Shuzo Hayakawa

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparation of phthalide derivatives
- Patent number 4,684,732
- Issue date Aug 4, 1987
- Mitsubishi Chemical Industries Limited
- Masao Taniguchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing 7.alpha.-acylthio-4-en-3-oxosteroids
- Patent number 4,323,500
- Issue date Apr 6, 1982
- Mitsubishi Chemical Industries, Limited
- Hiromi Okushima
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing steroid-carboxylates
- Patent number 4,265,816
- Issue date May 5, 1981
- Mitsubishi Chemical Industries, Ltd.
- Hiromi Okushima
- C07 - ORGANIC CHEMISTRY