LG Chem, Ltd.

Republic of Korea

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[Owner] LG Chem, Ltd. 6,143
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2026 April (MTD) 6
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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 524
C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials 412
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) 326
H10K 85/60 - Organic compounds having low molecular weight 316
C08J 5/18 - Manufacture of films or sheets 232
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Pending 1,189
Registered / In Force 4,954
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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.

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

3.

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

4.

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  ?

5.

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

6.

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

7.

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

8.

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

9.

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  ?

10.

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

11.

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

12.

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

13.

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

14.

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

15.

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

16.

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

17.

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

18.

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

19.

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

20.

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

21.

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

22.

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

23.

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

24.

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

25.

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

26.

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

27.

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

28.

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

29.

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

30.

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  ?

31.

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

32.

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

33.

Polymer Composition

      
Application Number 19104543
Status Pending
Filing Date 2023-09-01
First Publication Date 2026-02-26
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Ham, Kyung Rok
  • Choi, Hyung Sam
  • Yun, Hae Sung
  • Cho, Beom Shin
  • Chung, Da Sol

Abstract

A polymer composition may have excellent biodegradability and absorption capacity. The polymer composition may include a polysaccharide component. The polymer composition may have excellent biodegradability and absorption capacity by controlling the ratio of amylose in the polysaccharide component, the ratio of amylopectin in the polysaccharide component, and the molecular weight of the polysaccharide component.

IPC Classes  ?

  • A61L 15/28 - Polysaccharides or their derivatives
  • A61L 15/60 - Liquid-swellable gel-forming materials, e.g. super-absorbents

34.

SOLID ELECTROLYTE, METHOD FOR PREPARING SAME, AND ALL-SOLID-STATE BATTERY COMPRISING SAME

      
Application Number 19104900
Status Pending
Filing Date 2024-01-30
First Publication Date 2026-02-26
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Jeon, Do Yeon
  • Park, Chang Hun
  • Kim, In Gyu
  • Chung, Ha Bin
  • Lee, Dong Geon

Abstract

The present invention is an invention for improving the air stability of a typical sulfide-based solid electrolyte, and relates to a solid electrolyte having a composition represented by Formula 1 described herein, a method for preparing the same, and an all-solid-state battery including the same.

IPC Classes  ?

  • H01M 10/0562 - Solid materials
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

35.

SOLID ELECTROLYTE AND ALL-SOLID-STATE BATTERY INCLUDING THE SAME

      
Application Number 19104926
Status Pending
Filing Date 2024-03-29
First Publication Date 2026-02-26
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Jeon, Do Yeon
  • Lee, Seong Ho
  • Park, Chang Hun
  • Hwang, Jin Young
  • Lee, Paeng Ro
  • Chung, Ha Bin

Abstract

The present invention relates to a solid electrolyte that includes sulfide-based solid electrolyte particles; and a buffer layer including Li2CO3 that is formed on the sulfide-based solid electrolyte particle, wherein, in a near-infrared (NIR) spectrum, an integral value of a Li2CO3 band present in a range of 5,200 cm−1 to 4,725 cm−1 is in a range of 2.0 to 8.0, and an all-solid-state battery including the same.

IPC Classes  ?

  • H01M 10/0562 - Solid materials
  • H01M 4/02 - Electrodes composed of, or comprising, active material
  • 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 10/052 - Li-accumulators

36.

Method for Vaporizing Lactic Acid, and Method for Preparing Acrylic Acid from Lactic Acid

      
Application Number 19115882
Status Pending
Filing Date 2024-01-19
First Publication Date 2026-02-26
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Hong, Daeho
  • Lee, Jiyoung
  • Jeong, Hoiin
  • Yeo, Gyeong Cheol
  • Hwang, Kyeong Hwan

Abstract

A method for vaporizing lactic acid includes mixing and spraying a first stream in a liquid phase containing a lactic acid aqueous solution and a second stream in a gas phase containing a lactic acid vapor; vaporizing the lactic acid aqueous solution by heat exchange between the first stream and the second stream; and obtaining a third stream in a gas phase containing a single-molecule lactic acid. An apparatus including the same is also provided. A method for preparing acrylic acid from lactic acid is also provided.

IPC Classes  ?

  • C07C 51/377 - Preparation of carboxylic acids or their salts, halides, or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groupsPreparation of carboxylic acids or their salts, halides, or anhydrides by reactions not involving formation of carboxyl groups by hydrogenolysis of functional groups

37.

Polymer Composition

      
Application Number 19101309
Status Pending
Filing Date 2023-08-22
First Publication Date 2026-02-19
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Kang, Sun Ah
  • Cho, Beom Shin
  • Yun, Hae Sung
  • Choi, Hyung Sam
  • Ham, Kyung Rok

Abstract

The present specification discloses a polymer composition. Th polymer composition comprises a polysaccharide component, where the polysaccharide component contains a radically polymerizable functional group and a non-radically polymerizable functional group. Such a polysaccharide component can form a polymer including polymer chains formed by the polymerization of the radically polymerizable functional groups and covalent bonds formed by the reaction of the non-radically polymerizable functional groups. The polymer can form an absorbent material having excellent absorptivity, form a biodegradable material having excellent biodegradability, or form a material which is an absorbent material and simultaneously a biodegradable material. The present application can also provide a use of the polymer composition or the polymer.

IPC Classes  ?

38.

CARBON NANOTUBE DISPERSION AND METHOD FOR PREPARING THE SAME

      
Application Number 19111072
Status Pending
Filing Date 2024-02-22
First Publication Date 2026-02-19
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 a cyclic amide group, the second dispersant is a polymer compound comprising both a sulfonyl group and styrene, and a weight ratio of the carbon nanotubes and the dispersant is 100:50 to 100:500, thereby having low viscosity and a small particle size of particles contained therein.

IPC Classes  ?

  • C01B 32/174 - DerivatisationSolubilisationDispersion in solvents

39.

Electrode for Lithium Secondary Battery and Method for Manufacturing the Same

      
Application Number 18727226
Status Pending
Filing Date 2023-03-07
First Publication Date 2026-02-19
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Han, Sung-Jae
  • Mun, Sung Cik
  • Lee, Joo-Sung
  • Jung, Kil-An
  • Kim, Min-Soo
  • Seo, Jung-Hyun
  • Jung, Soon-Hwa

Abstract

Disclosed is an electrode for a lithium secondary battery which shows reinforced adhesion between an electrode current collector and an electrode active material layer and can prevent the electrode active material from being separated from the electrode current collector, even when a crosslinked binder is contained in the electrode active material layer. Also disclosed is a method for manufacturing the electrode for a lithium secondary battery. The electrode for a lithium secondary battery, includes: an electrode current collector; an adhesion-enhancing layer disposed on at least one surface of the electrode current collector, and containing a first binder and a first conductive material; and an electrode active material layer disposed on the top surface of the adhesion-enhancing layer, and containing an electrode active material, a second conductive material and a second binder, wherein the first binder and the second binder include a binder polymer having a crosslinked structure.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • C09D 171/02 - Polyalkylene oxides
  • H01M 4/04 - Processes of manufacture in general
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 4/1391 - Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

40.

Positive Electrode Active Material, and Positive Electrode and Lithium Secondary Battery Which Include the Same

      
Application Number 19104428
Status Pending
Filing Date 2023-09-05
First Publication Date 2026-02-19
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Gu, Ye Hyeon
  • Jeong, Jin Hoo
  • Shim, Jong Hyun
  • Hwang, Jook Young
  • Lee, Ji Young
  • Ryu, Hyeon Mo

Abstract

A positive electrode active material includes a lithium transition metal composite oxide in a form of a single particle containing nickel, cobalt, and manganese, wherein the lithium transition metal composite oxide contains 60 mol % or more of the nickel among total transition metals and has a D50 of 5 μm or more. A positive electrode and a lithium secondary battery including the positive electrode active material are also provided.

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 4/02 - 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
  • H01M 50/40 - SeparatorsMembranesDiaphragmsSpacing elements inside cells

41.

Separation System

      
Application Number 19104505
Status Pending
Filing Date 2024-05-10
First Publication Date 2026-02-19
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Hwang, Moon Sub
  • Lee, Jeong Seok
  • Song, Jong Hun
  • Baek, Se Won
  • Pak, Geun Tae

Abstract

A separation system may include a distillation column with a separation wall, a reboiler, and a condenser. The separation system may improves separation efficiency by changing a structure of a bottom area of a distillation column in an oligomerization process to improve a circulation system.

IPC Classes  ?

42.

Carbon Dioxide Electrolysis Device and Method

      
Application Number 18718276
Status Pending
Filing Date 2023-01-18
First Publication Date 2026-02-19
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Noh, Tai Min
  • Lee, Jong Jin
  • Kim, Tae Keun
  • Kim, Kwang Hwan
  • Noh, Tae Geun

Abstract

Provided is a carbon dioxide electrolysis device including: a carbon dioxide electrolysis cell including an anode, a cathode, an electrolyte, and a membrane disposed between the anode and the cathode. The carbon dioxide electrolysis device further includes; a supply line configured to supply gaseous carbon dioxide and water vapor to the cathode; and a discharge line configured to discharge, into the outside of the carbon dioxide electrolysis cell, the water vapor and a product produced by the electrolysis reaction of the gaseous carbon dioxide inside the carbon dioxide electrolysis cell, wherein the discharge line includes a condensation part configured to condense the water vapor discharged through the discharge line.

IPC Classes  ?

  • C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes
  • C25B 1/23 - Carbon monoxide or syngas
  • C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms

43.

Aerogel composite

      
Application Number 19192745
Grant Number 12551859
Status In Force
Filing Date 2025-04-29
First Publication Date 2026-02-17
Grant Date 2026-02-17
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Kim, Mi Ri
  • Hahm, Yun Hye
  • Oh, Kyoungshil

Abstract

An aerogel composite may include a substrate and an aerogel, where a ratio of a carbon content in a surface of the aerogel composite to a total carbon content of the aerogel composite is from 2 to 3. The aerogel composite, when used in a high-temperature environment, may generate a low amount of a volatile organic compound (VOC), so that the generation of a bad odor is suppressed, and the hydrophobicity is high.

IPC Classes  ?

  • B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons

44.

Polyolefin Separator and Method for Manufacturing the Same

      
Application Number 19362873
Status Pending
Filing Date 2025-10-20
First Publication Date 2026-02-12
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Han, Sung-Jae
  • Lee, Joo-Sung
  • Bae, Won-Sik
  • Ryu, Bi-Oh

Abstract

A polyolefin separator is provided in the present disclosure. The polyolefin separator includes a polyolefin porous substrate including a plurality of fibrils and pores formed by the fibrils draped across one another. A coating layer surrounding the outer side of the fibrils is contained in the polyolefin porous substrate and the coating layer includes a crosslinked polymer, wherein the polyolefin separator having the coating layer has a change in air permeability of 20% or less and a change in basis weight of 4% or less, as compared to the polyolefin porous substrate. A method for manufacturing the polyolefin separator and a secondary battery including the polyolefin separator are also disclosed.

IPC Classes  ?

  • H01M 50/403 - Manufacturing processes of separators, membranes or diaphragms
  • H01M 50/409 - Separators, membranes or diaphragms characterised by the material
  • H01M 50/417 - Polyolefins
  • H01M 50/449 - Separators, membranes or diaphragms characterised by the material having a layered structure
  • H01M 50/489 - Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
  • H01M 50/491 - Porosity

45.

Positive Electrode Active Material and Method of Preparing the Same

      
Application Number 18862241
Status Pending
Filing Date 2023-05-22
First Publication Date 2026-02-12
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Jung, Won Sig
  • Baek, Hyeon Hui
  • Kim, Sang Jun
  • Kim, Jong Pil
  • Park, Hyun Ah
  • Lee, Kang Hyeon
  • Rhee, Tae Young

Abstract

A positive electrode active material in a form of a single particle includes a lithium transition metal oxide in a form of a single particle, a coating portion containing cobalt which is formed on the lithium transition metal oxide in the form of the single particle, and LiCoO2 in a form of an island which is discontinuously formed on a surface of the positive electrode active material. A ratio of an intensity of a peak ranging from 550 cm−1 to 620 cm−1 corresponding to an A1g vibration mode of LiCoO2 to an intensity of a peak ranging from 500 cm−1 to 600 cm−1 corresponding to an A1g vibration mode of LiNiO2 in a Raman spectrum of the surface is greater than 1. Also provided is a method of preparing the same.

IPC Classes  ?

  • C01G 53/506 - 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 containing lithium and cobalt with the molar ratio of nickel with respect to all the metals other than alkali metals higher than or equal to 0.5, e.g. Li(MzNixCoyMn1-x-y-z)O2 with x ≥ 0.5 with the molar ratio of nickel with respect to all the metals other than alkali metals higher than or equal to 0.8, e.g. Li(MzNixCoyMn1-x-y-z)O2 with x ≥ 0.8
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

46.

Method and System for Determining Similarity by Comparing 1H-NMR and 1H-1H Cosy NMR Spectra

      
Application Number 18998899
Status Pending
Filing Date 2024-01-10
First Publication Date 2026-02-12
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Jo, Seong In
  • Lee, Kyu Hwang
  • Kim, Jae Hyun
  • Park, Sae Bo Mi
  • Kim, Eun Hee
  • Oh, Jeong Min
  • Bae, Yong Jin

Abstract

A system and method for estimating a molecular structure by verifying structural features included in a molecular structure as structural features of a candidate molecular structure is provided The system and method compare an NMR spectrum of a target substance with spectra of candidates generated from the verified candidate molecular structure to determine a similar candidate molecular structure based on the-spectrum information.

IPC Classes  ?

  • G01N 24/08 - Investigating or analysing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance
  • G01R 33/46 - NMR spectroscopy
  • G16C 20/20 - Identification of molecular entities, parts thereof or of chemical compositions
  • G16C 20/40 - Searching chemical structures or physicochemical data
  • G16C 20/70 - Machine learning, data mining or chemometrics

47.

POLYMER

      
Application Number 19100462
Status Pending
Filing Date 2023-10-17
First Publication Date 2026-02-12
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Shin, Young Jun
  • Kim, Hyun Cheol

Abstract

The present application can provide a polymer, a cross-linkable composition comprising the same, a method for producing the cross-linkable composition, and a use of the polymer or the cross-linkable composition. The present application can provide a polymer capable of forming a material having an excellent antistatic function, a cross-linkable composition and a production method thereof, and a use thereof. The present application can provide a polymer which can exhibit an antistatic function without adding a separate antistatic agent, does not bleed the ingredient exerting the antistatic function, is easy to store, and can maintain performance of a pressure-sensitive adhesive after being applied to the relevant pressure-sensitive adhesive, and the like, a cross-linkable composition, a production method thereof, and a use thereof.

IPC Classes  ?

48.

MICROORGANISM SIMULTANEOUSLY PRODUCING 1,3-PROPANEDIOL AND 3-HYDROXYPROPIONIC ACID, AND USE THEREOF

      
Application Number 19111208
Status Pending
Filing Date 2023-11-30
First Publication Date 2026-02-12
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Sung, Min Kyung
  • Yeom, Sujin
  • Kang, Donggyun
  • Kim, Jae Hyung

Abstract

The present specification relates to a microorganism into which a GPD gene, a GPP gene, and dhaB, gdrAB, aldH and/or yqhD genes are introduced, and/or use thereof, the microorganism being capable of simultaneously producing 1,3-PDO and 3-HP.

IPC Classes  ?

  • C12N 15/70 - Vectors or expression systems specially adapted for E. coli
  • C12N 9/04 - Oxidoreductases (1.), e.g. luciferase acting on CHOH groups as donors, e.g. glucose oxidase, lactate dehydrogenase (1.1)
  • C12N 9/10 - Transferases (2.)
  • C12N 9/12 - Transferases (2.) transferring phosphorus containing groups, e.g. kinases (2.7)
  • C12N 9/16 - Hydrolases (3.) acting on ester bonds (3.1)
  • C12N 15/74 - Vectors or expression systems specially adapted for prokaryotic hosts other than E. coli, e.g. Lactobacillus, Micromonospora
  • C12P 7/18 - Preparation of oxygen-containing organic compounds containing a hydroxy group acyclic polyhydric
  • C12P 7/52 - Propionic acidButyric acids

49.

Super Absorbent Polymer

      
Application Number 19292312
Status Pending
Filing Date 2025-08-06
First Publication Date 2026-02-12
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Shin, Kwangin
  • Hwang, Jinyoung
  • Park, Sung Soo
  • Lee, Junwye
  • Park, Dong Hoon

Abstract

Provided is a super absorbent polymer, which is a polyacrylic acid (salt)-based super absorbent polymer, and comprises carbon, oxygen, and silicon on a surface thereof, wherein a spectrum derived from analyzing the surface of the super absorbent polymer via Fourier-transform infrared spectroscopy (FT-IR) satisfies Equation 1: Provided is a super absorbent polymer, which is a polyacrylic acid (salt)-based super absorbent polymer, and comprises carbon, oxygen, and silicon on a surface thereof, wherein a spectrum derived from analyzing the surface of the super absorbent polymer via Fourier-transform infrared spectroscopy (FT-IR) satisfies Equation 1: X COOH ≤ 2 . 6 [ Equation ⁢ 1 ] wherein in Equation 1, XCOOH is a value determined by dividing an integrated value of a region corresponding to a COOH functional group within the spectrum by an integrated value of a region corresponding to a CH2 functional group within the spectrum.

IPC Classes  ?

  • B01J 20/26 - Synthetic macromolecular compounds
  • B01J 20/30 - Processes for preparing, regenerating or reactivating
  • B01J 20/32 - Impregnating or coating

50.

Polymer Material

      
Application Number 18861736
Status Pending
Filing Date 2023-05-19
First Publication Date 2026-02-12
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Cho, Beom Shin
  • Lee, Mi Yeon
  • Yun, Hae Sung
  • Choi, Hyung Sam
  • Ham, Kyung Rok

Abstract

The present application relates to a polymer material and a use thereof. The present application can provide a polymer material having both excellent biodegradability and absorptivity by using a polysaccharide component capable of efficient cross-linking while using no cross-linking agent that can adversely affect biodegradability, or using the relevant component to the minimum. The present application can also provide a use of the polymer material.

IPC Classes  ?

51.

RECOMBINANT FUSION PROTEIN FOR ANTIGEN DELIVERY AND USES THEREOF

      
Application Number 18998918
Status Pending
Filing Date 2023-07-31
First Publication Date 2026-02-12
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Cho, Seong Je
  • Min, Kyeongsik
  • Kim, Dae Hee
  • Kim, Youngmok
  • Shin, Do Woon
  • Ryu, Su Jeong
  • Kim, Han Byul
  • Kim, Da Eun
  • Jang, Sung Woong
  • Park, Jun Gyu

Abstract

The present invention relates to a fusion protein comprising a peptide antigen containing a T cell epitope, a first carrier protein linked to the N-terminus of the peptide antigen, and a second carrier protein linked to the C-terminus of the peptide antigen; a nucleic acid molecule encoding the fusion protein; an expression vector containing the nucleic acid molecule; a cell transformed with the expression vector; and an immunogenic composition comprising the fusion protein, the nucleic acid molecule, the expression vector, or the cell.

IPC Classes  ?

  • A61K 39/00 - Medicinal preparations containing antigens or antibodies
  • A61P 37/04 - Immunostimulants
  • C07K 14/435 - Peptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof from animalsPeptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof from humans

52.

COPOLYMER AND PREPARATION METHOD OF COPOLYMER

      
Application Number 19099591
Status Pending
Filing Date 2023-12-06
First Publication Date 2026-02-12
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Park, Sai Bom
  • Park, Hyungil
  • Kang, Donggyun
  • Kim, Chul Woong
  • Lee, Hokeun

Abstract

The present invention relates to a copolymer having excellent mechanical properties along with environmental affinity and biodegradability, and a preparation method of the copolymer.

IPC Classes  ?

  • C08G 63/08 - Lactones or lactides
  • C08G 63/664 - Polyesters containing oxygen in the form of ether groups derived from hydroxycarboxylic acids
  • C08G 63/85 - Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof

53.

Composition

      
Application Number 19102075
Status Pending
Filing Date 2023-08-30
First Publication Date 2026-02-12
Owner
  • LG Chem, Ltd. (Republic of Korea)
  • LG Energy Solution, Ltd. (Republic of Korea)
Inventor
  • Lee, Seung Min
  • Choi, Bum
  • Jung, Jin-Mi
  • Lee, Hong Chan
  • Kim, Gae Sung
  • Ahn, Soo Jun
  • Park, Tae Young

Abstract

A composition of the present application can be applied to a product that generates heat in driving or maintenance processes, thereby being used as a material capable of treating the heat. The composition of the present application can be applied to a product in which a plurality of heat-generating elements is integrated, thereby efficiently treating the heat generated from the elements while maintaining the temperature of the product uniformly. In addition, when the composition is applied to a product, even if abnormal heat generation, explosion or ignition occurs in any one element among a plurality of elements in the product, it is possible to prevent or minimize the effect of such heat generation, explosion, or ignition on other adjacent elements.

IPC Classes  ?

  • C08K 5/00 - Use of organic ingredients
  • C08G 77/20 - Polysiloxanes containing silicon bound to unsaturated aliphatic groups
  • H01M 50/213 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
  • H01M 50/293 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by spacing elements or positioning means within frames, racks or packs characterised by the material

54.

THERMOPLASTIC RESIN AND METHOD OF PREPARING THE SAME

      
Application Number 19354773
Status Pending
Filing Date 2025-10-09
First Publication Date 2026-02-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Park, Jangwon
  • Hwang, Yong Yeon
  • Ahn, Bong Keun
  • Kim, Min Jung
  • Jeon, Jiyoon
  • Lee, Eunji
  • Kim, Seyong

Abstract

A method of preparing a thermoplastic resin including kneading and extruding an alkyl acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A), or an alkyl acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A) and a matrix resin (B) including one or more selected from the group consisting of an aromatic vinyl compound, a vinyl cyanide compound, an alkyl methacrylate, and an alkyl acrylate. A total content of the alkyl acrylate included in the thermoplastic resin is 20 to 50% by weight. An alkyl acrylate coverage value (X) of the thermoplastic resin as calculated by Equation 1 (X={(G−Y)/Y}×100) is 65 or more. In Equation 1, G represents a total gel content (%) of the thermoplastic resin, and Y represents a content (% by weight) of the alkyl acrylate in the gel of the thermoplastic resin.

IPC Classes  ?

  • C08L 51/00 - 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
  • C08F 265/06 - Polymerisation of acrylate or methacrylate esters on to polymers thereof

55.

MANUFACTURING METHOD OF POLYLACTIC ACID BLOWN FILM

      
Application Number 18876421
Status Pending
Filing Date 2024-02-29
First Publication Date 2026-02-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Park, Si Jung
  • Yoo, Kihyun
  • Oh, Wan Kyu
  • Woo, Won Hee
  • Moon, Junsoo

Abstract

A method for manufacturing a polylactic acid blown film, the method including preparing a mixture containing polylactide polymer and epoxy-group-containing acrylate terpolymer; subjecting the mixture to reactive extrusion to prepare branched polylactide polymer pellets; and subjecting the pellets to blown extrusion to manufacture a blown film, wherein the epoxy-group-containing acrylate terpolymer includes 30-50 wt % repeat units from first alkyl(meth)acrylate monomers, 30-60 wt % repeat units from glycidyl(meth)acrylate monomers, and 10-20 wt % repeat units from second alkyl(meth)acrylate monomers, and the first alkyl(meth)acrylate monomers and the second alkyl(meth)acrylate monomers are different, and the mixture of step 1 includes the epoxy-group-containing acrylate terpolymer an amount of 0.1 parts by weight or more to less than 1.0 part by weight, based on 100 parts by weight of the polylactide polymer. The polylactic acid blown film has high transparency and excellent surface property and can be provided without an additive such as a plasticizer.

IPC Classes  ?

  • B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired formApparatus therefor
  • B29B 9/12 - Making granules characterised by structure or composition
  • B29C 48/08 - Flat, e.g. panels flexible, e.g. films
  • B29K 67/00 - Use of polyesters as moulding material

56.

CATALYTIC CRACKING METHOD OF PVC WASTE

      
Application Number 18880448
Status Pending
Filing Date 2023-10-25
First Publication Date 2026-02-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Ahn, Seong Yong
  • Kim, Kyoungsoo
  • Kang, Sang Wook

Abstract

A method for catalytic cracking of PVC waste using a zeolite catalyst to obtain a hydrocarbon mixture of gas components that are useful resources. The catalytic cracking method has high selectivity of useful components and can lower the content of chlorine, a harmful component.

IPC Classes  ?

  • C10B 57/06 - Other carbonising or coking processesFeatures of destructive distillation processes in general using charges of special composition containing additives
  • B01J 29/46 - Iron group metals or copper
  • B01J 29/76 - Iron group metals or copper
  • B01J 35/45 - Nanoparticles
  • B01J 35/61 - Surface area
  • B01J 35/63 - Pore volume
  • B01J 35/64 - Pore diameter
  • B01J 37/00 - Processes, in general, for preparing catalystsProcesses, in general, for activation of catalysts
  • B01J 37/03 - PrecipitationCo-precipitation
  • B01J 37/04 - Mixing
  • B01J 37/08 - Heat treatment
  • C01B 32/324 - Preparation characterised by the starting materials from waste materials, e.g. tyres or spent sulfite pulp liquor
  • C01B 32/336 - Preparation characterised by gaseous activating agents
  • C01B 32/348 - Metallic compounds
  • 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
  • C10B 57/00 - Other carbonising or coking processesFeatures of destructive distillation processes in general
  • C10B 57/14 - Features of low-temperature carbonising processes
  • C10G 1/08 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by destructive hydrogenation with moving catalysts

57.

A CATALYST FOR DEHYDRATION REACTION OF HYDROXYPROPIONIC ACID AND A METHOD FOR PREPARING THE SAME

      
Application Number 18997466
Status Pending
Filing Date 2024-06-07
First Publication Date 2026-02-05
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Han, Jun Kyu
  • Huang, Rui
  • Lee, Haeryeong
  • Kwon, Heon Yong
  • Bang, Jungup
  • Byun, Wonbae
  • Kim, Dongeun
  • Choi, Jae Soon
  • Kim, Mahnjung
  • Kim, Jaeyoung

Abstract

A catalyst for dehydration reaction of hydroxypropionic acid and derivatives thereof, and a preparation method thereof. The catalyst includes a molded body in which primary particles of hydroxyapatite are aggregated, wherein a volume average particle size of the primary particles is 15 μm to 150 μm, and a P value represented by the following Equation 1 is 3.5 to 19: A catalyst for dehydration reaction of hydroxypropionic acid and derivatives thereof, and a preparation method thereof. The catalyst includes a molded body in which primary particles of hydroxyapatite are aggregated, wherein a volume average particle size of the primary particles is 15 μm to 150 μm, and a P value represented by the following Equation 1 is 3.5 to 19: P = A * B / C [ Equation ⁢ 1 ] A catalyst for dehydration reaction of hydroxypropionic acid and derivatives thereof, and a preparation method thereof. The catalyst includes a molded body in which primary particles of hydroxyapatite are aggregated, wherein a volume average particle size of the primary particles is 15 μm to 150 μm, and a P value represented by the following Equation 1 is 3.5 to 19: P = A * B / C [ Equation ⁢ 1 ] wherein in Equation 1. A represents the volume average particle size (μm) value of powder, B represents a crush strength (N) value, and C represents a specific surface area (m2/g) value. The catalyst has very excellent life characteristics while exhibiting a high reaction yield and selectivity.

IPC Classes  ?

  • B01J 27/18 - PhosphorusCompounds thereof containing oxygen with metals
  • B01J 37/00 - Processes, in general, for preparing catalystsProcesses, in general, for activation of catalysts
  • C07C 51/377 - Preparation of carboxylic acids or their salts, halides, or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groupsPreparation of carboxylic acids or their salts, halides, or anhydrides by reactions not involving formation of carboxyl groups by hydrogenolysis of functional groups
  • C07C 55/00 - Saturated compounds having more than one carboxyl group bound to acyclic carbon atoms
  • C07C 57/04 - Acrylic acidMethacrylic acid

58.

Curable Composition

      
Application Number 18998284
Status Pending
Filing Date 2023-09-15
First Publication Date 2026-02-05
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Lee, Jeong Hyun
  • Son, Ho Yeon
  • Jun, Shin Hee

Abstract

A curable composition or thermal interface material, and the like can exhibit low adhesion force to a given adherend while exhibiting high thermal conductivity. Also, the low adhesion force can be achieved without using an adhesion force adjusting component such as a plasticizer or in a state where the use ratio thereof is minimized. The curable composition can also exhibit a precisely controlled curing rate and simultaneously have excellent curability. A product may comprise the curable composition, or a cured body thereof, or a thermal interface material thereof.

IPC Classes  ?

  • C08G 18/66 - Compounds of groups , , or
  • C08G 18/24 - Catalysts containing metal compounds of tin
  • C08G 18/34 - Carboxylic acidsEsters thereof with monohydroxyl compounds
  • C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
  • C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
  • C09K 5/14 - Solid materials, e.g. powdery or granular

59.

CURRENT COLLECTOR

      
Application Number 18996828
Status Pending
Filing Date 2023-08-02
First Publication Date 2026-02-05
Owner
  • LG CHEM, LTD. (Republic of Korea)
  • LG ENERGY SOLUTION, LTD. (Republic of Korea)
Inventor
  • Kang, Joon Koo
  • Kwon, Soon Ho
  • Kim, Ki Hwan
  • Koh, Jong Kwan
  • Kim, Min Gyu
  • Cho, Woo Hyung
  • Park, Sung Bin
  • Park, Eun Kyoung
  • Song, In Taek

Abstract

A current collector and a use thereof is disclosed. The current collector is capable of forming an electrode, which does not affect performance and operation of a secondary battery by exhibiting, in a normal state, excellent electrical characteristics including low resistance, and can ensure stability by blocking, in an abnormal state, energization of an electrode assembly through resistance increase, and a use thereof. An electrode, an electrode assembly and a secondary battery comprising the current collector are also described.

IPC Classes  ?

60.

Aerogel Composite

      
Application Number 19351442
Status Pending
Filing Date 2025-10-07
First Publication Date 2026-02-05
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Kim, Mi Ri
  • Han, Hye Kyung
  • Kim, Kyung Inn
  • Shin, Min Hwa
  • Oh, Kyoung Shil

Abstract

An aerogel composite has excellent thermal stability even when exposed to a high-temperature environment, thereby being capable of maintaining high heat insulation.

IPC Classes  ?

  • C01B 33/158 - PurificationDryingDehydrating
  • C01B 33/143 - Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates of aqueous solutions of silicates
  • C01B 33/154 - Preparation of hydrogels by acidic treatment of aqueous silicate solutions
  • F16L 59/02 - Shape or form of insulating materials, with or without coverings integral with the insulating materials
  • H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
  • H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells

61.

CATALYST FOR DEPOLYMERIZING POLYCARBONATE-BASED RESIN, AND DECOMPOSITION METHOD OF POLYCARBONATE-BASED RESIN, RECOVERY METHOD OF CATALYST FOR DEPOLYMERIZING POLYCARBONATE-BASED RESIN USING THE SAME

      
Application Number 18997740
Status Pending
Filing Date 2024-07-04
First Publication Date 2026-02-05
Owner
  • LG CHEM, LTD. (Republic of Korea)
  • KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION (Republic of Korea)
Inventor
  • Lee, Jeongbin
  • Hong, Mooho
  • Seo, Jihun
  • Seo, Sojung
  • Lee, Seunghun
  • Lee, Eunji
  • Lee, Joonbum

Abstract

A catalyst for depolymerizing a polycarbonate-based resin, the catalyst including a compound represented by Chemical Formula 1: A catalyst for depolymerizing a polycarbonate-based resin, the catalyst including a compound represented by Chemical Formula 1: A catalyst for depolymerizing a polycarbonate-based resin, the catalyst including a compound represented by Chemical Formula 1: where R1 and R2 are a straight chain alkyl having 1 to 3 carbon atoms, a preparation method thereof, and a decomposition method of a polycarbonate-based resin, and a recovery method of a catalyst for depolymerizing a polycarbonate-based resin.

IPC Classes  ?

  • B01J 31/02 - Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
  • C07D 233/58 - Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring nitrogen atoms
  • C08J 11/28 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic compounds containing nitrogen, sulfur or phosphorus

62.

COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME

      
Application Number 19339981
Status Pending
Filing Date 2025-09-25
First Publication Date 2026-01-29
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

The present specification relates to a compound of Chemical Formula 1: The present specification relates to a compound of Chemical Formula 1: The present specification relates to a compound of Chemical Formula 1: where X1 and X2 are the same as or different from each other, and are each independently O or S, L1 is a direct bond, a substituted or unsubstituted arylene group or a substituted or unsubstituted divalent heterocyclic group, and the other substituents are as described in the specification; and an organic light-emitting device including the same.

IPC Classes  ?

  • H10K 50/12 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
  • C07D 209/86 - CarbazolesHydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
  • H10K 85/40 - Organosilicon compounds, e.g. TIPS pentacene
  • H10K 85/60 - Organic compounds having low molecular weight
  • H10K 101/00 - Properties of the organic materials covered by group

63.

CATALYST FOR DECOMPOSITION OF AMMONIA, AND METHOD FOR DECOMPOSITION OF AMMONIA

      
Application Number 18998030
Status Pending
Filing Date 2024-02-13
First Publication Date 2026-01-29
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kang, Kyungyeon
  • Kim, Heewon
  • Yoon, Youngchan
  • Kim, Hyeonbin
  • Jeong, Byeongjun
  • Han, Sangbeom

Abstract

A catalyst for decomposition of ammonia, and a method for decomposition of ammonia in which a decomposition reaction of ammonia is performed in the presence of the catalyst, the catalyst including a carrier, and catalytically active components supported on the carrier, where the catalytically active components include i) ruthenium (Ru) as first metal; ii) lanthanum (La) as second metal: and iii) one or more of aluminum (Al) and Cerium (Ce) as third metal, and the catalyst has a porosity of 25% or more. The catalyst exhibits very high ammonia conversion rates, has little pressure difference between the front end and back end of the reactor, has high catalyst strength, and catalyst layer temperature difference is very small.

IPC Classes  ?

  • B01J 23/63 - Platinum group metals with rare earths or actinides
  • B01J 21/12 - Silica and alumina
  • B01J 35/55 - Cylinders or rings
  • B01J 35/64 - Pore diameter
  • C01B 3/04 - Production of hydrogen or of gaseous mixtures containing hydrogen by decomposition of inorganic compounds, e.g. ammonia

64.

Super Absorbent Polymer

      
Application Number 19258113
Status Pending
Filing Date 2025-07-02
First Publication Date 2026-01-29
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Kim, Kanguk
  • Park, Sung Soo
  • Shin, Kwangin
  • Lee, Junwye
  • Ko, Eunbyeol
  • Kim, Kyung Inn
  • Shin, Minhwa

Abstract

A super absorbent polymer of a polyacrylic acid (salt)-based super absorbent polymer, has a surface area of 45 mm−1 or more relative to an actual volume, and a deodorization rate of 40% or more according to the following Equation 1 for dimethyl disulfide (DMDS) or dimethyl trisulfide (DMTS): [Equation 1] Deodorization rate (%)=(1−Cs/Co)×100. In Equation 1, Cs is a peak area of an odor standard substance in a gas chromatography-mass spectrometry (GC-MS) graph for an odor standard substance solution that contacted the super absorbent polymer at 35° C. for 2 hours, and Co is a peak area of an odor standard substance in a gas chromatography-mass spectrometry graph for an odor standard substance solution that contacted a control group at 35° C. for 2 hours.

IPC Classes  ?

  • B01J 20/26 - Synthetic macromolecular compounds
  • B01J 20/02 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material
  • B01J 20/10 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
  • 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

65.

CURRENT COLLECTOR

      
Application Number 18995650
Status Pending
Filing Date 2023-08-02
First Publication Date 2026-01-29
Owner
  • LG CHEM, LTD. (Republic of Korea)
  • LG ENERGY SOLUTION, LTD. (Republic of Korea)
Inventor
  • Kang, Joon Koo
  • Kwon, Soon Ho
  • Kim, Ki Hwan
  • Park, Eun Kyoung
  • Song, In Taek
  • Koh, Jong Kwan
  • Park, Sung Bin
  • Kim, Min Gyu
  • Cho, Woo Hyung

Abstract

Disclosed is a current collector, and a method for using the current collector. The current collector is capable of forming an electrode, which does not affect performance and operation of a secondary battery by exhibiting, in a normal state, excellent electrical characteristics including low resistance, and can ensure stability by blocking, in an abnormal state, energization of an electrode assembly through resistance increase. The current collector is also capable of ensuring excellent adhesive force between layers forming the electrode.

IPC Classes  ?

  • H01M 4/66 - Selection of materials
  • C08G 61/12 - Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
  • C09D 5/24 - Electrically-conducting paints
  • C09D 165/00 - Coating compositions based on macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chainCoating compositions based on derivatives of such polymers
  • H01M 10/052 - Li-accumulators

66.

Apparatus and Method for Preparing Precursor

      
Application Number 18867642
Status Pending
Filing Date 2023-05-24
First Publication Date 2026-01-29
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Kim, Woo Hyun
  • Noh, Joon Ho
  • Kim, Seong Bae
  • Moon, Chang Jun

Abstract

An apparatus and method for preparing a precursor are described. The apparatus for preparing the precursor is an apparatus for preparing a precursor, which coprecipitation reacts a raw material to prepare the precursor, the apparatus including: a coprecipitation reaction tank in which an accommodated material including a reactant and a remainder is accommodated; and a pH measuring system that measures a pH of the remainder. The pH measuring system includes: a filter that is disposed inside the coprecipitation reaction tank and filters the remainder from the accommodated material; and a pH measuring part that is disposed outside the coprecipitation reaction tank to measure the pH of the remainder filtered through the filter.

IPC Classes  ?

  • B01J 19/00 - Chemical, physical or physico-chemical processes in generalTheir relevant apparatus
  • C01G 53/502 - 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 containing lithium and cobalt

67.

Transition Metal Compound and Catalyst Composition Comprising the Same

      
Application Number 19099334
Status Pending
Filing Date 2023-09-06
First Publication Date 2026-01-29
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Lee, Yun Jin
  • Park, Geun Ho
  • Park, Cheol Woong
  • Han, Ki Won
  • Cho, Seong Mi
  • Lee, Jong Chul

Abstract

Provided are a transition metal compound of Formula 1 and a catalyst composition comprising the same: Provided are a transition metal compound of Formula 1 and a catalyst composition comprising the same: wherein all the variables are described herein.

IPC Classes  ?

  • C07F 7/00 - Compounds containing elements of Groups 4 or 14 of the Periodic Table
  • C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers

68.

CARBON NANOTUBE DISPERSION AND PREPARATION METHOD THEREFOR

      
Application Number 19113543
Status Pending
Filing Date 2024-01-17
First Publication Date 2026-01-29
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Eun Bum
  • Jang, Young Jin
  • Yoon, Ki Youl

Abstract

The present invention relates to a carbon nanotube dispersion to which an auxiliary dispersant containing polyethylene glycol, polystyrene, and a cellulose-based component is applied, and a method for preparing the same, and the carbon nanotube dispersion of the present invention has excellent viscosity stability during room-temperature and high-temperature storage.

IPC Classes  ?

  • C01B 32/174 - DerivatisationSolubilisationDispersion in solvents

69.

Method and System for Acquiring Molecular Structure of Parent Molecule From Fragment Ions from LC-MS/MS

      
Application Number 18997599
Status Pending
Filing Date 2024-03-29
First Publication Date 2026-01-22
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Jo, Seong In
  • Lee, Kyu Hwang
  • Bae, Yong Jin
  • You, Hyun Sik
  • Park, Sae Bo Mi
  • Yen, Yun Ku

Abstract

A method of acquiring mass spectrum peak data of fragment ions from mass spectra for fragment ions generated in an LC-MS/MS measuring instrument may include acquiring a molecular structure of the fragment ions and fragment ion graph data by using the acquired data, and deriving a candidate molecular structure of a target substance by assembling fragment ion graphs.

IPC Classes  ?

70.

Composition of Super Absorbent Polymer and Preparation Method Thereof

      
Application Number 18842571
Status Pending
Filing Date 2023-03-24
First Publication Date 2026-01-22
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Min, Ji Hong
  • Kim, Jun Kyu

Abstract

The present disclosure relates to a composition of super absorbent polymer and a preparation method thereof, and more specifically, a composition of super absorbent polymer and a preparation method thereof, that may improve deodorization capacity and odor masking capacity by using specific additives in combination, to effectively inhibit odor generated from urine, and the like, when applied to a product such as a diaper, and the like, and bacteria growth during wearing of a product.

IPC Classes  ?

  • B01J 20/26 - Synthetic macromolecular compounds
  • A61L 15/20 - Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing organic materials
  • A61L 15/24 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bondsDerivatives thereof
  • A61L 15/46 - Deodorants or malodour counteractants, e.g. to inhibit the formation of ammonia or bacteria
  • A61L 15/60 - Liquid-swellable gel-forming materials, e.g. super-absorbents
  • B01J 20/30 - Processes for preparing, regenerating or reactivating

71.

FILM AND METHOD FOR MANUFACTURING CURED PRODUCT USING SAME

      
Application Number 18875781
Status Pending
Filing Date 2023-06-16
First Publication Date 2026-01-22
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Hong, Jae Sung
  • Kim, Hyun Cheol
  • Kim, Sang Hwan
  • Kim, Woo Yeon

Abstract

The present invention relates to a film available for an inert redox initiation system, and a method for producing a cured product using the same. The film comprises an auxiliary base material with magnetism, and an activation layer containing an initiator component on the surface of the auxiliary base material, wherein when a layer of a curable composition comprising a curable syrup, a filler component, and an initiator component is brought into contact with the initiator component of the film, a curing reaction is performed, and the initiator component is an inert redox initiation system including an oxidizing agent and a reducing agent, where the reducing agent may include a metal compound, and the metal compound may be included in an effective amount only in any one of the activation layer of the film and the layer of the curable composition.

IPC Classes  ?

  • B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
  • B32B 15/082 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising vinyl resinsLayered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising acrylic resins
  • B32B 15/18 - Layered products essentially comprising metal comprising iron or steel
  • B32B 15/20 - Layered products essentially comprising metal comprising aluminium or copper
  • B32B 27/30 - Layered products essentially comprising synthetic resin comprising vinyl resinLayered products essentially comprising synthetic resin comprising acrylic resin
  • B32B 37/24 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
  • B32B 38/00 - Ancillary operations in connection with laminating processes
  • C08F 2/44 - Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
  • C08F 4/40 - Redox systems
  • C08F 220/18 - Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids

72.

Composition

      
Application Number 19112109
Status Pending
Filing Date 2023-09-27
First Publication Date 2026-01-22
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 is 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. The present specification may also provide a use of the composition.

IPC Classes  ?

  • A62D 1/00 - Fire-extinguishing compositionsUse of chemical substances in extinguishing fires
  • A62D 1/06 - Fire-extinguishing compositionsUse of chemical substances in extinguishing fires containing gas-producing, chemically-reactive components
  • B01J 27/16 - PhosphorusCompounds thereof containing oxygen
  • H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
  • H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
  • H01M 50/24 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion

73.

Electrode for Lithium Rechargeable Battery and Lithium Rechargeable Battery

      
Application Number 18861642
Status Pending
Filing Date 2023-08-22
First Publication Date 2026-01-15
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Seo, Jung Hyun
  • Ko, Kyung Moon
  • Lee, Seungho
  • Kim, Yu Jin
  • Jung, Soonhwa

Abstract

An electrode for a lithium rechargeable battery includes an electrode substrate and a porous layer. The porous layer includes a binder resin and inorganic fine particles. The porous layer is present on the electrode substrate. The binder resin includes a (co)polymer containing a repeating unit derived from a urethane (meth)acrylate-based monomer or oligomer. A lithium rechargeable battery comprising the same is also provided.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 4/02 - Electrodes composed of, or comprising, active material
  • H01M 10/052 - Li-accumulators

74.

METHOD OF PREPARING VINYL CYANIDE COMPOUND-CONJUGATED DIENE RUBBER-AROMATIC VINYL COMPOUND GRAFT COPOLYMER, METHOD OF PREPARING THERMOPLASTIC RESIN COMPOSITION INCLUDING THE SAME, AND THERMOPLASTIC RESIN COMPOSITION INCLUDING THE SAME

      
Application Number 19330638
Status Pending
Filing Date 2025-09-16
First Publication Date 2026-01-15
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Jeong, Young Hwan
  • Suk, Jaemin
  • Kim, Young Min

Abstract

A thermoplastic resin including 15 to 35% by weight of a vinyl cyanide compound-conjugated diene rubber-aromatic vinyl compound graft copolymer and 65 to 85% by weight of an aromatic vinyl compound-vinyl cyanide compound copolymer. The conjugated diene rubber has an average particle diameter of 2,800 to 3,800 Å and a full width at half maximum of 1,400 to 2,700 Å in particle size distribution. The thermoplastic resin composition has an Izod impact strength of 40 kgf·cm/cm or more as measured using a specimen having a thickness of ⅛″ according to ASTM D256.

IPC Classes  ?

  • C08F 279/04 - Vinyl aromatic monomers and nitriles as the only monomers
  • C08L 25/12 - Copolymers of styrene with unsaturated nitriles

75.

Separator and Electrochemical Conversion Cell Including the Same

      
Application Number 18854769
Status Pending
Filing Date 2023-04-19
First Publication Date 2026-01-15
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Noh, Tai Min
  • Noh, Tae Geun
  • Lee, Jong Jin
  • Kim, Tae Keun
  • Lim, Hyung Seob

Abstract

A separator includes a base membrane and a hydrophilic porous structure layer or a hydrophobic porous structure layer. The hydrophilic porous structure layer or the hydrophobic porous structure layer is stacked on at least one side of the base membrane. The base membrane is an anion exchange membrane, a cation exchange membrane, or an amphoteric ion exchange membrane.

IPC Classes  ?

  • B01D 69/12 - Composite membranesUltra-thin membranes
  • C25B 1/23 - Carbon monoxide or syngas
  • C25B 13/02 - DiaphragmsSpacing elements characterised by shape or form
  • C25B 13/08 - DiaphragmsSpacing elements characterised by the material based on organic materials

76.

Fluid Heating Device

      
Application Number 18856306
Status Pending
Filing Date 2023-05-12
First Publication Date 2026-01-15
Owner LG Chem, Ltd. (Republic of Korea)
Inventor Kang, Moo Seong

Abstract

This specification describes a fluid heating device and a use thereof. The fluid heating device can solve the problems of the conventional fluid heating device. For example, the fluid heating device can efficiently respond to carbon neutrality. Additionally, the fluid heating device can deliver precisely controlled heat to the fluid within a short time even when heating a large amount of fluid. A method of heating a fluid using the fluid heating device is also provided.

IPC Classes  ?

  • F24H 1/10 - Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
  • F24H 9/20 - Arrangement or mounting of control or safety devices

77.

Liquid Crystal Cell and Optical Device

      
Application Number 18852132
Status Pending
Filing Date 2023-03-30
First Publication Date 2026-01-08
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Kim, Jung Woon
  • You, Jung Sun
  • Huh, Doo Young
  • Lee, Beom Jin
  • Oh, Dong Hyun

Abstract

The present application relates to a liquid crystal cell and an optical device. The liquid crystal cell and optical device of the present application can properly maintain a cell gap of a liquid crystal element, have excellent adhesion between an upper substrate and a lower substrate, and solve the pressing and liquid crystal overflow problems capable of occurring during the bonding process of an outer substrate due to the delamination capable of occurring in the post-electrode process.

IPC Classes  ?

78.

Methane-Reforming Catalyst and Preparation Method Therefor

      
Application Number 18722783
Status Pending
Filing Date 2023-09-12
First Publication Date 2026-01-08
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Kim, Yongseon
  • Cho, Jun Yeon
  • Choi, Jae Soon
  • Choi, Jun Seon
  • Kim, Sangjin
  • Kim, Sojin
  • Kim, Suji
  • Choi, Hyun A

Abstract

Provided herein is a catalyst for methane reformation according to an exemplary embodiment of the present application, comprising: a porous metal support; a first coating layer provided on the porous metal support and comprising an inorganic oxide; and a second coating layer provided on the first coating layer and comprising a perovskite-based compound represented by Chemical Formula 1, in which the inorganic oxide comprises CeO2 or Al2O3, Provided herein is a catalyst for methane reformation according to an exemplary embodiment of the present application, comprising: a porous metal support; a first coating layer provided on the porous metal support and comprising an inorganic oxide; and a second coating layer provided on the first coating layer and comprising a perovskite-based compound represented by Chemical Formula 1, in which the inorganic oxide comprises CeO2 or Al2O3, wherein all variables are described herein.

IPC Classes  ?

  • B01J 21/04 - Alumina
  • B01J 21/06 - Silicon, titanium, zirconium or hafniumOxides or hydroxides thereof
  • B01J 23/10 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of rare earths
  • 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 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 35/64 - Pore diameter
  • B01J 37/08 - Heat treatment
  • 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

79.

CATALYST FOR REFORMING METHANE, METHOD FOR PRODUCING SAME, AND METHOD FOR REFORMING METHANE

      
Application Number 18729996
Status Pending
Filing Date 2023-09-21
First Publication Date 2026-01-08
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Kim, Suji
  • Cho, Jun Yeon
  • Choi, Jae Soon
  • Choi, Jun Seon
  • Kim, Sangjin
  • Kim, Sojin
  • Kim, Yongseon
  • Choi, Hyun A

Abstract

Provided are a catalyst for methane reformation, a method for manufacturing the same, and a methane reforming method, wherein the catalyst is represented by Chemical Formula 1 below: Provided are a catalyst for methane reformation, a method for manufacturing the same, and a methane reforming method, wherein the catalyst is represented by Chemical Formula 1 below: wherein all the variables are described herein.

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 37/08 - Heat treatment
  • 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

80.

Super Absorbent Polymer Composition and Preparation Method Thereof

      
Application Number 18992701
Status Pending
Filing Date 2023-11-28
First Publication Date 2026-01-08
Owner LG Chem, Ltd. (Republic of Korea)
Inventor Min, Ji Hong

Abstract

The super absorbent polymer composition and the preparation method thereof according to the present disclosure are characterized by having excellent deodorizing ability while minimizing deterioration in physical properties of the super absorbent polymer by mixing persimmon extract, glycine, and a chelating agent into the super absorbent polymer after controlling their combination and mixing ratio, as compared to a composition not utilizing the present disclosure.

IPC Classes  ?

  • B01J 20/26 - Synthetic macromolecular compounds
  • A61L 15/20 - Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing organic materials
  • A61L 15/24 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bondsDerivatives thereof
  • A61L 15/46 - Deodorants or malodour counteractants, e.g. to inhibit the formation of ammonia or bacteria
  • A61L 15/60 - Liquid-swellable gel-forming materials, e.g. super-absorbents
  • B01J 20/30 - Processes for preparing, regenerating or reactivating
  • C08L 51/00 - 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

81.

COMBINATION THERAPY FOR PREVENTING OR TREATING OBESITY

      
Application Number 18852251
Status Pending
Filing Date 2023-03-27
First Publication Date 2026-01-01
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Park, Hee Dong
  • Yeo, Su Jin
  • Hwang, Hye Kyeong

Abstract

The present invention relates to a combination therapy for effectively preventing or treating obesity. More specifically, the objective of the present invention is to effectively prevent or treat obesity through a synergistic effect obtained when a melanocortin-4 receptor (MC4R) agonist and a glucagon-like peptide-1 (GLP-1) receptor agonist are administered in combination. AA . . . Weight change rate with respect to initial weight BB . . . Number of days of administration CC . . . Semaglutide alone DD . . . Test compound alone EE . . . In combination FF . . . D18 weight change rate (% initial weight) GG . . . Vehicle

IPC Classes  ?

  • A61K 31/5377 - 1,4-Oxazines, e.g. morpholine not condensed and containing further heterocyclic rings, e.g. timolol
  • A61K 31/4545 - Non-condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a six-membered ring with nitrogen as a ring hetero atom, e.g. pipamperone, anabasine
  • A61K 38/26 - Glucagons
  • A61K 45/06 - Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
  • A61P 3/04 - AnorexiantsAntiobesity agents

82.

Biodegradable Film

      
Application Number 18727423
Status Pending
Filing Date 2023-03-09
First Publication Date 2026-01-01
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Eom, Hyunjoo
  • Park, Hyunwoo
  • Shim, Hong Shik
  • Choi, Ji Hwan

Abstract

Provided is a biodegradable film including a hydroxyalkanoate-lactide copolymer and polybutylene adipate terephthalate (PBAT).

IPC Classes  ?

  • C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
  • C08J 5/18 - Manufacture of films or sheets

83.

Positive Electrode Active Material and Method for Producing the Same

      
Application Number 18864388
Status Pending
Filing Date 2023-05-22
First Publication Date 2026-01-01
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Lee, Eung Ju
  • Lee, Kang Hyeon
  • Rhee, Tae Young
  • Jung, Yong Jo
  • Kim, Jong Pil
  • Baek, Hyeon Hui

Abstract

A positive electrode active material includes: a lithium transition metal oxide which is in the form of a single particle and divided into a surface part and a core; and a coating part which is formed on the surface part and contains cobalt. The cobalt and nickel are contained in an amount satisfying a Co/Ni value (mol/mol) of 0.1 to 0.8 based on the entirety of the surface part and the coating part. A method for producing the positive electrode active material is also provided.

IPC Classes  ?

  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • C01G 53/42 - Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2
  • 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

84.

Curable Composition

      
Application Number 18686221
Status Pending
Filing Date 2022-10-07
First Publication Date 2025-12-25
Owner LG Chem, Ltd (Republic of Korea)
Inventor
  • Lee, Hong Chan
  • Lee, Seung Min
  • Jung, Jin Mi

Abstract

The present application relates to a curable composition and a use thereof. As the curable composition of the present application is applied to a product that generates heat during the driving or maintenance process, it is possible to provide a curable composition that can be used as a material capable of treating the heat. The curable composition of the present application is applied to a product in which a plurality of elements generating heat are integrated, whereby it can efficiently treat the heat generated by the element while maintaining a uniform temperature of the product. In addition, even when the abnormal heat, explosion or ignition occurs in any one of the plurality of elements, the curable composition of the present application is applied to such a product, so that the effect of such heat, explosion or ignition to other adjacent elements can be prevented or minimized. The curable composition of the present application can also stably perform such a function over a long period of time.

IPC Classes  ?

  • 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 3/22 - OxidesHydroxides of metals
  • C08L 83/04 - Polysiloxanes

85.

Method of Evaluating Quality of Positive Electrode Active Material, Positive Electrode Active Material and Method of Preparing Positive Electrode

      
Application Number 18877578
Status Pending
Filing Date 2023-09-27
First Publication Date 2025-12-25
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Kim, Sang Jun
  • Jung, Won Sig
  • Baek, Hyeon Hui
  • Lee, Eung Ju
  • Lee, Jeong Kyu
  • Oh, Sung Joon

Abstract

A method of evaluating the quality of a positive electrode active material includes determining the positive electrode active material as a working product when a Raman shift value of a peak corresponding to an A1g vibration mode of LiNiO2 in a Raman spectrum of a surface of the positive electrode active material satisfies pre-established positive electrode active material quality evaluation criteria or as a defective product when the Raman shift value does not satisfy the pre-established positive electrode active material quality evaluation criteria. Also provided is a positive electrode active material in a form of a single particle.

IPC Classes  ?

  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • G01N 21/65 - Raman scattering
  • G01N 21/95 - Investigating the presence of flaws, defects or contamination characterised by the material or shape of the object to be examined
  • 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

86.

Preparation Method of Super Absorbent Polymer

      
Application Number 18865130
Status Pending
Filing Date 2023-12-15
First Publication Date 2025-12-18
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Lee, Junwye
  • Park, Sung Soo
  • Kim, Tae Yun
  • Woo, Heechang
  • Baek, Seokhyeon
  • Han, Sangwon
  • Kim, Gicheul
  • Min, Yoon Jae
  • Ju, Jin Hyuck
  • Ahn, Taebin
  • Lee, Seul Ah
  • Park, Dong Hoon
  • Shin, Kwangin
  • Park, Se Yeol
  • Chung, Ui Seok
  • Jee, Min Goo

Abstract

The present disclosure relates to a preparation method of a super absorbent polymer and a super absorbent polymer. More specifically, it relates to a preparation method of a super absorbent polymer exhibiting excellent absorption properties with significantly reduced generation of fine particles.

IPC Classes  ?

  • C08J 3/075 - Macromolecular gels
  • C08F 220/06 - Acrylic acidMethacrylic acidMetal salts or ammonium salts thereof
  • C08J 3/12 - Powdering or granulating
  • C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules

87.

Ligand Compound, Organic Chromium Compound, and Catalyst Compositions Containing the Same

      
Application Number 18878182
Status Pending
Filing Date 2024-04-18
First Publication Date 2025-12-18
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Cho, Yeon Ho
  • Lim, Won Taeck
  • Kim, Seok Sun
  • Jung, Seung Hwan
  • Shin, Eun Ji
  • Sa, Seok Pil
  • Kim, Tae Hee
  • Min, Se Hye

Abstract

Provided are a ligand compound represented by Chemical Formula 1, which exhibits high 1-hexene and 1-octene selectivity while exhibiting high catalytic activity and enables ethylene oligomerization with excellent efficiency, an organic chromium compound, a catalyst composition containing the organic chromium compound, and a method for ethylene oligomerization using the same: Provided are a ligand compound represented by Chemical Formula 1, which exhibits high 1-hexene and 1-octene selectivity while exhibiting high catalytic activity and enables ethylene oligomerization with excellent efficiency, an organic chromium compound, a catalyst composition containing the organic chromium compound, and a method for ethylene oligomerization using the same: wherein all the variables are described herein.

IPC Classes  ?

  • B01J 31/18 - Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony
  • C07C 2/34 - Metal-hydrocarbon complexes
  • C07C 11/107 - Alkenes with six carbon atoms

88.

Aerogel Composite

      
Application Number 19179539
Status Pending
Filing Date 2025-04-15
First Publication Date 2025-12-18
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Kim, Mi Ri
  • Jin, Mi Kyoung
  • Oh, Kyoung Shil
  • Jin, Eun Yeong
  • Kang, Taegyeong

Abstract

An aerogel composite has excellent thermal stability and flame retardancy even when exposed to a high-temperature environment for a long period of time.

IPC Classes  ?

  • F16L 59/02 - Shape or form of insulating materials, with or without coverings integral with the insulating materials
  • D06M 11/79 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereofSuch treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
  • D06M 101/00 - Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated

89.

COMPOSITION, DEPOSITION SOURCE, ORGANIC ELECTROLUMINESCENT DEVICE INCLUDING SAME, AND MANUFACTURING METHOD THEREFOR

      
Application Number 19301721
Status Pending
Filing Date 2025-08-15
First Publication Date 2025-12-11
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Ha, Jae Seung
  • Choi, Ji Young
  • Hong, Wanpyo
  • Lee, Woochul
  • Kim, Joo Ho
  • Kim, Hoon Jun

Abstract

A method for manufacturing an organic electroluminescent device, the method including forming one or more organic material layers using a composition that includes a compound of Chemical Formula 1 and a compound of Chemical Formula 2, at least one of which includes at least one deuterium: A method for manufacturing an organic electroluminescent device, the method including forming one or more organic material layers using a composition that includes a compound of Chemical Formula 1 and a compound of Chemical Formula 2, at least one of which includes at least one deuterium: A method for manufacturing an organic electroluminescent device, the method including forming one or more organic material layers using a composition that includes a compound of Chemical Formula 1 and a compound of Chemical Formula 2, at least one of which includes at least one deuterium: wherein at least one of R1 to R10 bonds to a * site of Chemical Formula 1-1, and Ar is a substituted or unsubstituted aryl group; A method for manufacturing an organic electroluminescent device, the method including forming one or more organic material layers using a composition that includes a compound of Chemical Formula 1 and a compound of Chemical Formula 2, at least one of which includes at least one deuterium: wherein at least one of R1 to R10 bonds to a * site of Chemical Formula 1-1, and Ar is a substituted or unsubstituted aryl group; A method for manufacturing an organic electroluminescent device, the method including forming one or more organic material layers using a composition that includes a compound of Chemical Formula 1 and a compound of Chemical Formula 2, at least one of which includes at least one deuterium: wherein at least one of R1 to R10 bonds to a * site of Chemical Formula 1-1, and Ar is a substituted or unsubstituted aryl group; wherein at least one of Y1 to Y10 bonds to a * site of Chemical Formula 2-1, and A and B are each independently a substituted or unsubstituted aromatic hydrocarbon ring or a substituted or unsubstituted aromatic heteroring; and the other substituents are defined in the specification; and an organic electroluminescent device prepared by the method.

IPC Classes  ?

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

90.

PLASTICIZER COMPOSITION AND RESIN COMPOSITION INCLUDING THE SAME

      
Application Number 18837153
Status Pending
Filing Date 2023-02-24
First Publication Date 2025-12-11
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Hyun Kyu
  • Woo, Seung Taek
  • Kim, Joo Ho
  • Kim, Eun Suk

Abstract

The present invention relates to a plasticizer composition including 2-ethylhexyl(2-hydroxyethyl) terephthalate and di(2-ethylhexyl) terephthalate, wherein the content of the 2-ethylhexyl(2-hydroxyethyl) terephthalate is 20 wt % or less based on the total plasticizer composition, and when the plasticizer composition is applied to a resin, mechanical properties, migration resistance, and loss properties may be improved.

IPC Classes  ?

  • C08K 5/12 - EstersEther-esters of cyclic polycarboxylic acids
  • C08J 11/24 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds containing hydroxyl groups

91.

Positive Electrode Active Material and Method for Producing the Same

      
Application Number 18863887
Status Pending
Filing Date 2023-05-22
First Publication Date 2025-12-04
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Lee, Eung Ju
  • Park, Hyun Ah
  • Lee, Kang Hyeon
  • Jung, Yong Jo
  • Kim, Jong Pil
  • Baek, Hyeon Hui

Abstract

The present invention relates to a positive active material including: a lithium transition metal oxide which is in the form of a single particle and divided into a surface part and a core; and a coating part which is formed on the surface part and contains cobalt, wherein the surface part includes an oxidation number gradient layer in which the oxidation number of nickel (Ni) increases toward the outermost surface, and a method for producing the same.

IPC Classes  ?

  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • C01G 53/42 - Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2
  • 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

92.

RESIN COMPOSITION AND MOLDED ARTICLE

      
Application Number 18868627
Status Pending
Filing Date 2023-04-12
First Publication Date 2025-12-04
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Park, Sung Eun
  • Yoo, Ki Hyun
  • Han, Sang Hoon
  • Moon, Jun Soo

Abstract

A biodegradable resin composition including heterogeneous biodegradable resins, which has improved compatibility between the heterogeneous biodegradable resins and thus the resin composition is excellent processability by preventing an increase in viscosity while having excellent mechanical properties, and to a biodegradable molded article molded from the resin composition.

IPC Classes  ?

  • C08L 33/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
  • C08L 67/04 - Polyesters derived from hydroxy carboxylic acids, e.g. lactones
  • C08L 67/06 - Unsaturated polyesters

93.

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

      
Application Number 18874541
Status Pending
Filing Date 2023-07-21
First Publication Date 2025-12-04
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Oh, Myung Eun
  • Kim, Mi Ri
  • Lee, Kyu Reon
  • 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  ?

  • C01B 33/158 - PurificationDryingDehydrating
  • C01B 33/141 - Preparation of hydrosols or aqueous dispersions
  • C01B 33/143 - Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates of aqueous solutions of silicates

94.

COMPOUND AND ORGANIC LIGHT-EMITTING ELEMENT COMPRISING SAME

      
Application Number 18875031
Status Pending
Filing Date 2024-03-21
First Publication Date 2025-12-04
Owner
  • LG CHEM, LTD. (Republic of Korea)
  • SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION (Republic of Korea)
Inventor
  • Kim, Moung Gon
  • Kwon, Min Sang
  • Kim, Kyunghee
  • Lee, Woochul

Abstract

A compound of Chemical Formula 1: A compound of Chemical Formula 1: A compound of Chemical Formula 1: wherein: X is NR, O, or S; Y is O or S; Ar1, Ar2 and Ar3 are each independently a substituted or unsubstituted monocyclic or polycyclic hydrocarbon ring, or a substituted or unsubstituted monocyclic or polycyclic hetero ring, provided that at least one of Ar1, Ar2 and Ar3 includes a hetero ring or a substituted or unsubstituted aliphatic hydrocarbon ring, and when X is NR, at least one of R, Ar1, Ar2 and Ar3 includes a ring in which substituted or unsubstituted aliphatic hydrocarbon rings are fused; when X is NR, at least one of Ar1 and Ar3 is optionally bonded to R to form a ring, and Ar2 and Ar3 are optionally bonded to each other to form a ring; and the other substituents are as defined in the specification; and an organic light-emitting element including the same.

IPC Classes  ?

  • 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 85/60 - Organic compounds having low molecular weight

95.

BRANCHED POLYLACTIC ACID POLYMER AND METHOD FOR PREPARING THE SAME

      
Application Number 18877949
Status Pending
Filing Date 2024-01-05
First Publication Date 2025-12-04
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Park, Sung Eun
  • Yoo, Ki Hyun
  • Oh, Wan Kyu
  • Park, Si Jung
  • Woo, Won Hee

Abstract

A branched polylactic acid polymer that has improved rheological properties, and a method for preparing same, and provides a branched polylactic acid polymer including a derived unit from a polylactic acid polymer, having an average number of long-chain branches per molecule of 3-10, and having a mass flow rate of 1-20 g/10 min measured at 190° C. and a load of 2.16 kg in accordance with ASTM D1238 conditions.

IPC Classes  ?

96.

PREPARATION METHOD OF MONOMER COMPOSITION FOR SYNTHESISING RECYCLED PLASTIC, PREPARATION DEVICE OF MONOMER COMPOSITION FOR SYNTHESISING RECYCLED PLASTIC, AND MONOMER COMPOSITION FOR SYNTHESISING RECYCLED PLASTIC, RECYCLED PLASTIC, MOLDED PRODUCT USING THE SAME

      
Application Number 19108107
Status Pending
Filing Date 2024-07-18
First Publication Date 2025-12-04
Owner LG CHEM LTD. (Republic of Korea)
Inventor
  • Lee, Jeongbin
  • Hwang, Jinyoung
  • Kim, Jeongnam
  • Hong, Mooho
  • Oh, Sung Joon

Abstract

The present disclosure relates to a preparation method of a monomer composition for synthesizing recycled plastic, the method comprising the steps of: subjecting a polycarbonate-based resin to a depolymerization reaction in the presence of an alcohol; monitoring a Raman spectrum of an aromatic diol compound obtained from the depolymerization reaction or alcohol in a reactor through which depolymerization reaction proceeds; and recovering the aromatic diol compound, and to a preparation device of a monomer composition for synthesizing recycled plastic, and a monomer composition for synthesizing recycled plastic, a recycled plastic and a molded product using the same.

IPC Classes  ?

  • C07C 29/128 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by alcoholysis

97.

Curable Composition

      
Application Number 19108999
Status Pending
Filing Date 2023-09-15
First Publication Date 2025-12-04
Owner LG Chem. Ltd. (Republic of Korea)
Inventor
  • Lee, Jeong Hyun
  • Son, Ho Yeon
  • Jun, Shin Hee

Abstract

Provided are a curable composition, a cured body thereof or a thermal interface material (TIM), and a use thereof, wherein the curable composition or thermal interface material, and the like can exhibit low adhesion force to a given adherend while exhibiting high thermal conductivity, and the low adhesion force can be achieved without using an adhesion force adjusting component such as a plasticizer or in a state where the use ratio thereof is minimized. The curable composition can also exhibit a precisely controlled curing rate and simultaneously have excellent curability.

IPC Classes  ?

  • C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
  • C08G 18/24 - Catalysts containing metal compounds of tin
  • C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
  • C09K 5/14 - Solid materials, e.g. powdery or granular

98.

Super Absorbent Polymer

      
Application Number 19299629
Status Pending
Filing Date 2025-08-14
First Publication Date 2025-12-04
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Lee, Dae Woong
  • Han, Sang Won
  • Jee, Min Goo
  • Lee, Jun Wye

Abstract

A polyacrylic acid (salt)-based super absorbent polymer has a slip strain (%) of 12.5% or less after the polyacrylic acid (salt)-based super absorbent polymer is subjected to 30% swelling. The slip strain means a value at a time when a storage modulus rapidly decreases with an increase in strain when a change in the storage modulus is observed by increasing the slip strain of each sample from 0.01% to 100% using a rheometer under a frequency of 1 Hz and a temperature of 25° C. The superabsorbent polymer has an absolute value of a rate of change in slip strain at 30% and 70% swelling derived by Equation 1 of 0.04 or less, wherein Equation 1 is Rate of change in slip strain at 30% and 70% swelling=[{(slip strain at 70% swelling)−(slip strain at 30% swelling)}/40].

IPC Classes  ?

  • B01J 20/26 - Synthetic macromolecular compounds
  • C08F 220/06 - Acrylic acidMethacrylic acidMetal salts or ammonium salts thereof

99.

Crosslinking Agent Composition for Olefin-Based Copolymer, Encapsulant Composition for Optical Device Comprising the Same and Encapsulant Film for Optical Device

      
Application Number 18868886
Status Pending
Filing Date 2023-07-10
First Publication Date 2025-12-04
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Lee, Si Jung
  • Lee, Eun Jung
  • Gong, Jin Sam
  • Park, Sang Eun
  • Lee, Jin Kuk
  • Kim, Jong Gil

Abstract

Provided are a crosslinking agent composition for an olefin-based copolymer, an encapsulant composition for an optical device, an encapsulant film for an optical device, and an optoelectronic device, wherein a compound of Formula 1 is applied in the crosslinking agent composition or the encapsulant composition including an olefin-based copolymer, as a crosslinking auxiliary agent, thereby forming an encapsulant composition for an optical device and an encapsulant film for an optical device, showing excellent productivity and high volume resistance and light transmittance: Provided are a crosslinking agent composition for an olefin-based copolymer, an encapsulant composition for an optical device, an encapsulant film for an optical device, and an optoelectronic device, wherein a compound of Formula 1 is applied in the crosslinking agent composition or the encapsulant composition including an olefin-based copolymer, as a crosslinking auxiliary agent, thereby forming an encapsulant composition for an optical device and an encapsulant film for an optical device, showing excellent productivity and high volume resistance and light transmittance: Provided are a crosslinking agent composition for an olefin-based copolymer, an encapsulant composition for an optical device, an encapsulant film for an optical device, and an optoelectronic device, wherein a compound of Formula 1 is applied in the crosslinking agent composition or the encapsulant composition including an olefin-based copolymer, as a crosslinking auxiliary agent, thereby forming an encapsulant composition for an optical device and an encapsulant film for an optical device, showing excellent productivity and high volume resistance and light transmittance: wherein R1 to R4 and m are described herein.

IPC Classes  ?

100.

PRODUCTION METHOD OF CURED PRODUCT AND CURED PRODUCT RESULTING THEREFROM

      
Application Number 18874467
Status Pending
Filing Date 2023-06-16
First Publication Date 2025-12-04
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Woo Yeon
  • Kim, Hyun Cheol
  • Hong, Jae Sung
  • Park, Jun Hyoung

Abstract

The present disclosure provides a method for producing a cured product using an inert redox initiator system, and a cured product resulting therefrom. Specifically, the method for producing a cured product according to the present disclosure comprises a step of contacting a layer of a curable composition including a curable syrup and a first initiator component with a layer of a second initiator component of a film including the layer of the second initiator component on a surface thereof to perform curing the curable composition, and is characterized in that the initiator component is an inert redox initiator system comprising an oxidizing agent and a reducing agent, the reducing agent comprises a metal compound, and the metal compound is included in an effective amount only in any one of the layer of the second initiator component on the film or the layer of the curable composition.

IPC Classes  ?

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