LG Chem, Ltd.

Republic of Korea

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        Patent 17,562
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[Owner] LG Chem, Ltd. 17,615
FarmHannong Co., Ltd. 10
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New (last 4 weeks) 94
2026 April (MTD) 41
2026 March 61
2026 February 59
2026 January 47
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IPC Class
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 1,335
H01M 10/052 - Li-accumulators 1,268
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) 1,166
H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders 928
C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials 856
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NICE Class
05 - Pharmaceutical, veterinary and sanitary products 28
01 - Chemical and biological materials for industrial, scientific and agricultural use 24
17 - Rubber and plastic; packing and insulating materials 17
40 - Treatment of materials; recycling, air and water treatment, 9
10 - Medical apparatus and instruments 3
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Status
Pending 1,190
Registered / In Force 16,425
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1.

METHOD FOR PREPARING CONJUGATED DIENE-BASED POLYMER AND METHOD FOR PREPARING GRAFT COPOLYMER

      
Application Number 19112821
Status Pending
Filing Date 2023-12-15
First Publication Date 2026-04-09
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Suk, Jae Min
  • Jeong, Young Hwan
  • Lee, Jin Hyoung
  • Kim, Ki Hyun
  • Bak, Chang Hong
  • Chae, Min Su

Abstract

The present invention relates to a method for preparing a conjugated diene-based polymer and a method for preparing a graft copolymer, more particularly, to a method for preparing a conjugated diene-based polymer, which may increase the particle size of the conjugated diene-based polymer without an additional process such as enlargement through agglomeration, or the increase of a polymerization time, and a method for preparing a graft copolymer, which may improve the impact strength of a resin composition even further from the conjugated diene-based polymer having an increased particle size.

IPC Classes  ?

  • C08F 279/04 - Vinyl aromatic monomers and nitriles as the only monomers

2.

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

3.

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

4.

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

5.

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

6.

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

7.

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

8.

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

9.

CURRENT COLLECTOR

      
Application Number 19112911
Status Pending
Filing Date 2023-10-19
First Publication Date 2026-04-02
Owner
  • LG CHEM, LTD. (Republic of Korea)
  • LG ENERGY SOLUTION, LTD. (Republic of Korea)
Inventor
  • Song, In Taek
  • Kwon, Soon Ho
  • Park, Sung Bin
  • Kim, Min Gyu
  • Cho, Woo Hyung
  • Kang, Joon Koo
  • Kim, Ki Hwan
  • Park, Eun Kyoung
  • Koh, Jong Kwan
  • Choi, Hyun Ju
  • Yang, Hee Myeong

Abstract

A current collector that includes a current collector body and a polymer layer formed on the current collector body, wherein the polymer layer can include a conductive polymer and a conductive material. The current collector can exhibit excellent electrical properties, including low resistance, in a normal state, and can ensure stability through an increase in resistance, and the like, in an abnormal state. Also provided are uses of the current collector.

IPC Classes  ?

  • H01M 4/66 - Selection of materials
  • C08F 28/06 - Homopolymers or 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 bond to sulfur or by a heterocyclic ring containing sulfur by a heterocyclic ring containing sulfur

10.

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

11.

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

12.

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

13.

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

14.

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

15.

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

16.

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

17.

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

18.

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

19.

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

20.

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

21.

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

22.

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

23.

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

24.

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

25.

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

26.

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

27.

MELANOCORTIN-4 RECEPTOR AGONISTS

      
Application Number 19410552
Status Pending
Filing Date 2025-12-05
First Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kang, Seung Wan
  • Park, Hee Dong
  • Park, Hee Dong
  • Yeo, Su Jin
  • Park, Hyun Seo
  • Hong, Ji Ho
  • Ahn, Hye Won
  • Choi, Eun Sil

Abstract

The present invention relates to a compound exhibiting excellent agonist activity against melanocortin receptors. More specifically, the present invention relates to a compound of Formula 1, a pharmaceutical composition comprising the compound as an active ingredient, and a use thereof, and the compound of the present invention exhibits excellent agonist activity against melacortin-4 receptors and can be particularly useful in preventing or treating obesity, diabetes, inflammation and erectile dysfunction.

IPC Classes  ?

  • C07D 413/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
  • A61P 3/04 - AnorexiantsAntiobesity agents

28.

METHOD FOR PRODUCING HYDROPHOBIC SILICA AEROGEL BLANKET, AND SILICA AEROGEL BLANKET

      
Application Number 18878633
Status Pending
Filing Date 2023-07-21
First Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lee, Kyu Reon
  • Kim, Mi Ri
  • Oh, Myung Eun
  • Oh, Kyoung Shil

Abstract

The present invention relates to a method for producing a silica aerogel blanket having excellent surface modification efficiency and high hydrophobicity while not containing residual chlorine, and to a silica aerogel blanket produced thereby and not containing residual chlorine.

IPC Classes  ?

29.

Composition

      
Application Number 19112647
Status Pending
Filing Date 2023-09-27
First Publication Date 2026-04-02
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Lee, Seung Min
  • Lee, Hong Chan
  • Jung, Jin Mi

Abstract

Disclosed is a composition which is applied to products or elements generating heat or having possibility of ignition or explosion during driving, storage and/or maintenance processes. The composition is capable of effectively responding to the heat, ignition, and explosion. For example, the composition is applied to an article comprising a plurality of the products or elements. The composition is capable of responding to abnormal heat generation, explosion, and ignition occurring in any one element or product, and capable of preventing or minimizing propagation of such heat generation, explosion, and ignition to other adjacent elements or products. The composition also exhibits excellent handleability and storage stability.

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
  • C09K 21/14 - Macromolecular materials
  • 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

30.

LIGHT CONTROL FILM

      
Application Number 19141899
Status Pending
Filing Date 2023-12-21
First Publication Date 2026-04-02
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kwon, Do Hyung
  • Kim, Jun Hyeong
  • Chang, Woo Hyuck
  • Kang, Hae Goo
  • Han, Byeong Heui

Abstract

The present specification discloses a light control film, and a display device to which the light control film is applied. The light control film enables precise control of a light-outgoing angle, can secure high transmittance, high luminance, and excellent resolution within the light-outgoing angle, and block unnecessary light capable of causing defects such as so-called ghosts or moire, as it is applied to a display device. Even when the light control film is applied to an OLED display, the light control film exhibits the above performance, and simultaneously prevents defects, such as stripes, that can be recognized by an observer from occurring. The present specification also discloses a display device to which the light control film is applied.

IPC Classes  ?

  • G02B 27/30 - Collimators
  • F21V 9/40 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity

31.

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  ?

32.

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

33.

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

34.

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  ?

35.

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

36.

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

37.

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

38.

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

39.

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  ?

40.

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

41.

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

42.

COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME

      
Application Number 19100919
Status Pending
Filing Date 2024-03-29
First Publication Date 2026-03-26
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Ha, Jae Seung
  • Geum, Sujeong
  • Lee, Da Jung
  • Jeon, Jiye
  • Cho, Woo Jin
  • Choi, Ji Young
  • Lee, Woochul

Abstract

A compound of Chemical Formula 1: A compound of Chemical Formula 1: where X1 is O or S, Ar1 is a pyrenyl group that is unsubstituted or substituted with at least one selected from the group consisting of deuterium, an alkyl group, a cycloalkyl group, an aryl group, and a heteroaryl group; a fluoranthenyl group that is unsubstituted or substituted with at least one selected from the group consisting of deuterium, an alkyl group, a cycloalkyl group, an aryl group, and a heteroaryl group; or a phenanthrenyl group that is unsubstituted or substituted with at least one selected from the group consisting of deuterium, an alkyl group, a cycloalkyl group, an aryl group, and a heteroaryl group; and the other substituents are as described in the specification; and an organic light-emitting device including the same.

IPC Classes  ?

  • H10K 85/60 - Organic compounds having low molecular weight
  • C07B 59/00 - Introduction of isotopes of elements into organic compounds
  • C07D 307/77 - Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
  • C07D 307/80 - Radicals substituted by oxygen atoms
  • C07D 307/91 - DibenzofuransHydrogenated dibenzofurans
  • C07D 333/50 - Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
  • C07D 333/54 - Benzo [b] thiophenesHydrogenated benzo [b] thiophenes with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
  • C07D 333/76 - Dibenzothiophenes
  • C07D 405/04 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring- member bond
  • C07D 405/10 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a carbon chain containing aromatic rings
  • C07D 409/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond
  • C07D 409/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
  • C07F 7/08 - Compounds having one or more C—Si linkages
  • C09K 11/02 - Use of particular materials as binders, particle coatings or suspension media therefor
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
  • H10K 50/12 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants

43.

Analysis Method of Pore Distribution of Porous Structures

      
Application Number 19108811
Status Pending
Filing Date 2023-09-06
First Publication Date 2026-03-26
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Kang, Hosung
  • Lee, Sang-Won
  • Kim, Kyeong-Rak
  • Park, Je-Seob

Abstract

A method of analyzing the pore distribution of porous structures includes observing a cross-section of a porous structure using scanning electron microscopy (SEM) to obtain a raw image of the cross-section of the porous structure and quantifying a pore distribution of the obtained raw image through Voronoi diagram.

IPC Classes  ?

  • G01N 23/2251 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by measuring secondary emission from the material using electron or ion microprobes using incident electron beams, e.g. scanning electron microscopy [SEM]
  • G01N 15/08 - Investigating permeability, pore volume, or surface area of porous materials

44.

REFINERY APPARATUS

      
Application Number 19109384
Status Pending
Filing Date 2024-07-11
First Publication Date 2026-03-26
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Jang, Kyung Soo
  • Lee, Sung Kyu
  • Hwang, Sung June

Abstract

Refinery apparatus including a distillation column partitioned into a first and second region with a partition wall therebetween in a bottom region thereof, the distillation column including a feed supply port at one side of a middle region, a first outlet provided below the first region, a second outlet provided below the second region and connected to one side of a reboiler, and a reflux inlet provided above the second region and connected to the other side of the reboiler, and a plurality of trays arranged vertically apart from the partition wall provided in the middle region, where one end of a lowest tray among the plurality of trays is opened so as not to contact a side of the distillation column on the first region, and a guide baffle extends downward from one end of the lowest tray to be adjacent to a bottom of the distillation column.

IPC Classes  ?

45.

CARBON NANOTUBE DISPERSION AND METHOD FOR PREPARING THE SAME

      
Application Number 19111021
Status Pending
Filing Date 2024-02-22
First Publication Date 2026-03-26
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Jang, Young Jin
  • Woo, Yu Jin
  • Mok, Yeong Bong
  • Yang, Young Jo
  • Kim, Hyun Suk
  • Yoon, Ki Youl
  • Kim, Eun Bum

Abstract

The present invention relates to a carbon nanotube dispersion comprising carbon nanotubes, a dispersant and a dispersion medium, wherein the dispersant comprises a first dispersant and a second dispersant in a weight ratio of 100:10 to 100:90, the first dispersant is a dispersant comprising an N atom, the second dispersant is a compound comprising a sulfonic acid group, a hydroxyl group and an aromatic ring in a molecular structure, and a weight ratio of the carbon nanotubes and the dispersant is 100:50 to 100:500, thereby having low viscosity and a little 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

46.

CARBON NANOTUBE DISPERSION AND METHOD FOR PREPARING THE SAME

      
Application Number 19111064
Status Pending
Filing Date 2024-02-22
First Publication Date 2026-03-26
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Jang, Young Jin
  • Woo, Yu Jin
  • Mok, Yeong Bong
  • Yang, Young Jo
  • Kim, Hyun Suk
  • Yoon, Ki Youl
  • Kim, Eun Bum

Abstract

The present invention relates to a carbon nanotube dispersion comprising carbon nanotubes, a dispersant and a dispersion medium, wherein the dispersant comprises a first dispersant and a second dispersant in a weight ratio of 100:10 to 100:115, the first dispersant is a dispersant comprising an N atom, the second dispersant comprises a compound comprising one aromatic ring and two or more hydroxyl groups in a molecular structure, and a weight ratio of the carbon nanotubes and the dispersant is 100:50 to 100:500, thereby having a small size of particles contained in the carbon nanotube dispersion.

IPC Classes  ?

  • C01B 32/174 - DerivatisationSolubilisationDispersion in solvents

47.

Polymer Graph Neural Network and the Implementing Method Therefor

      
Application Number 19111456
Status Pending
Filing Date 2023-10-16
First Publication Date 2026-03-26
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Moon, Hee Yeon
  • Bae, Jae Soon
  • Lee, Kyu Hwang
  • Shin, Hyeon Ah

Abstract

A computer-implemented method for predicting property information of a polymer from a chemical structure of the polymer, a method for graphically representing the chemical structure of the polymer, and a method and system for producing property information of a polymer from graph information of the polymer by training an artificial neural network based on the chemical structure of the polymer using information prescribing an interconnection relationship between each atom of a plurality of atoms constituting a repeat unit structure of the polymer and an attach node to which the repeat unit structure is attached.

IPC Classes  ?

  • G16C 60/00 - Computational materials science, i.e. ICT specially adapted for investigating the physical or chemical properties of materials or phenomena associated with their design, synthesis, processing, characterisation or utilisation
  • G16C 20/70 - Machine learning, data mining or chemometrics

48.

COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME

      
Application Number 19325089
Status Pending
Filing Date 2025-09-10
First Publication Date 2026-03-26
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Heo, Dong Uk
  • Kim, Hanna
  • Park, Jongjin
  • Yoon, Jung Min
  • Lee, Jae Tak
  • Han, Su Jin
  • Yun, Jun
  • Hong, Sung Kil

Abstract

A compound of Chemical Formula 1: A compound of Chemical Formula 1: A compound of Chemical Formula 1: wherein: Ar1 is an aryl group having 6 to 60 carbon atoms that is substituted with one or more cyano groups, and is optionally further substituted with deuterium; Ar21 to Ar23 are the same as or different from each other, and are each independently hydrogen, deuterium, or a substituted or unsubstituted aryl group having 6 to 60 carbon atoms; and the other substituents are as defined in the specification; and an organic light emitting device including the same. The compound can be used as a material for an organic material layer of an organic light emitting device, and can be used as a material for a light emitting layer. An organic light emitting device including the compound of Chemical Formula 1 exhibits a low driving voltage, a high efficiency and/or a long service life compared to existing organic light emitting devices.

IPC Classes  ?

  • H10K 50/16 - Electron transporting layers
  • C07D 251/14 - Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hydrogen or carbon atoms directly attached to at least one ring carbon atom
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
  • H10K 50/17 - Carrier injection layers
  • H10K 85/60 - Organic compounds having low molecular weight

49.

COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME

      
Application Number 19325854
Status Pending
Filing Date 2025-09-11
First Publication Date 2026-03-26
Owner LG CHEM, LTD (Republic of Korea)
Inventor
  • Heo, Dong Uk
  • Kim, Hanna
  • Park, Jongjin
  • Yoon, Jung Min
  • Lee, Jae Tak
  • Han, Su Jin
  • Lee, Hyungjin
  • Hong, Sung Kil

Abstract

A compound of Chemical Formula 1: A compound of Chemical Formula 1: A compound of Chemical Formula 1: Ar1 is an aryl group having 6 to 60 carbon atoms that is substituted with one or more cyano groups, and optionally further substituted with deuterium; Ar2 and Ar3 are the same as or different from each other, and are each independently a substituted or unsubstituted aryl group having 6 to 60 carbon atoms; and the other substituents are defined in the specification; and an organic light emitting device including the same. The compound can be used as a material for an organic material layer of an organic light emitting device. The compound of Chemical Formula 1 may be used as a material for a light emitting layer. An organic light emitting device in which the compound of Chemical Formula 1 can exhibit a low driving voltage, a high efficiency and/or a long service life compared to existing organic light emitting devices.

IPC Classes  ?

  • H10K 85/60 - Organic compounds having low molecular weight
  • C07B 59/00 - Introduction of isotopes of elements into organic compounds
  • C07D 239/26 - Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
  • C07D 239/74 - QuinazolinesHydrogenated quinazolines with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached to ring carbon atoms of the hetero ring
  • C07D 251/24 - Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hydrogen or carbon atoms directly attached to at least one ring carbon atom to three ring carbon atoms
  • C07D 401/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
  • C07D 403/10 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a carbon chain containing aromatic rings
  • C07D 491/048 - Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring the oxygen-containing ring being five-membered
  • H10K 50/16 - Electron transporting layers
  • H10K 50/17 - Carrier injection layers

50.

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

51.

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  ?

52.

REACTIVE MONOMER SEPARATION DEVICE

      
Application Number 19106946
Status Pending
Filing Date 2024-06-25
First Publication Date 2026-03-26
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Oh, Jai June
  • Jang, Kyung Soo
  • Lee, Sung Kyu

Abstract

A reactive monomer separation device in which a structure of a feed supply unit is designed so that feed can be uniformly distributed inside a column, thereby improving column efficiency. The feed supply unit includes a circular feed transfer pipe provided along an inner wall of a cylindrical column; one or more inner pipes extending in a direction of a central axis from the circular feed transfer pipe; and a spray nozzle provided at each end of the one or more inner pipes, and a spray angle (θ) of the spray nozzle is ≤a maximum spray angle defined by the following equation: A reactive monomer separation device in which a structure of a feed supply unit is designed so that feed can be uniformly distributed inside a column, thereby improving column efficiency. The feed supply unit includes a circular feed transfer pipe provided along an inner wall of a cylindrical column; one or more inner pipes extending in a direction of a central axis from the circular feed transfer pipe; and a spray nozzle provided at each end of the one or more inner pipes, and a spray angle (θ) of the spray nozzle is ≤a maximum spray angle defined by the following equation: maximum ⁢ spray ⁢ angle = 2 × tan - 1 ( l / h ) Equation ⁢ ( 1 ) A reactive monomer separation device in which a structure of a feed supply unit is designed so that feed can be uniformly distributed inside a column, thereby improving column efficiency. The feed supply unit includes a circular feed transfer pipe provided along an inner wall of a cylindrical column; one or more inner pipes extending in a direction of a central axis from the circular feed transfer pipe; and a spray nozzle provided at each end of the one or more inner pipes, and a spray angle (θ) of the spray nozzle is ≤a maximum spray angle defined by the following equation: maximum ⁢ spray ⁢ angle = 2 × tan - 1 ( l / h ) Equation ⁢ ( 1 ) where l is a length of the inner pipe, and h is a height from a lower dual flow tray of the stage equipped with the feed supply unit to the feed supply unit.

IPC Classes  ?

  • B01D 3/26 - Fractionating columns in which vapour and liquid flow pass each other, or in which the fluid is sprayed into the vapour, or in which a two-phase mixture is passed in one direction

53.

REACTIVE MONOMER SEPARATION DEVICE

      
Application Number 19107964
Status Pending
Filing Date 2024-06-25
First Publication Date 2026-03-26
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Oh, Jai June
  • Jang, Kyung Soo
  • Lee, Sung Kyu

Abstract

A separation device including a cylindrical column; a plurality of dual flow trays provided inside the cylindrical column to partition a plurality of stages; and a feed supply unit provided in one of the plurality of stages to supply a raw material including a liquid reactive monomer, in which a structure of the feed supply unit is designed so that feed can be uniformly distributed inside the column, thereby improving column efficiency. The feed supply unit can include a circular feed transfer pipe spaced apart between a lower and an upper dual flow tray of the stage in which the feed supply unit is provided, a plurality of inner pipes extending in a direction of a central axis from the feed transfer pipe, and a plurality of spray nozzles, where each of the plurality of inner pipes is individually provided with a plurality of the spray nozzles.

IPC Classes  ?

  • B01D 3/22 - Fractionating columns in which vapour bubbles through liquid with horizontal sieve plates or gridsConstruction of sieve plates or grids
  • B01D 3/32 - Other features of fractionating columns
  • B01D 3/42 - RegulationControl

54.

METHOD OF PREPARING PYROLYSIS FUEL OIL FROM WASTE PLASTICS

      
Application Number 19108227
Status Pending
Filing Date 2024-07-15
First Publication Date 2026-03-26
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lee, Sung Ho
  • Lee, Sang Beom
  • Jeong, Jun Kyo
  • An, Ji Won

Abstract

A method of preparing pyrolysis oil from waste plastics, the method including: (A) preparing a waste plastic raw material; (B) supplying the waste plastic raw material through a lower portion of a reaction distillation tower and performing pyrolysis to produce pyrolysis gas; (C) supplying a hydrogen donor stream through an upper portion of the reaction distillation tower and reacting the hydrogen donor stream with the pyrolysis gas; and (D) discharging the pyrolysis gas reacted with the hydrogen donor stream through the upper portion and condensing the discharged pyrolysis gas reacted with the hydrogen donor stream to obtain liquid oil.

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
  • C10B 53/07 - Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of synthetic polymeric materials, e.g. tyres
  • C10G 1/02 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by distillation
  • C10G 67/02 - Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only plural serial stages only

55.

ELECTRODE CURRENT COLLECTOR

      
Application Number 19109346
Status Pending
Filing Date 2023-10-19
First Publication Date 2026-03-26
Owner
  • LG CHEM, LTD. (Republic of Korea)
  • LG ENERGY SOLUTION, LTD. (Republic of Korea)
Inventor
  • Kang, Joon Koo
  • Kwon, Soon Ho
  • Park, Eun Kyoung
  • Song, In Taek
  • Koh, Jong Kwan
  • Kim, Min Gyu
  • Cho, Woo Hyung
  • Kim, Ki Hwan
  • Choi, Hyun Ju
  • Yang, Hee Myeong
  • Park, Sung Bin

Abstract

An electrode current collector that includes a current collector body and a polymer layer formed on the current collector body, where the polymer layer includes a copolymer containing a first thiophene unit having a hydrocarbon group with 10 or more carbon atoms and a second thiophene unit having a hydrocarbon group with 9 or less carbon atoms, and the electrode current collector can exhibit excellent electrical characteristics, including low resistance, in a normal state in a secondary battery or the like, and can ensure stability through an increase in resistance in an abnormal state. Also provided are uses of the electrode current collector.

IPC Classes  ?

  • H01M 4/66 - Selection of materials
  • H01M 4/02 - Electrodes composed of, or comprising, active material
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

56.

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

57.

Positive Electrode Active Material for Lithium Secondary Battery and Method for Preparing Said Positive Electrode Active Material

      
Application Number 19399827
Status Pending
Filing Date 2025-11-25
First Publication Date 2026-03-19
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Shin, Ho Suk
  • Kim, Won Tae
  • Yu, Jong Yeol
  • Lim, Young Geun
  • Shin, Sun Sik
  • Ha, Seoung Chul

Abstract

A positive electrode active material includes a lithium transition metal oxide and the positive electrode active material comprises cavities in a region within a distance of 0.3R or more from a center of the particle when the distance from the center of the particle to the surface is R. The positive electrode active material particles have a cavity ratio of 5-20%.

IPC Classes  ?

  • 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 4/02 - Electrodes composed of, or comprising, active material
  • 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 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

58.

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

59.

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

60.

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

61.

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

62.

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

63.

COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME

      
Application Number 19341936
Status Pending
Filing Date 2025-09-26
First Publication Date 2026-03-19
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Ha, Jae Seung
  • Geum, Sujeong
  • Lee, Da Jung
  • Jeon, Jiye
  • Cho, Woo Jin
  • Choi, Ji Young
  • Lee, Woochul

Abstract

A compound of Chemical Formula 1: A compound of Chemical Formula 1: A compound of Chemical Formula 1: wherein X1 and X2 are the same as or different from each other, and are each independently O or S; n is an integer from 1 to 4, and when n is 2 or higher, the L101s are the same as or different from each other; and the other substituents are as defined in the specification; and an organic light-emitting device including the same. An organic light emitting device using the compound of Chemical Formula 1 can have a low driving voltage, high light emitting efficiency, or a long service life.

IPC Classes  ?

  • H10K 85/60 - Organic compounds having low molecular weight
  • C07D 307/77 - Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
  • C07D 333/50 - Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
  • C07D 409/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond
  • C09K 11/02 - Use of particular materials as binders, particle coatings or suspension media therefor
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
  • H10K 50/12 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
  • H10K 101/00 - Properties of the organic materials covered by group

64.

Method of Preparing Positive Electrode Material for Lithium Secondary Battery and Positive Electrode Material for Lithium Secondary Battery Prepared Thereby

      
Application Number 19395197
Status Pending
Filing Date 2025-11-20
First Publication Date 2026-03-19
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Choi, Sang Soon
  • Chae, Hwe Seok
  • Kim, Jae Geun
  • Kang, Seong Hoon

Abstract

A positive electrode material includes a first positive electrode active material and a second positive electrode active material. The first positive electrode active material has an average particle diameter (D50) of 10 μm to 30 μm and the second positive electrode active material has a smaller average particle diameter than the first positive electrode active material. An equivalent weight of lithium in the first positive electrode active material and an equivalent weight of lithium in the second positive electrode active material are different.

IPC Classes  ?

  • H01M 4/04 - Processes of manufacture in general
  • H01M 4/02 - Electrodes composed of, or comprising, active material
  • 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 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

65.

POLYALKYLENECARBONATE RESIN COMPOSITION AND METHOD FOR PREPARING THE SAME

      
Application Number 19106524
Status Pending
Filing Date 2024-05-10
First Publication Date 2026-03-19
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Shin, Bo Ra
  • Bang, So Hee
  • Ahn, Min Ji
  • Kim, Sang Woo
  • Lim, Seo Yeon

Abstract

A polyalkylene carbonate resin composition with excellent thermal stability, and a method for preparing the same. The polyalkylene carbonate resin composition includes polyalkylenecarbonate, an organic acid, and at least one additive selected from among an antioxidant and a hydrolysis inhibitor. The organic acid is included in an amount of 0.001 parts by weight or more and less than 0.5 parts by weight with respect to 100 parts by weight of the polyalkylenecarbonate.

IPC Classes  ?

  • C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
  • C08G 64/02 - Aliphatic polycarbonates
  • C08G 64/34 - General preparatory processes using carbon dioxide and cyclic ethers
  • C08J 3/20 - Compounding polymers with additives, e.g. colouring
  • C08K 5/092 - Polycarboxylic acids
  • C08K 5/098 - Metal salts of carboxylic acids
  • C08K 5/134 - Phenols containing ester groups
  • C08K 5/25 - Carboxylic acid hydrazides
  • C08K 5/372 - Sulfides

66.

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

67.

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]

68.

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

69.

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

70.

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

71.

NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME

      
Application Number 19320838
Status Pending
Filing Date 2025-09-05
First Publication Date 2026-03-12
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Donghee
  • Suh, Sang Duk
  • Jung, Min Woo
  • Lee, Sunmi
  • Jeong, Dongyeun

Abstract

A compound of Chemical Formula 1: A compound of Chemical Formula 1: A compound of Chemical Formula 1: where: A is a naphthalene ring, B is a C6-20 aromatic ring, and A and B are fused with a neighboring pentagonal ring; X are each independently N or CR, and at least one X is N; R1 is hydrogen, deuterium, tritium, substituted or unsubstituted C6-60 aryl, or substituted or unsubstituted C2-60 heteroaryl including O or S, and R2 is hydrogen, deuterium, tritium, or substituted or unsubstituted C2-60 heteroaryl including O or S, but neither R1 or R2 is 4-dibenzofuranyl or 4-dibenzothiophenyl, and R1 and R2 are not simultaneously hydrogen, deuterium, or tritium; Ar1 and Ar2 are each independently substituted or unsubstituted C1-60 alkyl, substituted or unsubstituted C6-60 aryl, or substituted or unsubstituted C2-60 heteroaryl including one or more of N, O and S; and the other substituents are defined in the specification; and an organic light emitting device including the same.

IPC Classes  ?

  • C07D 403/10 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a carbon chain containing aromatic rings
  • C07B 59/00 - Introduction of isotopes of elements into organic compounds
  • C07D 209/86 - CarbazolesHydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
  • C07D 405/14 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
  • C07D 409/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
  • H10K 50/13 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light comprising stacked EL layers within one EL unit
  • H10K 85/60 - Organic compounds having low molecular weight

72.

ORGANIC LIGHT EMITTING DEVICE

      
Application Number 19383047
Status Pending
Filing Date 2025-11-07
First Publication Date 2026-03-12
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Suh, Sang Duk
  • Jung, Min Woo
  • Lee, Jungha
  • Han, Su Jin
  • Park, Seulchan
  • Hwang, Sunghyun
  • Lee, Dong Hoon

Abstract

A mixture for an organic light emitting device, comprising of a first compound of Chemical Formula 1 and a second compound of Chemical Formula 2: A mixture for an organic light emitting device, comprising of a first compound of Chemical Formula 1 and a second compound of Chemical Formula 2: A is a benzene ring fused with the two pentagonal rings; Ar1 to Ar3 are each independently a substituted or unsubstituted C6-60 aryl or C5-60 heteroaryl containing one or more of N, O and S; provided that at least one of Ar1-Ar3, and R1 is substituted with at least one deuterium, or at least one of R1 is deuterium, and the first compound comprises at least 5 deuteriums; A mixture for an organic light emitting device, comprising of a first compound of Chemical Formula 1 and a second compound of Chemical Formula 2: A is a benzene ring fused with the two pentagonal rings; Ar1 to Ar3 are each independently a substituted or unsubstituted C6-60 aryl or C5-60 heteroaryl containing one or more of N, O and S; provided that at least one of Ar1-Ar3, and R1 is substituted with at least one deuterium, or at least one of R1 is deuterium, and the first compound comprises at least 5 deuteriums; B is a benzene ring fused with the two pentagonal rings; Ar4 is a substituted or unsubstituted C6-60 aryl; and Ar5 is a substituted or unsubstituted C6-60 aryl or C5-60 heteroaryl containing one of N, O and S, and the other substituents are as defined in the specification.

IPC Classes  ?

  • C07D 487/04 - Ortho-condensed systems
  • H10K 50/11 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
  • H10K 85/60 - Organic compounds having low molecular weight

73.

Super Absorbent Polymer Composition and Preparation Method Thereof

      
Application Number 19390856
Status Pending
Filing Date 2025-11-17
First Publication Date 2026-03-12
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Kim, Sujin
  • Kim, Jun Kyu

Abstract

There are provided a superabsorbent polymer composition and a method for preparing the same, more specifically, a superabsorbent polymer composition exhibiting excellent absorption performance and a method for preparing the same.

IPC Classes  ?

  • B01J 20/26 - Synthetic macromolecular compounds
  • B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
  • B01J 20/30 - Processes for preparing, regenerating or reactivating

74.

Method for Recycling Waste Silicone Cartridge

      
Application Number 19107137
Status Pending
Filing Date 2024-05-30
First Publication Date 2026-03-12
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Kim, Dodam
  • Lim, Yongchan
  • Oh, Hyun Taek
  • Lee, Sangho
  • Lee, Sooyoung
  • Kim, Jae Young
  • Han, Jungjin

Abstract

A method for recycling a waste silicone cartridge according to an exemplary embodiment of the present application comprises the steps of crushing a waste silicone cartridge containing high-density polyethylene (HDPE) and silicone sealant; subjecting the waste silicone cartridge to surface friction processing; and recovering the high-density polyethylene (HDPE) from the waste silicone cartridge. The surface friction processing comprises in an exemplary embodiment: putting the crushed waste silicone cartridge into a drive part, and generating friction on a surface of the waste silicone cartridge using the drive part.

IPC Classes  ?

  • B29B 17/02 - Separating plastics from other materials
  • B29B 13/06 - Conditioning or physical treatment of the material to be shaped by drying
  • B29B 17/04 - Disintegrating plastics

75.

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  ?

76.

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

77.

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

78.

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

79.

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

80.

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

81.

Polyethylene Composition And Biaxially Stretched Film Comprising Same

      
Application Number 19382609
Status Pending
Filing Date 2025-11-07
First Publication Date 2026-03-05
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Lee, Jong Chan
  • Choi, Eun Yeob
  • Sung, Yu Taek
  • Kim, Tae Jin
  • Lee, Jeong Kyu
  • Park, Se Jung
  • Oh, Sung Joon
  • You, Young Suk

Abstract

A polyethylene composition may include one or more types of ethylene-alpha-olefin copolymers. In the polyethylene composition, a successive self-nucleation and annealing (SSA) thermogram representing a relationship between heat flow and temperature satisfies Equation 1:0.16≤B/A≤0.4. In Equation 1, A means an area for an entire temperature region in the SSA thermogram, and B means an area for a temperature region of 128° C. or higher in the SSA thermogram. A biaxially stretched film may include the polyethylene composition.

IPC Classes  ?

  • C08L 23/0807 - Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
  • B29C 55/12 - Shaping by stretching, e.g. drawing through a dieApparatus therefor of plates or sheets multiaxial biaxial
  • C08F 2/00 - Processes of polymerisation
  • C08F 210/02 - Ethene
  • C08J 5/18 - Manufacture of films or sheets

82.

POLYALKYLENE CARBONATE-POLYACTIC ACID COMPOSITE, METHOD OF PREPARING THE SAME, AND MOLDED ARTICLE PREPARED BY USING THE COMPOSITE

      
Application Number 19386107
Status Pending
Filing Date 2025-11-11
First Publication Date 2026-03-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Sung Kyoung
  • Park, Seung Young

Abstract

The present disclosure relates to a polyalkylene carbonate-polylactic acid composite having improved mechanical properties as well as excellent transparency and flexibility, a method of preparing the same, and a molded article prepared by using the polyalkylene carbonate-polylactic acid composite.

IPC Classes  ?

  • C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
  • C08J 3/11 - Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids from solid polymers
  • C08L 67/04 - Polyesters derived from hydroxy carboxylic acids, e.g. lactones

83.

COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME

      
Application Number 19101064
Status Pending
Filing Date 2024-03-29
First Publication Date 2026-03-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Ha, Jae Seung
  • Geum, Sujeong
  • Lee, Da Jung
  • Jeon, Jiye
  • Cho, Woo Jin
  • Choi, Ji Young
  • Lee, Woochul

Abstract

A compound of Chemical Formula 1: A compound of Chemical Formula 1: A compound of Chemical Formula 1: wherein X1 and X2 are the same as or different from each other, and are each independently O or S; n is an integer from 1 to 4, and when n is 2 or higher, the L101s are the same as or different from each other; and the other substituents are as defined in the specification; and an organic light-emitting device including the same. An organic light emitting device using the compound of Chemical Formula 1 can have a low driving voltage, high light emitting efficiency, or a long service life.

IPC Classes  ?

  • H10K 50/12 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
  • C07D 307/92 - NaphthofuransHydrogenated naphthofurans
  • H10K 85/60 - Organic compounds having low molecular weight
  • H10K 101/00 - Properties of the organic materials covered by group

84.

SOLID ELECTROLYTE, METHOD OF PREPARING THE SAME, AND ALL-SOLID-STATE BATTERY INCLUDING THE SOLID ELECTROLYTE

      
Application Number 19105257
Status Pending
Filing Date 2023-10-31
First Publication Date 2026-03-05
Owner
  • LG CHEM, LTD. (Republic of Korea)
  • IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY) (Republic of Korea)
Inventor
  • Lee, Seong Ho
  • Song, Tae Seup
  • Kim, Jeong Heon
  • Lee, Seung Woo
  • Park, Chang Hun
  • Min, Sang Hyuk
  • Son, Byoung Kuk

Abstract

The present invention relates to a sulfide-based solid electrolyte having excellent moisture stability and ionic conductivity, a method of preparing the same, and an all-solid-state battery including the sulfide-based solid electrolyte, wherein the present invention provides a solid electrolyte which includes a core portion including sulfide-based solid electrolyte particles; and a surface portion which is formed on the core portion and includes fluorine-doped sulfide-based solid electrolyte particles, wherein the surface portion includes a concentration gradient region in which a concentration of a fluorine (F) atom is decreased from a surface of the surface portion toward the core portion, a method of preparing the same, and an all-solid-state battery including the solid electrolyte.

IPC Classes  ?

85.

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

86.

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

87.

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

88.

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

89.

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

90.

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  ?

91.

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

92.

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

93.

Method of Producing Positive Electrode Active Material for Lithium Secondary Battery and Positive Electrode Active Material for Lithium Secondary Battery Produced Thereby

      
Application Number 19343013
Status Pending
Filing Date 2025-09-29
First Publication Date 2026-03-05
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Kwak, No Woo
  • Lee, Hyuck
  • Mok, Duck Gyun
  • Son, Min Hee

Abstract

A positive electrode active material contains a lithium transition metal oxide in the form of a secondary particle in which primary particles are aggregated, wherein a zirconium-containing coating film is formed on the surface of the lithium transition metal oxide secondary particle and at the interface between the primary particles present inside the secondary particle. A method of making the positive electrode active material is also provided.

IPC Classes  ?

  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • 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 4/02 - Electrodes composed of, or comprising, active material
  • 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 4/505 - 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 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

94.

POLYETHYLENE COMPOSITION AND BIAXIALLY STRETCHED FILM COMPRISING THE SAME

      
Application Number 19106589
Status Pending
Filing Date 2023-09-22
First Publication Date 2026-03-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Park, Cheol Hun
  • You, Youngsuk
  • Kim, Yeonsoo
  • Kim, Taejin
  • Lee, Sanghwa
  • Kim, Inkyo
  • Choi, Eun Yeob

Abstract

The present disclosure relates to a polyethylene composition suitable for a biaxially stretched film, which has excellent stretching stability and high shrinkage resistance while maintaining excellent mechanical properties.

IPC Classes  ?

  • C08L 23/0807 - Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
  • C08J 5/18 - Manufacture of films or sheets

95.

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

96.

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

97.

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

98.

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

99.

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

100.

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
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