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Shigeo Wake
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Saijo, JP
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last 30 patents
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Patent Grant
Process for producing 1,4-dicyano-2-butene and catalyst therefor
Patent number
5,637,751
Issue date
Jun 10, 1997
Sumitomo Chemical Company, Limited
Katsuharu Imi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing 1,4-dicyano-2-butene
Patent number
5,463,103
Issue date
Oct 31, 1995
Sumitomo Chemical Company, Limited
Shinji Nishii
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Heat-resisting optical fiber
Patent number
4,576,438
Issue date
Mar 18, 1986
Sumitomo Chemical Company, Limited
Yoshiharu Tatsukami
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for producing phenols
Patent number
4,390,736
Issue date
Jun 28, 1983
Sumitomo Chemical Company, Limited
Yasuhiko Inoue
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of azo compounds from amino compounds i...
Patent number
4,272,435
Issue date
Jun 9, 1981
Sumitomo Chemical Company, Limited
Teruo Matsuda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of 2,2'-azobis(2-methylpropionitrile)
Patent number
4,252,717
Issue date
Feb 24, 1981
Sumitomo Chemical Company, Limited
Shigeo Wake
C07 - ORGANIC CHEMISTRY