Sungcheol Yoon

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Daejeon-city, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method of preparing phosphonium compound for cyclic olefin polymeri...
- Patent number 7,638,653
- Issue date Dec 29, 2009
- LG Chem, Ltd.
- Sungcheol Yoon
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Method of preparing phosphonium compound for cyclic olefin polymeri...
- Publication number 20070027277
- Publication date Feb 1, 2007
- Sungcheol Yoon
- C07 - ORGANIC CHEMISTRY