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Patents Grants
last 30 patents
Information
Patent Grant
Compound for enhancing adhesion properties of polyimide resin and p...
Patent number
11,773,117
Issue date
Oct 3, 2023
LG Chem, Ltd.
Cheolmin Yun
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyimide precursor solution and method for producing same
Patent number
11,655,337
Issue date
May 23, 2023
LG Chem, Ltd.
Cheolmin Yun
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyimide copolymer and polyimide film using same
Patent number
11,549,013
Issue date
Jan 10, 2023
LG Chem, Ltd.
Cheolmin Yun
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyimide precursor solution and polyimide film produced using same
Patent number
11,479,643
Issue date
Oct 25, 2022
LG Chem, Ltd.
Cheolmin Yun
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyimide precursor composition and polyimide film using same
Patent number
11,466,124
Issue date
Oct 11, 2022
LG Chem, Ltd.
Cheolmin Yun
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Diamine compound and method for producing same
Patent number
11,319,282
Issue date
May 3, 2022
LG Chem, Ltd.
Cheolmin Yun
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyimide and polyimide film, prepared therefrom, for flexible display
Patent number
11,319,409
Issue date
May 3, 2022
LG Chem, Ltd.
Hye Won Jeong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Polyimide film forming composition and polyimide film produced by u...
Patent number
11,261,304
Issue date
Mar 1, 2022
LG Chem, Ltd.
Bo Ra Shin
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyimide laminated film roll body and method for manufacturing same
Patent number
11,248,098
Issue date
Feb 15, 2022
LG Chem, Ltd.
Cheolmin Yun
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Laminate for manufacturing flexible substrate and method for manufa...
Patent number
11,118,015
Issue date
Sep 14, 2021
LG Chem, Ltd.
Hye Won Jeong
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Polyimide precursor solution and method for producing same
Patent number
10,899,886
Issue date
Jan 26, 2021
LG Chem, Ltd.
Cheolmin Yun
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Laminate, and element comprising substrate manufactured using same
Patent number
10,882,957
Issue date
Jan 5, 2021
LG Chem, Ltd.
Hye Won Jeong
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyimide-based solution and polyimide-based film produced using same
Patent number
10,647,883
Issue date
May 12, 2020
LG Chem Ltd.
Cheolmin Yun
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Modified polyimide and curable resin composition
Patent number
10,556,979
Issue date
Feb 11, 2020
LG Chem, Ltd.
Cheolmin Yun
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Composition for the production of polyimide film for flexible board...
Patent number
10,544,266
Issue date
Jan 28, 2020
LG Chem, Ltd.
Cheolmin Yun
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for fabricating flexible substrate
Patent number
10,517,171
Issue date
Dec 24, 2019
LG Chem, Ltd.
Hye Won Jeong
B32 - LAYERED PRODUCTS
Information
Patent Grant
Laminated body comprising metal wire layer, and manufacturing metho...
Patent number
10,512,171
Issue date
Dec 17, 2019
LG Chem, Ltd.
Hye Won Jeong
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Laminite, and element comprising substrate manufactured using same
Patent number
10,414,869
Issue date
Sep 17, 2019
LG Chem, Ltd.
Hye Won Jeong
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Modified polyimide and curable resin composition
Patent number
10,316,128
Issue date
Jun 11, 2019
LG Chem, Ltd.
Cheolmin Yun
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Method for forming metal particle layer and light emitting device f...
Patent number
10,161,046
Issue date
Dec 25, 2018
LG Chem, Ltd.
Hee Han
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Polyimide-based solution and polyimide-based film produced using same
Patent number
10,144,847
Issue date
Dec 4, 2018
LG Chem, Ltd.
Cheolmin Yun
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Laminate and thin-film solar cell comprising same
Patent number
10,121,923
Issue date
Nov 6, 2018
LG Chem, Ltd.
Hee Han
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Laminate, and element comprising substrate manufactured using same
Patent number
10,035,883
Issue date
Jul 31, 2018
LG Chem, Ltd.
Hye Won Jeong
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Laminate, and element comprising substrate manufactured using same
Patent number
9,611,358
Issue date
Apr 4, 2017
LG Chem, Ltd.
Hye Won Jeong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Polyamic acid polymer composite and preparation method thereof
Patent number
9,278,488
Issue date
Mar 8, 2016
LG Chem, Ltd.
HangAh Park
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polyimide and photoresist resin composition comprising thereof
Patent number
9,012,595
Issue date
Apr 21, 2015
LG Chem, Ltd.
Sang Woo Kim
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Photoreactive polymer and process of making the same
Patent number
RE45219
Issue date
Oct 28, 2014
LG Chem, Ltd.
Heon Kim
526 - Synthetic resins or natural rubbers
Information
Patent Grant
Photoreactive polymer and process of making the same
Patent number
7,795,361
Issue date
Sep 14, 2010
LG Chem, Ltd.
Heon Kim
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Photoreactive compound, liquid crystal alignment layer using the co...
Patent number
7,422,778
Issue date
Sep 9, 2008
LG Chem, Ltd.
Byung Hyun Lee
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
POLYIMIDE COPOLYMER AND POLYIMIDE FILM USING SAME
Publication number
20210292555
Publication date
Sep 23, 2021
LG CHEM, LTD.
Cheolmin YUN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYIMIDE PRECURSOR SOLUTION AND METHOD FOR PRODUCING SAME
Publication number
20210179780
Publication date
Jun 17, 2021
LG CHEM, LTD.
Cheolmin YUN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYIMIDE PRECURSOR SOLUTION AND POLYIMIDE FILM PRODUCED USING SAME
Publication number
20200095376
Publication date
Mar 26, 2020
LG CHEM, LTD.
Cheolmin YUN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYIMIDE AND POLYIMIDE FILM, PREPARED THEREFROM, FOR FLEXIBLE DISPLAY
Publication number
20200062904
Publication date
Feb 27, 2020
LG CHEM, LTD.
Hye Won JEONG
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
LAMINATE FOR MANUFACTURING FLEXIBLE SUBSTRATE AND METHOD FOR MANUFA...
Publication number
20200062906
Publication date
Feb 27, 2020
LG CHEM, LTD.
Hye Won JEONG
B32 - LAYERED PRODUCTS
Information
Patent Application
POLYIMIDE LAMINATED FILM ROLL BODY AND METHOD FOR MANUFACTURING SAME
Publication number
20200040152
Publication date
Feb 6, 2020
LG CHEM, LTD.
Cheolmin YUN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
COMPOUND FOR ENHANCING ADHESION PROPERTIES OF POLYIMIDE RESIN AND P...
Publication number
20200010679
Publication date
Jan 9, 2020
LG CHEM, LTD.
Cheolmin YUN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYIMIDE PRECURSOR COMPOSITION AND POLYIMIDE FILM USING SAME
Publication number
20190345288
Publication date
Nov 14, 2019
LG CHEM, LTD.
Cheolmin YUN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
MODIFIED POLYIMIDE AND CURABLE RESIN COMPOSITION
Publication number
20190309118
Publication date
Oct 10, 2019
LG CHEM, LTD.
Cheolmin YUN
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
DIAMINE COMPOUND AND METHOD FOR PRODUCING SAME
Publication number
20190292138
Publication date
Sep 26, 2019
LG CHEM, LTD.
Cheolmin YUN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYIMIDE FILM FORMING COMPOSITION AND POLYIMIDE FILM PRODUCED BY U...
Publication number
20190276618
Publication date
Sep 12, 2019
LG CHEM, LTD.
Bo Ra SHIN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
HIGH-STRENGTH TRANSPARENT POLYAMIDIMIDE AND METHOD FOR PREPARING SAME
Publication number
20190077915
Publication date
Mar 14, 2019
LG CHEM, LTD.
Cheolmin YUN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYIMIDE-BASED SOLUTION AND POLYIMIDE-BASED FILM PRODUCED USING SAME
Publication number
20190062590
Publication date
Feb 28, 2019
LG CHEM, LTD.
Cheolmin YUN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYIMIDE PRECURSOR SOLUTION AND METHOD FOR PRODUCING SAME
Publication number
20190048141
Publication date
Feb 14, 2019
LG CHEM, LTD.
Cheolmin YUN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYIMIDE FILM HAVING IMPROVED HEAT RESISTANCE AND METHOD FOR MANUF...
Publication number
20190048143
Publication date
Feb 14, 2019
LG CHEM, LTD.
Ye Ji HONG
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
HIGH STRENGTH TRANSPARENT POLYAMIDE-IMIDE AND METHOD FOR PREPARING...
Publication number
20190023846
Publication date
Jan 24, 2019
LG CHEM, LTD.
Cheolmin YUN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYAMIDE-IMIDE, METHOD FOR PREPARING SAME, AND POLYAMIDE-IMIDE FIL...
Publication number
20190016849
Publication date
Jan 17, 2019
LG CHEM, LTD.
Cheolmin YUN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
HIGH-STRENGTH TRANSPARENT POLYAMIDE-IMIDE AND METHOD FOR MANUFACTUR...
Publication number
20190010292
Publication date
Jan 10, 2019
LG CHEM, LTD.
Cheolmin YUN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
LAMINATE, AND ELEMENT COMPRISING SUBSTRATE MANUFACTURED USING SAME
Publication number
20180334541
Publication date
Nov 22, 2018
LG CHEM, LTD.
Hye Won JEONG
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
LAMINATED BODY COMPRISING METAL WIRE LAYER, AND MANUFACTURING METHO...
Publication number
20180007799
Publication date
Jan 4, 2018
LG CHEM, LTD.
Hye Won JEONG
B32 - LAYERED PRODUCTS
Information
Patent Application
METHOD FOR FABRICATING FLEXIBLE SUBSTRATE
Publication number
20170374737
Publication date
Dec 28, 2017
LG CHEM, LTD.
Hye Won JEONG
B32 - LAYERED PRODUCTS
Information
Patent Application
MODIFIED POLYIMIDE AND CURABLE RESIN COMPOSITION
Publication number
20170226257
Publication date
Aug 10, 2017
LG CHEM, LTD.
Cheolmin YUN
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
COMPOSITION FOR THE PRODUCTION OF POLYIMIDE FILM FOR FLEXIBLE BOARD...
Publication number
20170096530
Publication date
Apr 6, 2017
LG CHEM, LTD.
Cheolmin YUN
G02 - OPTICS
Information
Patent Application
POLYIMIDE-BASED SOLUTION AND POLYIMIDE-BASED FILM PRODUCED USING SAME
Publication number
20160251545
Publication date
Sep 1, 2016
LG CHEM, LTD.
Cheolmin YUN
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
LAMINATE AND THIN-FILM SOLAR CELL COMPRISING SAME
Publication number
20160071989
Publication date
Mar 10, 2016
LG CHEM, LTD.
Hee Han
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR FORMING METAL PARTICLE LAYER AND LIGHT EMITTING DEVICE F...
Publication number
20150249195
Publication date
Sep 3, 2015
LG CHEM, LTD.
Hee Han
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
LAMINITE, AND ELEMENT COMPRISING SUBSTRATE MANUFACTURED USING SAME
Publication number
20150239210
Publication date
Aug 27, 2015
LG CHEM, LTD.
Hye Won Jeong
B32 - LAYERED PRODUCTS
Information
Patent Application
LAMINATE, AND ELEMENT COMPRISING SUBSTRATE MANUFACTURED USING SAME
Publication number
20150232621
Publication date
Aug 20, 2015
LG CHEM, LTD.
Hye Won Jeong
B32 - LAYERED PRODUCTS
Information
Patent Application
LAMINATE, AND ELEMENT COMPRISING SUBSTRATE MANUFACTURED USING SAME
Publication number
20150210048
Publication date
Jul 30, 2015
LG CHEM, LTD.
Hye Won Jeong
B32 - LAYERED PRODUCTS
Information
Patent Application
POLYAMIC ACID POLYMER COMPOSITE AND PREPARATION METHOD THEREOF
Publication number
20140316074
Publication date
Oct 23, 2014
LG CHEM, LTD.
HangAh Park
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...