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Masatoshi Arakawa
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Tokyo, JP
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last 30 patents
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Patent Grant
Process for producing 1,3-butadiene
Patent number
4,504,692
Issue date
Mar 12, 1985
Japan Synthetic Rubber Co., Ltd.
Masatoshi Arakawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing 1,3-butadiene or 2-methyl-1,3-butadiene havin...
Patent number
4,401,515
Issue date
Aug 30, 1983
Japan Synthetic Rubber Co., Ltd.
Masatoshi Arakawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing carboxylic acid esters of dicyclopentadienes
Patent number
4,390,717
Issue date
Jun 28, 1983
Japan Synthetic Rubber Co., Ltd.
Katuhiro Ishikawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Unsaturated polyester resin compositions
Patent number
4,370,447
Issue date
Jan 25, 1983
Japan Synthetic Rubber Co., Ltd.
Katuhiro Ishikawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for production of methacrylic acid esters
Patent number
4,329,492
Issue date
May 11, 1982
Naoki Andoh
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing methacrylic acid
Patent number
4,246,427
Issue date
Jan 20, 1981
Japan Synthetic Rubber Co., Ltd.
Naoki Andoh
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for purification of isoprene
Patent number
4,147,848
Issue date
Apr 3, 1979
Japan Synthetic Rubber Co. Ltd.
Masatoshi Arakawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cyclopentadiene derivative
Patent number
4,138,419
Issue date
Feb 6, 1979
Japan Synthetic Rubber Co., Ltd.
Masatoshi Arakawa
C07 - ORGANIC CHEMISTRY