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Yoshiharu Murotani
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Toyama, JP
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last 30 patents
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Patent Grant
Penam derivatives and salts thereof, process for producing the same...
Patent number
5,300,497
Issue date
Apr 5, 1994
Toyama Chemical Co., Ltd.
Hirokazu Ochiai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Penam derivatives and salts thereof, and antibacterial agent compri...
Patent number
5,185,330
Issue date
Feb 9, 1993
Toyama Chemical Co., Ltd.
Hirokazu Ochiai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Novel process for producing a cephalosporin
Patent number
4,736,026
Issue date
Apr 5, 1988
Toyama Chemical Co., Ltd.
Hiroyuki Imaizumi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aminothiazole intermediate for a cephalosporin
Patent number
4,656,287
Issue date
Apr 7, 1987
Toyoma Chemical Co., Ltd.
Hiroyuki Imaizumi
C07 - ORGANIC CHEMISTRY