Jay Hyok Chang

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Taejon, KR

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing 4-substituted 1H-pyrrole-3-carboxylic acid ester
- Patent number 6,559,320
- Issue date May 6, 2003
- LG Chem Investment Ltd.
- Hyun Ik Shin
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
NOVEL PROCESS FOR PREPARING 4-SUBSTITUTED-1H-PYRROLE-3-CARBOXYLIC A...
- Publication number 20030069432
- Publication date Apr 10, 2003
- Hyun Ik Shin
- C07 - ORGANIC CHEMISTRY