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Masashi Yokota
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Niihama-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Process for producing cycloalkanol and/or cycloalkanone
Patent number
7,622,615
Issue date
Nov 24, 2009
Sumitomo Chemical Company, Limited
Hajime Ishida
C07 - ORGANIC CHEMISTRY
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Patent Grant
Method for producing epsilon-caprolactam
Patent number
7,238,803
Issue date
Jul 3, 2007
Sumitomo Chemical Company, Limited
Masashi Yokota
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR PRODUCING CYCLOALKANOL AND/OR CYCLOALKANONE
Publication number
20080255392
Publication date
Oct 16, 2008
Sumitomo Chemical Company, Limited
Hajime Ishida
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for recovering cyclohexanone oxime
Publication number
20080242891
Publication date
Oct 2, 2008
Sumitomo Chemical Company, Limited
Masashi YOKOTA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for producing epsilon-caprolactam
Publication number
20050010020
Publication date
Jan 13, 2005
Sumitomo Chemical Company, Limited
Masashi Yokota
C07 - ORGANIC CHEMISTRY