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Atsuhiro Onishi
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Takasago, JP
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last 30 patents
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Patent Grant
Blowing agents of tetrazoles and their derivatives
Patent number
5,646,292
Issue date
Jul 8, 1997
Toyo Kasei Kogyo Company Limited
Satoshi Nakagawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of tetrazole amine salts having improved physical properties...
Patent number
5,439,251
Issue date
Aug 8, 1995
Toyo Kasei Kogyo Company Limited
Atsuhiro Onishi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Blowing agents of the tetrazoles and their derivatives
Patent number
5,346,927
Issue date
Sep 13, 1994
Toyo Kasei Kogyo Company, Ltd.
Atsuhiro Onishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Blowing agents of the tetrazoles and their derivatives
Patent number
5,331,017
Issue date
Jul 19, 1994
Toyo Kasei Kogyo Company, Limited
Atsuhiro Onishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of manufacturing methanesulfonyl chloride
Patent number
4,997,535
Issue date
Mar 5, 1991
Toyo Kasei Kogyo Company Limited
Hideki Tatsumi
C07 - ORGANIC CHEMISTRY