Tohr Yamanaka

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Kamakura, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing polycondensates of .omega.-oxypentadecanoic acid
- Patent number 4,419,292
- Issue date Dec 6, 1983
- Takasago Perfumery Co., Ltd.
- Tohr Yamanaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Production of .omega.-alkene-1-ols
- Patent number 4,288,642
- Issue date Sep 8, 1981
- Takasago Perfumery Co., Ltd.
- Tohr Yamanaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing menthone
- Patent number 4,134,919
- Issue date Jan 16, 1979
- Takasago Perfumery Co., Ltd.
- Tohr Yamanaka
- C07 - ORGANIC CHEMISTRY