Sam K. Choi

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Nadimide-terminated polyarylates and cured polyarylate resins
- Patent number 5,241,037
- Issue date Aug 31, 1993
- Korea Research Institute of Chemical Technology
- Kil-Yeong Choi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Novel bis(siloxane) derivatives and a process for their manufacture
- Patent number 4,827,007
- Issue date May 2, 1989
- Korea Advanced Institute of Science and Technology
- Sam Kwon Choi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Antistatic agents, synthesis and use thereof
- Patent number 4,277,584
- Issue date Jul 7, 1981
- Sunkyong Fibers, Ltd.
- Sam Kwon Choi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Antistatic agents, synthesis and use thereof
- Patent number 4,211,859
- Issue date Jul 8, 1980
- Sam K. Choi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...