Ryotaro Hirano

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing p-isobutylstyrene and a starting compound therefor
- Patent number 4,827,065
- Issue date May 2, 1989
- Nippon Petrochemicals Company, Limited
- Isoo Shimizu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing .alpha.-(p-isobutylphenyl)propionic acid or it...
- Patent number 4,694,100
- Issue date Sep 15, 1987
- Nippon Petrochemicals Company, Ltd.
- Isoo Shimizu
- C07 - ORGANIC CHEMISTRY