Chi Woo Lee

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Koonpo-si, 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
Quinolone carboxylic acid derivatives
- Patent number 6,552,196
- Issue date Apr 22, 2003
- Dong Wha Pharmaceutical Industrial Co., Ltd.
- Sung-Joon Yoon
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Quinolone carboxylic acid derivatives
- Patent number 6,313,299
- Issue date Nov 6, 2001
- Dong Wha Pharmaceutical Industrial Co., Ltd.
- Sung-Joon Yoon
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Quinolone carboxylic acid derivatives
- Patent number 5,496,947
- Issue date Mar 5, 1996
- Dong Wha Pharmaceutical Industrial Co., Ltd.
- Sung-June 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
Information Patent Application
Quinolone carboxylic acid derivatives
- Publication number 20020035258
- Publication date Mar 21, 2002
- Dong Wha Pharmaceutical Industrial Co., Ltd.
- Sung-Joon Yoon
- C07 - ORGANIC CHEMISTRY