Kazuaki Sano

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Hoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for purifying 7-dimethylamino-6-demethyl-6-deoxytetracycline
- Patent number 5,202,449
- Issue date Apr 13, 1993
- Nippon Kayaku Kabushiki Kaisha
- Ryoichi Hasegawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 7-dimethylamino-6-demethyl-6-deoxytetracycline
- Patent number 4,918,208
- Issue date Apr 17, 1990
- Nippon Kayaku Kabushiki Kaisha
- Ryoichi Hasegawa
- C07 - ORGANIC CHEMISTRY