Seong-Duk Cho

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Asan-city, KR

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Patents Grantslast 30 patents

Information Patent Grant
Copolymer of alicyclic olefin having secondary hydroxyl group and a...
- Patent number 7,326,520
- Issue date Feb 5, 2008
- Korea Kumho Petrochemical Co., Ltd.
- Hyun-Sang Joo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer and chemically amplified resist composition containing the...
- Patent number 7,285,373
- Issue date Oct 23, 2007
- Korea Kumho Petrochemical Co., Ltd.
- Young-Taek Lim
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Colpolymer of alicyclic olefin having secondary hydroxyl group and...
- Publication number 20060057490
- Publication date Mar 16, 2006
- Korea Kumbo Petrochemical Co., Ltd.
- Hyun-Sang Joo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Novel polymer and chemically amplified resist composition containin...
- Publication number 20050153236
- Publication date Jul 14, 2005
- KOREA KUMHO PETROCHEMICAL CO., LTD.
- Young-Taek Lim
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY