Tae Chung Kang

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Goyang-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Dyes and methods of preparing them
- Patent number 6,734,290
- Issue date May 11, 2004
- Kyung-In Synthetic Corporation
- Sung Yong Cho
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Dyes and methods of preparing them
- Publication number 20040024189
- Publication date Feb 5, 2004
- Sung Yong Cho
- C07 - ORGANIC CHEMISTRY