Mikio Kawahara

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Wakayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for continuously producing 3,3′,5,5′-tetra-t...
- Patent number 6,835,859
- Issue date Dec 28, 2004
- Honshu Chemical Industry Co., Ltd.
- Mikio Kawahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of producing 4,4′-biphenol
- Patent number 6,794,548
- Issue date Sep 21, 2004
- Honschu Chemical Industry Co., Ltd.
- Mikio Kawahara
- 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
Information Patent Grant
Method for preparing p,p'-biphenol
- Patent number 5,099,076
- Issue date Mar 24, 1992
- Honshu Chemical Industry Co., Ltd.
- Katsunori Takahashi
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Method of producing 4,4'-biphenol
- Publication number 20040147790
- Publication date Jul 29, 2004
- Mikio Kawahara
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for continuously producing 3,3',5,5'-tetra-t-butyl-4,4'-biph...
- Publication number 20040122263
- Publication date Jun 24, 2004
- Mikio Kawahara
- C07 - ORGANIC CHEMISTRY