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Kazutaka Kimura
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Osaka, JP
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Patents Grants
last 30 patents
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Patent Grant
Process for producing retinol and intermediate compounds for produc...
Patent number
6,784,321
Issue date
Aug 31, 2004
Sumitomo Chemical Company, Limited
Toshiya Takahashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing retinol and intermediate compounds for produc...
Patent number
6,660,888
Issue date
Dec 9, 2003
Sumitomo Chemical Company, Limited
Toshiya Takahashi
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Process for producing retinol and intermediate compounds for produc...
Publication number
20040082814
Publication date
Apr 29, 2004
Sumitomo Chemical Company, Limited
Toshiya Takahashi
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Novel sulfone derivatives and process for producing these
Publication number
20040034257
Publication date
Feb 19, 2004
Kazutaka Kimura
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for producing allyl halide compound
Publication number
20020107422
Publication date
Aug 8, 2002
Noriyuki Doi
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for producing retinol and intermediate compounds for produc...
Publication number
20020058844
Publication date
May 16, 2002
Toshiya Takahashi
C07 - ORGANIC CHEMISTRY