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Daejeon Metropolitan City, KR
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Patents Grants
last 30 patents
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
Foam composition and foam tape including foam layer including cured...
Patent number
11,667,765
Issue date
Jun 6, 2023
LG Chem, Ltd.
Beom Doo Seo
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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
Optical film and polarization plate comprising the same
Patent number
10,816,712
Issue date
Oct 27, 2020
LG Chem, Ltd.
Byoung Jun Mun
G02 - OPTICS
Information
Patent Grant
Resin composition for optical material and optical film comprising...
Patent number
10,633,530
Issue date
Apr 28, 2020
LG Chem, Ltd.
Joong Hoon Lee
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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
Information
Patent Grant
Method for preparing microporous polyolefin film by thermally-induc...
Patent number
9,803,057
Issue date
Oct 31, 2017
LG Chem, Ltd.
Bong-Tae Kim
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for preparing microporous polyolefin film by thermally-induc...
Patent number
9,505,899
Issue date
Nov 29, 2016
LG Chem, Ltd.
Bong-Tae Kim
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Composition for preparing separator, method for preparing separator...
Patent number
8,765,023
Issue date
Jul 1, 2014
LG Chem, Ltd.
Bong-Tae Kim
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Multi-component composite film method for preparing the same
Patent number
8,617,645
Issue date
Dec 31, 2013
LG Chem Ltd.
Seung-Jin Lee
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Alkali developable photosensitive resin composition and dry film ma...
Patent number
8,551,687
Issue date
Oct 8, 2013
LG Chem, Ltd.
Kwang-Joo Lee
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Metallic laminate and method for preparing the same
Patent number
8,426,029
Issue date
Apr 23, 2013
LG Chem, Ltd.
Byung-Nam Kim
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Low temperature curable photosensitive resin composition and dry fi...
Patent number
8,288,656
Issue date
Oct 16, 2012
LG Chem, Ltd.
Kwang-Joo Lee
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Metallic laminate and method for preparing the same
Patent number
8,221,842
Issue date
Jul 17, 2012
LG Chem, Ltd.
Byung-Nam Kim
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Metallic laminate and method of manufacturing the same
Patent number
8,034,460
Issue date
Oct 11, 2011
LG Chem, Ltd.
Byung Nam Kim
B32 - LAYERED PRODUCTS
Information
Patent Grant
Multi-component composite film method for preparing the same
Patent number
7,709,153
Issue date
May 4, 2010
LG Chemical Co., Ltd.
Seung-Jin Lee
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Double-sided metallic laminate and method for manufacturing the same
Patent number
7,491,447
Issue date
Feb 17, 2009
LG Chem, Ltd.
Soon-yong Park
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Multi-component composite film method for preparing the same
Patent number
7,470,488
Issue date
Dec 30, 2008
LG Chemical Co., Ltd.
Seung-Jin Lee
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Multi-component composite membrane and method for preparing the same
Patent number
7,087,269
Issue date
Aug 8, 2006
LG Chemical Co., Ltd.
Sang-Young Lee
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Electrochemical device using multicomponent composite membrane film
Patent number
7,014,948
Issue date
Mar 21, 2006
LG Chem, Ltd.
Seung-Jin Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High crystalline polypropylene microporous membrane, multi-componen...
Patent number
6,830,849
Issue date
Dec 14, 2004
LG Chemical Co., Ltd.
Sang-Young Lee
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Methods for reforming polymer surface for improved wettability
Patent number
6,710,098
Issue date
Mar 23, 2004
LG Chemical Ltd.
Sang-Young Lee
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Microporous membrane and method for providing the same
Patent number
6,540,953
Issue date
Apr 1, 2003
LG Chemical Ltd.
Sang-Young Lee
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
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
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
Foam Composition and Foam Tape Including Foam Layer Including Cured...
Publication number
20200385542
Publication date
Dec 10, 2020
LG CHEM, LTD.
Beom Doo Seo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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 Therefor
Publication number
20200220139
Publication date
Jul 9, 2020
LG CHEM, LTD.
Joo-Sung Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL FILM AND POLARIZATION PLATE COMPRISING THE SAME
Publication number
20190025489
Publication date
Jan 24, 2019
LG CHEM, LTD.
Byoung Jun Mun
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
RESIN COMPOSITION FOR OPTICAL MATERIAL AND OPTICAL FILM COMPRISING...
Publication number
20180273742
Publication date
Sep 27, 2018
LG CHEM, LTD.
Joong Hoon Lee
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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
Information
Patent Application
METHOD OF MANUFACTURING SEPARATOR FOR ELECTROCHEMICAL DEVICE AND SE...
Publication number
20160141574
Publication date
May 19, 2016
LG CHEM, LTD.
Bi-Oh RYU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CROSSLINKED POLYOLEFIN SEPARATOR AND METHOD OF PREPARING THE SAME
Publication number
20160126518
Publication date
May 5, 2016
LG CHEM, LTD.
Cheon-Il PARK
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHOD FOR PREPARING MICROPOROUS POLYOLEFIN FILM BY THERMALLY-INDUC...
Publication number
20150031780
Publication date
Jan 29, 2015
LG CHEM, LTD.
Bong-Tae KIM
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHOD FOR PREPARING MICROPOROUS POLYOLEFIN FILM BY THERMALLY-INDUC...
Publication number
20150018442
Publication date
Jan 15, 2015
LG CHEM, LTD.
Bong-Tae KIM
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
COMPOSITION FOR PREPARING SEPARATOR, METHOD FOR PREPARING SEPARATOR...
Publication number
20140011093
Publication date
Jan 9, 2014
LG CHEM, LTD.
Bong-Tae KIM
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METALLIC LAMINATE AND METHOD FOR PREPARING THE SAME
Publication number
20120243186
Publication date
Sep 27, 2012
Byung-Nam Kim
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
POLYAMIC ACID, POLYIMIDE, PHOTOSENSITIVE RESIN COMPOSITION COMPRISI...
Publication number
20120012366
Publication date
Jan 19, 2012
LG CHEM, LTD.
Kwang-Joo LEE
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYAMIC ACID, POLYIMIDE, PHOTOSENSITIVE RESIN COMPOSITION COMPRISI...
Publication number
20110200939
Publication date
Aug 18, 2011
LG CHEM, LTD.
Kwang-Joo LEE
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
LOW TEMPERATURE CURABLE PHOTOSENSITIVE RESIN COMPOSITION AND DRY FI...
Publication number
20110067907
Publication date
Mar 24, 2011
LG CHEM, LTD.
Kwang-Joo LEE
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PREPARING POLYIMIDE AND POLYIMIDE PREPARED USING THE SAME
Publication number
20100316877
Publication date
Dec 16, 2010
LG CHEM Ltd.
Heon-Sik Song
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ALKALI DEVELOPABLE PHOTOSENSITIVE RESIN COMPOSITION AND DRY FILM M...
Publication number
20100113640
Publication date
May 6, 2010
LG CHEM, LTD.
Kwang-Joo Lee
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
MULTI-COMPONENT COMPOSITE FILM METHOD FOR PREPARING THE SAME
Publication number
20090263591
Publication date
Oct 22, 2009
LG CHEMICAL CO., LTD.
Seung-Jin LEE
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Copper Clad Laminate for Chip on Film
Publication number
20090139753
Publication date
Jun 4, 2009
LG CHEM, LTD.
Byung-Nam Kim
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Metallic Laminate and Method for Preparing the Same
Publication number
20090101393
Publication date
Apr 23, 2009
Byung-Nam Kim
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
MULTI-COMPONENT COMPOSITE FILM METHOD FOR PREPARING THE SAME
Publication number
20090042104
Publication date
Feb 12, 2009
LG CHEMICAL CO., LTD.
Seung-Jin LEE
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Double-sided metallic laminate and method for manufacturing the same
Publication number
20070042202
Publication date
Feb 22, 2007
LG CHEM, LTD.
Soon-yong Park
B32 - LAYERED PRODUCTS
Information
Patent Application
Metallic laminate and method of manufacturing the same
Publication number
20070023874
Publication date
Feb 1, 2007
Byung Nam Kim
B32 - LAYERED PRODUCTS
Information
Patent Application
Separator for secondary battery and porous film made of polyolefin...
Publication number
20060188786
Publication date
Aug 24, 2006
Sang-Young Lee
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Metallic laminate and method for preparing thereof
Publication number
20060063016
Publication date
Mar 23, 2006
Joo-eun Ko
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Multi-component composite membrane and method for preparing the same
Publication number
20040213985
Publication date
Oct 28, 2004
Sang-Young Lee
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL