Masaharu Takayama

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Minoo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Aryl ketones and production thereof
- Patent number 4,012,514
- Issue date Mar 15, 1977
- Sumitomo Chemical Company, Limited
- Junki Katsube
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aryl ketones and production thereof
- Patent number 4,012,515
- Issue date Mar 15, 1977
- Sumitomo Chemical Company, Limited
- Junki Katsube
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Butyrophenone derivatives and production thereof
- Patent number 3,979,390
- Issue date Sep 7, 1976
- Sumitomo Chemical Company, Limited
- Kikuo Sasajima
- C07 - ORGANIC CHEMISTRY