Wang Yong Yang

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Kyunggi-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Optically active quinoline carboxylic acid derivatives with 7-pyrro...
- Patent number 6,753,430
- Issue date Jun 22, 2004
- Dong Wha Pharm. Ind. Co., Ltd.
- Sung June Yoon
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active quinoline carboxylic acid derivatives with 7-pyrro...
- Patent number 6,649,763
- Issue date Nov 18, 2003
- Dong Wha Pharm. Ind. Co., Ltd.
- Sung June Yoon
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2,5-pyridinedicarboxylic acid derivatives
- Patent number 6,306,860
- Issue date Oct 23, 2001
- Dong Wha Pharm. Inc. Co., Ltd.
- Sung Joon Yoon
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Optically active quinoline carboxylic acid derivatives with 7-pyrro...
- Publication number 20040029915
- Publication date Feb 12, 2004
- Sung June Yoon
- C07 - ORGANIC CHEMISTRY