Kazushi Hirokawa

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Niigata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of .alpha.-bromo, .omega.-chloroalkanes
- Patent number 5,880,318
- Issue date Mar 9, 1999
- Shin-Etsu Chemical Co., Ltd.
- Takehiko Fukumoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of phosphonium salts
- Patent number 5,481,040
- Issue date Jan 2, 1996
- Shin-Etsu Chemical Co., Ltd.
- Takehiko Fukumoto
- C07 - ORGANIC CHEMISTRY