Seiryu Uto

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Tokushima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparation of azetidinone derivatives
- Patent number 4,713,452
- Issue date Dec 15, 1987
- Otsuka Kagaku Kabushiki Kaisha
- Sigeru Torii
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing thiosulfonate derivatives
- Patent number 4,609,438
- Issue date Sep 2, 1986
- Otsuka Kagaku Kabushiki Kaisha
- Sigeru Torii
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for preparing 2,2-bishalomethylpenam derivatives
- Patent number 4,599,151
- Issue date Jul 8, 1986
- Otsuka Kagaku Kabushiki Kaisha
- Sigeru Torii
- C07 - ORGANIC CHEMISTRY