Kiyohito Imai

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Niigata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Copper catalyzed process for producing 4-substituted azetidinone de...
- Patent number 5,808,055
- Issue date Sep 15, 1998
- Suntory Limited
- Masashi Nakajima
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 4-substituted azetidinone derivatives
- Patent number 5,731,431
- Issue date Mar 24, 1998
- Nippon Soda Co., Ltd.
- Yuuki Nakagawa
- C07 - ORGANIC CHEMISTRY