Sun Kyung Hwang

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Taejeon-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Benzopyran derivatives substituted with a thioxobenzoxazole derivat...
- Patent number 7,420,060
- Issue date Sep 2, 2008
- Schaeffler KG
- Hong Lim
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Furancarbonylguanidine derivatives, their preparation and pharmaceu...
- Patent number 7,351,843
- Issue date Apr 1, 2008
- Korea Research Institute of Chemical Technology
- Kyu Yang Yi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzopyran derivatives substituted with a benzimidazole derivative,...
- Patent number 7,309,793
- Issue date Dec 18, 2007
- Dongbu Hannong Chemical Co., Ltd.
- Hong Lim
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzopyran derivatives substituted with secondary amines including...
- Patent number 7,279,497
- Issue date Oct 9, 2007
- Korea Research Institute of Chemical Technology
- Kyu Yang Yi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzopyranyl guanidine derivatives, process for preparation thereof...
- Patent number 6,323,238
- Issue date Nov 27, 2001
- Dongbu Hannong Chemical Co., Ltd.
- Sung-Eun Yoo
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Furancarbonylguanidine Derivatives, Their Preparation and Pharmaceu...
- Publication number 20070299131
- Publication date Dec 27, 2007
- KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
- Kyu Yang Yi
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Benzopyran derivatives substituted with a thioxobenzoxazole derivat...
- Publication number 20070093481
- Publication date Apr 26, 2007
- Sun Kyung Hwang
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Benzopyran derivatives substituted with a benzimidazole derviative,...
- Publication number 20060293376
- Publication date Dec 28, 2006
- Hong Lim
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Benzopyran derivatives substituted with secondary amines including...
- Publication number 20050267188
- Publication date Dec 1, 2005
- Kyu Yang Yi
- C07 - ORGANIC CHEMISTRY