Yiu-Suk Lee

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Dongjak-gu, KR

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing prostaglandin derivatives and starting materi...
- Patent number 7,345,181
- Issue date Mar 18, 2008
- Yonsung Fine Chemical Co., Ltd.
- Yong-Hyun Kim
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing prostaglandin derivatives and stereospecific...
- Patent number 6,989,458
- Issue date Jan 24, 2006
- Yonsung Fine Chemical Co.
- Won-Hun Ham
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing sulfamoyl-substituted phenethylamine derivatives
- Patent number 6,914,159
- Issue date Jul 5, 2005
- Yonsung Fine Chemical Co., Ltd.
- Won Hun Ham
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing prostalglandin derivatives and stereospecific...
- Patent number 6,852,880
- Issue date Feb 8, 2005
- Yonsung Fine Chemical Co.
- Won-Hun Ham
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process for preparing prostaglandin derivatives and starting materi...
- Publication number 20050272943
- Publication date Dec 8, 2005
- Yonsung Fine Chemical Co., Ltd.
- Yong-Hyun Kim
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for preparing prostaglandin derivatives and stereospecific...
- Publication number 20050192451
- Publication date Sep 1, 2005
- Won-Hun Ham
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for preparing prostalglandin derivatives and stereospecific...
- Publication number 20040116693
- Publication date Jun 17, 2004
- Won-Hun Ham
- C07 - ORGANIC CHEMISTRY