Woo Chul NA

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Uiwang-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Phosphonium compound, preparation method thereof, epoxy resin compo...
- Patent number 9,896,465
- Issue date Feb 20, 2018
- Samsung SDI Co., Ltd.
- Dong Hwan Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Epoxy resin composition and semiconductor apparatus prepared using...
- Patent number 9,153,513
- Issue date Oct 6, 2015
- Samsung SDI Co., Ltd.
- Woo Chul Na
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
PHOSPHONIUM COMPOUND, PREPARATION METHOD THEREOF, EPOXY RESIN COMPO...
- Publication number 20160368937
- Publication date Dec 22, 2016
- Samsung SDI Co., Ltd.
- Dong Hwan LEE
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
EPOXY RESIN COMPOSITION AND SEMICONDUCTOR APPARATUS PREPARED USING...
- Publication number 20150021763
- Publication date Jan 22, 2015
- Samsung SDI Co., Ltd.
- Woo Chul NA
- H01 - BASIC ELECTRIC ELEMENTS