Toru Nakaguchi

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Wakayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing 1, 1-bis(4-hydroxyphenyl)-3,3,5-trimethylcycl...
- Patent number 6,992,227
- Issue date Jan 31, 2006
- Honshu Chemical Industry Co., Ltd.
- Kazuhiko Yao
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for production of 1,1-bis(4-hydroxyphenyl)-3,3,5-trimethylc...
- Patent number 6,673,974
- Issue date Jan 6, 2004
- Honshu Chemical Industry Co. Ltd.
- Kazuhiko Yao
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of producing 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcycloh...
- Patent number 6,673,973
- Issue date Jan 6, 2004
- Honshu Chemical Industry Co., Ltd.
- Kazuhiko Yao
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclo...
- Patent number 6,673,975
- Issue date Jan 6, 2004
- Honshu Chemical Industry Co., Ltd.
- Kazuhiko Yao
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for production of 1,3-di(2-p-hydroxyphenyl-2-propyl)benzene
- Patent number 6,326,522
- Issue date Dec 4, 2001
- Honshu Chemical Industry Co. Ltd.
- Toru Nakaguchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 3, 3, 5-trimethylcyclohexylidenebisphenol
- Patent number 6,284,931
- Issue date Sep 4, 2001
- Honshu Chemical Industry Co., Ltd.
- Yoichiro Isota
- C07 - ORGANIC CHEMISTRY