Kanji Tokuyama

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Production of hydroxymethylbutenoic acids via oxidation
- Patent number 4,581,173
- Issue date Apr 8, 1986
- Shionogi & Co., Ltd.
- Teruji Tsuji
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing phosphine oxides
- Patent number 4,511,738
- Issue date Apr 16, 1985
- Shionogi & Co., Ltd.
- Kanji Tokuyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing L-ascorbic acid
- Patent number 4,491,668
- Issue date Jan 1, 1985
- Shionogi & Co., Ltd.
- Kenji Ikawa
- C07 - ORGANIC CHEMISTRY