Yuuichi Tokumoto

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing .alpha.-(4-isobutylphenyl) propionic acid or i...
- Patent number 5,166,419
- Issue date Nov 24, 1992
- Nippon Petrochemicals Co., Ltd.
- Yuuichi Tokumoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing .alpha.-(4-isobutylphenyl)propionic acid or it...
- Patent number 5,097,061
- Issue date Mar 17, 1992
- Nippon Petrochemicals Co., Ltd.
- Isoo Shimizu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing p-alkylstyrene
- Patent number 4,855,518
- Issue date Aug 8, 1989
- Nippon Petrochemicals Company, Limited
- Isoo Shimizu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing arylethylene
- Patent number 4,855,519
- Issue date Aug 8, 1989
- Nippon Petrochemicals Company
- Isoo Shimizu
- C07 - ORGANIC CHEMISTRY