Osamu Maruyama

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Misawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing aminocarbazoles
- Patent number 6,965,037
- Issue date Nov 15, 2005
- Sumitomo Chemical Company, Limited
- Takashi Kamikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for production of N-substituted carbazoles
- Patent number 5,254,700
- Issue date Oct 19, 1993
- Sumitomo Chemical Company, Limited
- Masashi Kamitamari
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Treatment of hydroperoxide mixture
- Patent number 5,166,451
- Issue date Nov 24, 1992
- Sumitomo Chemical Company, Limited
- Akira Takeshita
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Method for producing aminocarbazoles
- Publication number 20020183526
- Publication date Dec 5, 2002
- TAKASHI KAMIKAWA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING AMINOCARBAZOLES
- Publication number 20010049448
- Publication date Dec 6, 2001
- TAKASHI KAMIKAWA
- C07 - ORGANIC CHEMISTRY