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Toyonaka, JP
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last 30 patents
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Patent Grant
Beta-lactams
Patent number
5,112,966
Issue date
May 12, 1992
Sumitomo Pharmaceuticals Company, Limited
Makoto Sunagawa
C07 - ORGANIC CHEMISTRY
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Patent Grant
Beta-lactams and their production via stereospecific hydrogenation
Patent number
5,075,435
Issue date
Dec 24, 1991
Sumitomo Pharmaceuticals Company, Limited
Makoto Sunagawa
C07 - ORGANIC CHEMISTRY