Tadashi Okamoto

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Ashiya, JA

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing 1,4-benzodiazepines
- Patent number 4,044,003
- Issue date Aug 23, 1977
- Sumitomo Chemical Company, Limited
- Kikuo Ishizumi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of benzodiazepines
- Patent number 4,002,611
- Issue date Jan 11, 1977
- Sumitomo Chemical Company, Limited
- Hisao Yamamoto
- C07 - ORGANIC CHEMISTRY