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Patents Grants
last 30 patents
Information
Patent Grant
Polyamide resin film and resin laminate using the same
Patent number
12,031,028
Issue date
Jul 9, 2024
LG Chem, Ltd.
Il Hwan Choi
B32 - LAYERED PRODUCTS
Information
Patent Grant
Polyamide block copolymer and polyamide film including the same
Patent number
11,926,702
Issue date
Mar 12, 2024
LG Chem, Ltd.
Bi Oh Ryu
B32 - LAYERED PRODUCTS
Information
Patent Grant
Cross-linked polyolefin separator and method for producing same
Patent number
11,894,575
Issue date
Feb 6, 2024
LG Chem, Ltd.
Won-Sik Bae
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Crosslinked polyolefin separator and manufacturing method therefor
Patent number
11,718,723
Issue date
Aug 8, 2023
LG Chem, Ltd.
Joo-Sung Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cross-linked polyolefin separator and manufacturing method thereof
Patent number
11,674,011
Issue date
Jun 13, 2023
LG Chem, Ltd.
Joo-Sung Lee
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Crosslinked polyolefin separator and method for manufacturing the same
Patent number
11,673,985
Issue date
Jun 13, 2023
LG Chem, Ltd.
Bi-Oh Ryu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Poly(amide-imide) copolymer film and method for preparing same
Patent number
11,655,323
Issue date
May 23, 2023
LG Chem, Ltd.
Bi Oh Ryu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Crosslinked polyolefin separator and manufacturing method thereof
Patent number
11,545,718
Issue date
Jan 3, 2023
LG Chem, Ltd.
Won-Sik Bae
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Plastic laminated film
Patent number
11,383,485
Issue date
Jul 12, 2022
LG Chem, Ltd.
Kwan Yeol Paek
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Cross-linked polyolefin separator and manufacturing method for same
Patent number
11,355,814
Issue date
Jun 7, 2022
LG Chem, Ltd.
Joo-Sung Lee
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Polyamide film laminate
Patent number
11,351,763
Issue date
Jun 7, 2022
LG Chem, Ltd.
Bi Oh Ryu
B32 - LAYERED PRODUCTS
Information
Patent Grant
Polyamideimide copolymer and polyamideimide film comprising the same
Patent number
11,326,025
Issue date
May 10, 2022
LG Chem, Ltd.
Bi Oh Ryu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Poly(amide-imide) copolymer composition and colorless and transpare...
Patent number
11,248,090
Issue date
Feb 15, 2022
LG Chem, Ltd.
Bi Oh Ryu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyamideimide copolymers and colorless and transparent polyamideim...
Patent number
10,882,958
Issue date
Jan 5, 2021
LG Chem, Ltd.
Bi Oh Ryu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Separator for electrochemical device
Patent number
10,505,167
Issue date
Dec 10, 2019
LG Chem, Ltd.
Bi-Oh Ryu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing separator for electrochemical device and se...
Patent number
10,056,589
Issue date
Aug 21, 2018
LG Chem, Ltd.
Bi-Oh Ryu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Separator for electrochemical device
Patent number
9,905,824
Issue date
Feb 27, 2018
LG Chem, Ltd.
Bi-Oh Ryu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Crosslinked polyolefin separator and method of preparing the same
Patent number
9,887,405
Issue date
Feb 6, 2018
LG Chem, Ltd.
Cheon-Il Park
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Separator for electrochemical device
Patent number
9,825,271
Issue date
Nov 21, 2017
LG Chem, Ltd.
Kyung-Hwan Yoon
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Cross-Linked Polyolefin Separator and Method for Producing Same
Publication number
20240120613
Publication date
Apr 11, 2024
LG CHEM, LTD.
Won-Sik Bae
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Separator for Lithium Secondary Battery and Lithium Secondary Batte...
Publication number
20230411789
Publication date
Dec 21, 2023
LG CHEM, LTD.
Joo-Sung Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Crosslinked Polyolefin Separator and Manufacturing Method Therefor
Publication number
20230323061
Publication date
Oct 12, 2023
LG CHEM, LTD.
Joo-Sung Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Separator for Lithium Secondary Battery and Lithium Secondary Batte...
Publication number
20230223659
Publication date
Jul 13, 2023
LG CHEM, LTD.
Joo-Sung Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CROSSLINKED POLYOLEFIN SEPARATOR, METHOD FOR MANUFACTURING CROSSLIN...
Publication number
20220407180
Publication date
Dec 22, 2022
LG CHEM, LTD.
Joo-Sung LEE
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Polyolefin Separator and Method for Manufacturing the Same
Publication number
20220173479
Publication date
Jun 2, 2022
LG CHEM, LTD.
Sung-Jae Han
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POLYAMIDE RESIN, AND POLYMER FILM, RESIN LAMINATE USING THE SAME
Publication number
20220033653
Publication date
Feb 3, 2022
LG CHEM, LTD.
Il Hwan CHOI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Cross-Linked Polyolefin Separator and Method for Producing Same
Publication number
20210234229
Publication date
Jul 29, 2021
LG CHEM, LTD.
Won-Sik Bae
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COVER WINDOW FOR FLEXIBLE DISPLAY DEVICE AND FLEXIBLE DISPLAY DEVICE
Publication number
20210230449
Publication date
Jul 29, 2021
LG CHEM, LTD.
Jin Young PARK
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
POLYAMIDE RESIN FILM AND RESIN LAMINATE USING THE SAME
Publication number
20210230425
Publication date
Jul 29, 2021
LG CHEM, LTD.
Il Hwan CHOI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYAMIDE RESIN FILM AND RESIN LAMINATE USING THE SAME
Publication number
20210222007
Publication date
Jul 22, 2021
LG CHEM, LTD.
Il Hwan CHOI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYAMIDEIMIDE COPOLYMER AND POLYAMIDEIMIDE FILM COMPRISING THE SAME
Publication number
20210189067
Publication date
Jun 24, 2021
LG CHEM, LTD.
Bi Oh RYU
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Cross-Linked Polyolefin Separator and Manufacturing Method Therefor
Publication number
20210125792
Publication date
Apr 29, 2021
LG CHEM, LTD.
Bi-Oh Ryu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Separator for Electrochemical Device and Method for Manufacturing t...
Publication number
20210036287
Publication date
Feb 4, 2021
LG CHEM, LTD.
A-Young Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Cross-Linked Polyolefin Separator and Manufacturing Method Thereof
Publication number
20210017351
Publication date
Jan 21, 2021
LG CHEM, LTD.
Joo-Sung Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POLYAMIDE FILM LAMINATE
Publication number
20210002425
Publication date
Jan 7, 2021
LG CHEM, LTD.
Bi Oh RYU
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYAMIDE BLOCK COPOLYMER AND POLYAMIDE FILM INCLUDING THE SAME
Publication number
20200407501
Publication date
Dec 31, 2020
LG CHEM, LTD.
Bi Oh RYU
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Lithium Secondary Battery Comprising A Separator and Manufacturing...
Publication number
20200411826
Publication date
Dec 31, 2020
LG CHEM, LTD.
Joo-Sung Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POLY(AMIDE-IMIDE) COPOLYMER FILM AND METHOD FOR PREPARING SAME
Publication number
20200369816
Publication date
Nov 26, 2020
LG CHEM, LTD.
Bi Oh RYU
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Separator for Electrochemical Device and Method for Manufacturing t...
Publication number
20200373540
Publication date
Nov 26, 2020
LG CHEM, LTD.
A-Young Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Crosslinked Polyolefin Separator and Method for Manufacturing the Same
Publication number
20200365860
Publication date
Nov 19, 2020
LG CHEM, LTD.
Bi-Oh Ryu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Cross-Linked Polyolefin Separator and Manufacturing Method for Same
Publication number
20200266411
Publication date
Aug 20, 2020
LG CHEM, LTD.
Joo-Sung Lee
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Crosslinked Polyolefin Separator and Manufacturing Method Thereof
Publication number
20200266410
Publication date
Aug 20, 2020
LG CHEM, LTD.
Won-Sik Bae
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Crosslinked Polyolefin Separator and Manufacturing Method Therefor
Publication number
20200220139
Publication date
Jul 9, 2020
LG CHEM, LTD.
Joo-Sung Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POLY(AMIDE-IMIDE) COPOLYMER COMPOSITION AND COLORLESS AND TRANSPARE...
Publication number
20200024401
Publication date
Jan 23, 2020
LG CHEM, LTD.
Bi Oh RYU
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PLASTIC LAMINATED FILM
Publication number
20190263095
Publication date
Aug 29, 2019
LG CHEM, LTD.
Kwan Yeol PAEK
B32 - LAYERED PRODUCTS
Information
Patent Application
POLYAMIDEIMIDE COPOLYMERS AND COLORLESS AND TRANSPARENT POLYAMIDEIM...
Publication number
20190153161
Publication date
May 23, 2019
LG CHEM, LTD.
Bi Oh RYU
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
SEPARATOR FOR ELECTROCHEMICAL DEVICE
Publication number
20160218340
Publication date
Jul 28, 2016
LG CHEM, LTD.
Bi-Oh RYU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEPARATOR FOR ELECTROCHEMICAL DEVICE
Publication number
20160204406
Publication date
Jul 14, 2016
LG CHEM, LTD.
Bi-Oh RYU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEPARATOR FOR ELECTROCHEMICAL DEVICE
Publication number
20160149185
Publication date
May 26, 2016
LG CHEM, LTD.
Kyung-Hwan YOON
H01 - BASIC ELECTRIC ELEMENTS