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Yasumoto Shimazu
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Niihama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for evaporating cyclohexanone oxime
Patent number
7,071,360
Issue date
Jul 4, 2006
Sumitomo Chemical Company, Limited
Yasumoto Shimazu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing ε-caprolactam
Patent number
6,433,166
Issue date
Aug 13, 2002
Sumitomo Chemical Company, Limited
Yasumoto Shimazu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing ε-caprolactam
Patent number
6,265,574
Issue date
Jul 24, 2001
Sumitomo Chemical Company, Limited
Masaru Kitamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Apparatus and process for producing ε-caprolactam
Patent number
6,258,949
Issue date
Jul 10, 2001
Sumitomo Chemical Company, Limited
Masaru Kitamura
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Method for evaporating cyclohexanone oxime
Publication number
20020143181
Publication date
Oct 3, 2002
Yasumoto Shimazu
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for producing epsilon-caprolactam
Publication number
20020010329
Publication date
Jan 24, 2002
Yasumoto Shimazu
C07 - ORGANIC CHEMISTRY