Yoshinari Yamaguchi

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Suita, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for recovering N-vinyl-2-pyrrolidone
- Patent number 6,436,243
- Issue date Aug 20, 2002
- Nippon Shokubai Co Ltd
- Yoshinari Yamaguchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of recovering and dehydrating ethylene sulfide
- Patent number 5,833,813
- Issue date Nov 10, 1998
- Nippon Shokubai Co., Ltd.
- Hitoshi Yano
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing alkylene sulfides
- Patent number 5,304,656
- Issue date Apr 19, 1994
- Nippon Shokubai Co., Ltd.
- Hitoshi Yano
- C07 - ORGANIC CHEMISTRY