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Yukio Hirayama
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Yokohama, JP
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last 30 patents
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Patent Grant
1,3-dithiole derivatives and pharmaceutical compositions
Patent number
4,737,494
Issue date
Apr 12, 1988
Banyu Pharmaceutical Co., Ltd.
Mitsuo Yano
C07 - ORGANIC CHEMISTRY
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Patent Grant
Anti-hepatitis and anti-cirrhotic 1,3-dithiol-2-ylidene derivatives...
Patent number
4,668,799
Issue date
May 26, 1987
Banyu Pharmaceutical Co., Ltd.
Junji Yoshizawa
C07 - ORGANIC CHEMISTRY