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Shuzabu Sakaguchi
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Tokyo, JP
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last 30 patents
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Patent Grant
Methylthiophenol derivatives and p-methylthiophenyl chloroformates...
Patent number
5,187,311
Issue date
Feb 16, 1993
Mitsubishi Gas Chemical Company, Inc.
Mutsuhiko Takeda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for production of sulfonium compounds
Patent number
5,149,857
Issue date
Sep 22, 1992
Mitsubishi Gas Chemical Company, Inc.
Mutsuhiko Takeda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for production of sulfonium compounds and novel methylthiph...
Patent number
5,075,476
Issue date
Dec 24, 1991
Mitsubishi Gas Chemical Company, Inc.
Mutsuhiko Takeda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing benzophenone-azine
Patent number
4,751,326
Issue date
Jun 14, 1988
Mitsubishi Gas Chemical Company, Inc.
Takanari Nawata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing benzophenone-azines
Patent number
4,727,190
Issue date
Feb 23, 1988
Mitsubishi Gas Chemical Company, Inc.
Takanari Nawata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing hydrazine hydrohalogenide
Patent number
4,628,119
Issue date
Dec 9, 1986
Mitsubishi Gas Chemical Co., Inc.
Takanari Nawata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing benzophenone-azines
Patent number
4,347,383
Issue date
Aug 31, 1982
Mitsubishi Gas Chemical Company, Inc.
Tomiya Isshiki
C07 - ORGANIC CHEMISTRY