Koohyeon Ahn

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Kyunggi-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
3-methyl -chromane or thiochromane derivatives
- Patent number 6,555,571
- Issue date Apr 29, 2003
- CHUGAI SEIYAKU KABUSHIKI KAISHA
- JaeChon Jo
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
3-methyl -chromane or thiochromane derivatives
- Publication number 20030013756
- Publication date Jan 16, 2003
- JaeChon Jo
- C07 - ORGANIC CHEMISTRY