Takeshi Kouchi

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of 1,2,4,5-dimethyldiisopropylbenzene
- Patent number 5,808,169
- Issue date Sep 15, 1998
- Mitsubishi Oil Co., Ltd.
- Hirofumi Aizono
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Alkenylsuccinic acid emulsion sizing agent (2)
- Patent number 5,665,811
- Issue date Sep 9, 1997
- Mitsubishi Oil Co., Ltd.
- Yasusuke Takeda
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Alkenylsuccinic acid emulsion sizing agent (1)
- Patent number 5,639,812
- Issue date Jun 17, 1997
- Mitsubishi Oil Co., Ltd.
- Yasusuke Takeda
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE