Kazuhiko Yao

Person

Wakayama, JP

People

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
Method of producing pure 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylc...
- Patent number 6,972,344
- Issue date Dec 6, 2005
- Honshu Chemical Industry Co., Ltd.
- Kazuhiko Yao
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing high purity 1,1-bis(4-hydroxyphenyl)cyclohexanes
- Patent number 6,875,896
- Issue date Apr 5, 2005
- Honshu Chemical Industry Co., Ltd.
- Kazuhiko Yao
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydroxyphenyl adamantanes and process for the production of the same
- Patent number 6,720,460
- Issue date Apr 13, 2004
- Honshu Chemical Industry Co., Ltd.
- Akira Yoshikawa
- 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
Method for removing butyl groups from butyl phenol compounds
- Patent number 6,512,149
- Issue date Jan 28, 2003
- Honshu Chemical Industry Co., Ltd.
- Kazuhiko Yao
- 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
Information Patent Grant
Process for producing 3,3',5,5'-tetra-t butylbiphenol
- Patent number 6,118,029
- Issue date Sep 12, 2000
- Honshu Chemical Industry Co., Ltd.
- Yoichiro Isota
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Method of producing pure 1,1-bis-(4-hydroxyphenyl)-3,3,5- trimethyl...
- Publication number 20050165258
- Publication date Jul 28, 2005
- Kazuhiko Yao
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for producing high purity 1,1-bis(4-hydroxyphenyl)cyclohexanes
- Publication number 20050004405
- Publication date Jan 6, 2005
- Kazuhiko Yao
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Hydroxyphenyl adamantanes and process for the production of the same
- Publication number 20030187307
- Publication date Oct 2, 2003
- Akira Yoshikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for removing butyl groups from butyl phenol compounds
- Publication number 20020007092
- Publication date Jan 17, 2002
- Kazuhiko Yao
- C07 - ORGANIC CHEMISTRY

Kazuhiko Yao

Person

Patents Grantslast 30 patents

Process for producing 1, 1-bis(4-hydroxyphenyl)-3,3,5-trimethylcycl...

Method of producing pure 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylc...

Method for producing high purity 1,1-bis(4-hydroxyphenyl)cyclohexanes

Hydroxyphenyl adamantanes and process for the production of the same

Process for production of 1,1-bis(4-hydroxyphenyl)-3,3,5-trimethylc...

Method of producing 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcycloh...

Method for producing 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclo...

Method for removing butyl groups from butyl phenol compounds

Process for producing 3, 3, 5-trimethylcyclohexylidenebisphenol

Process for producing 3,3',5,5'-tetra-t butylbiphenol

Patents Applicationslast 30 patents

Method of producing pure 1,1-bis-(4-hydroxyphenyl)-3,3,5- trimethyl...

Method for producing high purity 1,1-bis(4-hydroxyphenyl)cyclohexanes

Hydroxyphenyl adamantanes and process for the production of the same

Method for removing butyl groups from butyl phenol compounds