Ryoichi Okamoto

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cephalosporin derivatives and bactericides containing the same
- Patent number 4,758,557
- Issue date Jul 19, 1988
- Meiji Seika Kaisha, Ltd.
- Takashi Tsuruoka
- C07 - ORGANIC CHEMISTRY