Yuichi Hatada

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
3-Oxoalkylidene-2-azetidinone derivatives
- Patent number 4,803,266
- Issue date Feb 7, 1989
- Taisho Pharmaceutical Co., Ltd.
- Yutaka Kawashima
- C07 - ORGANIC CHEMISTRY