238
Publication Number 2026/029532
Status In Force
Filing Date 2025-07-29
Publication Date 2026-02-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lee, Mi Sook
  • Lee, Ji Seok
  • Son, Hyun Joo
  • Kim, Su Jeong
  • Oh, Mi Yeon
  • Shin, Sung Ho
  • Yoon, Jeong Ae
  • Kim, Ju Hwan
  • Kim, Ki Cheol

Abstract

The objective of the present invention is to enhance the low lithium-ion conductivity of the prior art and improve problems related to the performance and stability of secondary batteries. The present invention relates to: a composition comprising a polysiloxane derivative and a polymer including a repeating unit represented by chemical formula 1 described in the present specification; a polymer membrane comprising same; and a secondary battery.

IPC Classes  ?

  • C08L 83/04 - Polysiloxanes
  • C08L 83/12 - Block- or graft-copolymers containing polysiloxane sequences containing polyether sequences
  • C08L 81/10 - PolysulfonamidesPolysulfonimides
  • C08L 71/00 - Compositions of polyethers obtained by reactions forming an ether link in the main chainCompositions of derivatives of such polymers
  • H01M 10/0565 - Polymeric materials, e.g. gel-type or solid-type
  • H01M 10/052 - Li-accumulators

89.

COMPOSITE

      
Application Number KR2025011508
Publication Number 2026/029617
Status In Force
Filing Date 2025-08-01
Publication Date 2026-02-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kang, Tae Gyeong
  • Shin, Moo Kwang
  • Oh, Kyoung Shil
  • Oh, Myung Eun
  • Gu, Gyo Eun
  • Lee, Seung Min
  • Jung, Jin Mi
  • Lee, Hong Chan
  • Kim, Jang Hwan

Abstract

The present specification discloses a composite and a heat-absorbing apparatus, which may be applied to a product or a device in an abnormal state or having the possibility of the abnormal state occurring, so as to effectively respond to heat, ignition, and explosion in the abnormal state. For example, the composite and the heat-absorbing apparatus may be applied to an article comprising a plurality of such products or devices so as to respond to abnormal heat generation, explosion, and ignition occurring in any one of the devices or products, and block or minimize the propagation of such heat generation, explosion, and ignition to the other adjacent devices or products. The composite and the heat-absorbing apparatus also have excellent handleability and storage stability. The present specification may also provide a use of the composite and the heat-absorbing apparatus.

IPC Classes  ?

  • A62D 1/00 - Fire-extinguishing compositionsUse of chemical substances in extinguishing fires
  • A62C 3/16 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
  • A62C 35/02 - Permanently-installed equipment with containers for delivering the extinguishing substance
  • H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
  • H01M 50/24 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
  • H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
  • C01B 33/158 - PurificationDryingDehydrating
  • D04H 1/4209 - Inorganic fibres

90.

COMPOSITE

      
Application Number KR2025011514
Publication Number 2026/029621
Status In Force
Filing Date 2025-08-01
Publication Date 2026-02-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Ho Yeon
  • Um, Ki Ju
  • Shin, Moo Kwang
  • Oh, Kyoung Shil
  • Lee, Seung Min
  • Jung, Jin Mi
  • Lee, Hong Chan
  • Kim, Jang Hwan

Abstract

Disclosed in the present specification are a composite and a heat-absorbing device, which are applied to products or devices in an abnormal state or in which the abnormal state is likely to occur, and thus can effectively respond to heat, an ignition and an explosion in the abnormal state. For example, the composite and the heat-absorbing device are applied to articles including a plurality of the products or devices, and thus can respond to abnormal heat generation, an explosion and an ignition occurring in any one device or product, and prevent or minimize propagation of the heat generation, the explosion and the ignition to other adjacent devices or products. The composite and the heat-absorbing device also exhibit excellent handling and storage stability. In addition, the present specification can provide a use of the composite and the heat-absorbing device.

IPC Classes  ?

  • A62D 1/00 - Fire-extinguishing compositionsUse of chemical substances in extinguishing fires
  • A62C 3/16 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
  • A62C 35/02 - Permanently-installed equipment with containers for delivering the extinguishing substance
  • D04H 1/4209 - Inorganic fibres
  • D04H 1/4218 - Glass fibres
  • H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
  • H01M 50/24 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
  • H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
  • C01B 33/158 - PurificationDryingDehydrating

91.

HEAT-ABSORBING DEVICE

      
Application Number KR2025011516
Publication Number 2026/029623
Status In Force
Filing Date 2025-08-01
Publication Date 2026-02-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Gu, Gyo Eun
  • Shin, Moo Kwang
  • Kang, Tae Gyeong
  • Oh, Kyoung Shil

Abstract

Disclosed in the present specification are a composite and a heat-absorbing device, which are applied to products or devices in an abnormal state or in which the abnormal state is likely to occur, and thus can effectively respond to heat, an ignition and an explosion in the abnormal state. For example, the composite and the heat-absorbing device are applied to articles including a plurality of the products or devices, and thus can respond to abnormal heat generation, an explosion and an ignition occurring in any one device or product, and prevent or minimize propagation of the heat generation, the explosion and the ignition to other adjacent devices or products. The composite and the heat-absorbing device also exhibit excellent handling and storage stability. In addition, the present specification can provide a use of the composite and the heat-absorbing device.

IPC Classes  ?

  • A62C 35/02 - Permanently-installed equipment with containers for delivering the extinguishing substance
  • A62D 1/00 - Fire-extinguishing compositionsUse of chemical substances in extinguishing fires
  • A62C 3/16 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
  • C01B 33/158 - PurificationDryingDehydrating
  • H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
  • H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
  • H01M 50/24 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
  • D04H 1/4209 - Inorganic fibres

92.

COMPOSITE MATERIAL AND HEAT ABSORBING DEVICE INCLUDING SAME

      
Application Number KR2025011517
Publication Number 2026/029624
Status In Force
Filing Date 2025-08-01
Publication Date 2026-02-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Gu, Gyo Eun
  • Shin, Moo Kwang
  • Kim, Mi Ri
  • Oh, Kyoung Shil
  • Lee, Kyung Hyun

Abstract

Disclosed herein are a composite material, a heat absorbing device, a method for manufacturing same, and uses of the composite material. The composite material and the like can be applied to products or components that generate heat or have the potential for ignition or explosion during operation, storage, and/or maintenance, thus effectively countering the heat, ignition, and explosion. For example, when applied to an article including a plurality of such products or components, the composite material and the like deals with abnormal heat generation, explosion, or ignition that occurs in any one of the components or products and thus is capable of preventing or minimizing the propagation of such heat generation, explosion, or ignition to adjacent components or products.

IPC Classes  ?

  • A62D 1/00 - Fire-extinguishing compositionsUse of chemical substances in extinguishing fires
  • H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
  • A62C 3/16 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
  • A62C 35/10 - Containers destroyed or opened by flames or heat
  • C01B 33/158 - PurificationDryingDehydrating
  • D04H 1/4209 - Inorganic fibres
  • A62C 35/02 - Permanently-installed equipment with containers for delivering the extinguishing substance

93.

PURIFICATION APPARATUS

      
Application Number KR2025007604
Publication Number 2026/029356
Status In Force
Filing Date 2025-06-04
Publication Date 2026-02-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Jang, Kyung Soo
  • Lee, Sung Kyu
  • Hwang, Sung June

Abstract

The present invention relates to a purification apparatus with an improved structure to effectively remove inorganic substances remaining in a material being purified and, more specifically, to a purification apparatus comprising: inside a lower column region of a distillation column, a first region and a second region partitioned by a dividing wall extending from the bottom of the distillation column to a predetermined height; a first guide partition wall extending downward from one end of a lowermost tray so as to be adjacent to the bottom of the distillation column; a reflux pipe extending from a reflux inlet toward the inside of the distillation column; an inclined baffle positioned at a height between the reflux pipe and the upper end of the dividing wall; and a second guide partition wall spaced apart between the dividing wall and the first guide partition wall and extending downward from one end of the inclined baffle so as to be adjacent to the bottom of the distillation column.

IPC Classes  ?

94.

SUPER ABSORBENT POLYMER

      
Application Number KR2025011212
Publication Number 2026/029525
Status In Force
Filing Date 2025-07-29
Publication Date 2026-02-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Kanguk
  • Park, Sung Soo
  • Shin, Kwangin
  • Lee, Junwye
  • Ko, Eunbyeol
  • Kim, Kyung Inn
  • Shin, Minhwa

Abstract

The present invention relates to a polyacrylic acid (salt)-based super absorbent polymer having a surface area–to–apparent volume ratio of 45 mm-1 or more and exhibiting a deodorization rate of 40% or more for dimethyl disulfide (DMDS) or dimethyl trisulfide according to the following Equation 1. [Equation 1] Deodorization rate (%) = (1 x Cs/Co) x 100 (In Equation 1, Cs is a peak area of an odor standard substance in a gas chromatography-mass spectrometry (GC-MS) graph for an odor standard substance solution that has been in contact with a super absorbent polymer at 35°C for 2 hours, and Co is a peak area of an odor standard substance in a gas chromatography-mass spectrometry graph for an odor standard substance solution that has been in contact with a control group at 35°C for 2 hours.)

IPC Classes  ?

  • C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
  • C08J 3/12 - Powdering or granulating

95.

ENDOTHERMIC DEVICE

      
Application Number KR2025011507
Publication Number 2026/029616
Status In Force
Filing Date 2025-08-01
Publication Date 2026-02-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Shin, Moo Kwang
  • Lee, Seung Min
  • Lee, Hong Chan
  • Kim, Jang Hwan
  • Oh, Kyoung Shil
  • Kim, Mi Ri
  • Kang, Tae Gyeong
  • Jung, Jin Mi

Abstract

Disclosed in the present specification are a composite material, an endothermic device, a method for manufacturing same, and a use of the composite material. The composite material can be applied to products or devices which generate heat or have a possibility of ignition or explosion during operation, storage, and/or maintenance, so as to effectively respond to the heat, ignition, and explosion. For example, the composite material can be applied to an article including a plurality of the products or devices, so as to respond to abnormal heat generation, explosion and ignition that occur in any one device or product, and to prevent or minimize propagation of the heat generation, explosion and ignition to other adjacent devices or products.

IPC Classes  ?

  • A62C 35/00 - Permanently-installed equipment
  • A62D 1/00 - Fire-extinguishing compositionsUse of chemical substances in extinguishing fires
  • A62C 35/02 - Permanently-installed equipment with containers for delivering the extinguishing substance
  • A62C 35/10 - Containers destroyed or opened by flames or heat
  • D04H 1/4209 - Inorganic fibres
  • H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
  • H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
  • H01M 50/24 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
  • A62C 3/16 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways

96.

COMPOSITE MATERIAL

      
Application Number KR2025011509
Publication Number 2026/029618
Status In Force
Filing Date 2025-08-01
Publication Date 2026-02-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Oh, Myung Eun
  • Lee, Seung Min
  • Lee, Hong Chan
  • Kim, Jang Hwan
  • Kang, Tae Gyeong
  • Shin, Moo Kwang
  • Gu, Gyo Eun
  • Oh, Kyoung Shil
  • Jung, Jin Mi

Abstract

The present specification discloses a composite material and a heat absorbing device which can be applied to a product or element which is in an abnormal state or is likely to enter the abnormal state, so as to effectively respond to heat, ignition, and explosion in the abnormal state. For example, the composite material and the heat absorbing device can be applied to an article including a plurality of the products or elements, so as to respond to abnormal heat generation, explosion, and ignition that occur in one of the elements or products, and prevent or minimize the propagation of such heat generation, explosion, and ignition to other adjacent elements or products. The composite material and the heat absorbing device also exhibit excellent handling and storage stability. The present specification may also provide the use of the composite material and the heat absorbing device.

IPC Classes  ?

  • A62D 1/00 - Fire-extinguishing compositionsUse of chemical substances in extinguishing fires
  • C01B 33/158 - PurificationDryingDehydrating
  • A62C 3/16 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
  • A62C 35/02 - Permanently-installed equipment with containers for delivering the extinguishing substance
  • H01M 50/24 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
  • H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
  • D04H 1/4209 - Inorganic fibres
  • D04H 1/4234 - Metal fibres

97.

COMPOSITE AND HEAT-ABSORBING APPARATUS COMPRISING SAME

      
Application Number KR2025011510
Publication Number 2026/029619
Status In Force
Filing Date 2025-08-01
Publication Date 2026-02-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Shin, Moo Kwang
  • Lee, Seung Min
  • Lee, Hong Chan
  • Kim, Jang Hwan
  • Oh, Kyoung Shil
  • Kang, Tae Gyeong
  • Gu, Gyo Eun
  • Jung, Jin Mi

Abstract

The present specification provides a composite, a heat-absorbing apparatus, manufacturing methods therefor, and uses of the composite and the like. The composite and the like are applied to products or devices that generate heat or has the possibility of ignition or explosion during operation, storage and/or maintenance, thereby enabling effective response to the heat, ignition and explosion. For example, the composite and the like are applied to an article that includes a plurality of the products or devices, so as to respond to abnormal heat generation, explosion and ignition occurring in any one of the devices or products and prevent or minimize the propagation of the heat generation, explosion and ignition to other adjacent devices or products.

IPC Classes  ?

  • A62D 1/00 - Fire-extinguishing compositionsUse of chemical substances in extinguishing fires
  • A62C 3/16 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
  • A62C 35/02 - Permanently-installed equipment with containers for delivering the extinguishing substance
  • H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
  • H01M 50/24 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
  • H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
  • C01B 33/158 - PurificationDryingDehydrating
  • D04H 1/4209 - Inorganic fibres

98.

COMPOSITE

      
Application Number KR2025011515
Publication Number 2026/029622
Status In Force
Filing Date 2025-08-01
Publication Date 2026-02-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Shin, Moo Kwang
  • Lee, Seung Min
  • Lee, Hong Chan
  • Kim, Jang Hwan
  • Oh, Kyoung Shil
  • Kang, Tae Gyeong
  • Oh, Myung Eun
  • Jung, Jin Mi

Abstract

Disclosed in the present specification are a composite and a heat-absorbing device, which are applied to products or devices in an abnormal state or in which the abnormal state is likely to occur, and thus can effectively respond to heat, an ignition and an explosion in the abnormal state. For example, the composite and the heat-absorbing device are applied to articles including a plurality of the products or devices, and thus can respond to abnormal heat generation, an explosion and an ignition occurring in any one device or product, and prevent or minimize propagation of the heat generation, the explosion and the ignition to other adjacent devices or products. The composite and the heat-absorbing device also exhibit excellent handling and storage stability. In addition, the present specification can provide a use of the composite and the heat-absorbing device.

IPC Classes  ?

  • A62D 1/00 - Fire-extinguishing compositionsUse of chemical substances in extinguishing fires
  • A62C 3/16 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
  • A62C 35/10 - Containers destroyed or opened by flames or heat
  • A62C 35/02 - Permanently-installed equipment with containers for delivering the extinguishing substance
  • C01B 33/158 - PurificationDryingDehydrating
  • D04H 1/4209 - Inorganic fibres
  • H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
  • H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
  • H01M 50/24 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion

99.

COMPOSITE

      
Application Number KR2025011522
Publication Number 2026/029627
Status In Force
Filing Date 2025-08-01
Publication Date 2026-02-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Oh, Myung Eun
  • Shin, Moo Kwang
  • Lee, Seung Min
  • Lee, Hong Chan
  • Kim, Jang Hwan
  • Oh, Kyoung Shil
  • Jung, Jin Mi

Abstract

Disclosed in the present specification are a composite and a heat-absorbing device, which are applied to products or devices in an abnormal state or in which the abnormal state is likely to occur, and thus can effectively respond to heat, an ignition and an explosion in the abnormal state. For example, the composite and the heat-absorbing device are applied to articles including a plurality of the products or devices, and thus can respond to abnormal heat generation, an explosion and an ignition occurring in any one device or product, and prevent or minimize propagation of the heat generation, the explosion and the ignition to other adjacent devices or products. The composite and the heat-absorbing device also exhibit excellent handling and storage stability. In addition, the present specification can provide a use of the composite and the heat-absorbing device.

IPC Classes  ?

  • A62D 1/00 - Fire-extinguishing compositionsUse of chemical substances in extinguishing fires
  • D04H 1/4209 - Inorganic fibres
  • A62C 35/00 - Permanently-installed equipment
  • A62C 35/02 - Permanently-installed equipment with containers for delivering the extinguishing substance
  • H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
  • H01M 50/24 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
  • H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
  • C01B 33/158 - PurificationDryingDehydrating

100.

COMPOSITE MATERIAL

      
Application Number KR2025011524
Publication Number 2026/029628
Status In Force
Filing Date 2025-08-01
Publication Date 2026-02-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Gu, Gyo Eun
  • Shin, Moo Kwang
  • Lee, Kyung Hyun
  • Oh, Kyoung Shil

Abstract

Disclosed in the present specification are a composite material, a heat absorbing device, a method for manufacturing same, a use of the composite material, and the like. The composite material and the like is applied to products or devices that generate heat or are likely to ignite or explode during operation, storage, and/or maintenance, and thus can effectively respond to the heat, ignition, and explosion. For example, the composite material and the like are applied to an article including a plurality of the products or devices, to respond to abnormal heat generation, explosion and ignition that occur in any one of the devices or products, and can prevent or minimize the propagation of the heat generation, explosion and ignition to other adjacent devices or products.

IPC Classes  ?

  • A62D 1/00 - Fire-extinguishing compositionsUse of chemical substances in extinguishing fires
  • A62C 3/16 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
  • A62C 35/10 - Containers destroyed or opened by flames or heat
  • H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
  • C01B 33/158 - PurificationDryingDehydrating
  • D04H 1/4209 - Inorganic fibres
  • A62C 35/02 - Permanently-installed equipment with containers for delivering the extinguishing substance
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