Masashi Yabuno

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Kurashiki-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Production method of highly pure pyromellitic dianhydride
- Patent number 7,569,707
- Issue date Aug 4, 2009
- Mitsubishi Gas Chemical Company, Inc.
- Hiroshi Ogawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing aromatic polycarboxylic acid
- Patent number 6,458,994
- Issue date Oct 1, 2002
- Mitsubishi Gas Chemical Company, Inc.
- Atsushi Okoshi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of trimellitic acid and process for the...
- Patent number 5,895,820
- Issue date Apr 20, 1999
- Mitsubishi Gas Chemical Company, Inc.
- Kazuo Tanaka
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR PRODUCTION OF HIGH-PURITY TRIMELLITIC ACID
- Publication number 20110112323
- Publication date May 12, 2011
- Mitsubishi Gas Chemical Company, Inc.
- Takeshi Kawai
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Production method of highly pure pyromellitic dianhydride
- Publication number 20070021622
- Publication date Jan 25, 2007
- Hiroshi Ogawa
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing aromatic polycarboxylic acid
- Publication number 20020016501
- Publication date Feb 7, 2002
- Mitsubishi Gas Chemical Company, Inc.
- Atsushi Okoshi
- C07 - ORGANIC CHEMISTRY