Takafumi Tsujigami

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Wakayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
4-acylaralkylphenols and derivatives thereof
- Patent number 9,567,281
- Issue date Feb 14, 2017
- Honshu Chemical Industry Co., Ltd.
- Akihiko Ojiri
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing trisphenols and monoester-substituted products...
- Patent number 9,090,547
- Issue date Jul 28, 2015
- Honshu Chemical Industry Co., Ltd.
- Akihiko Ojiri
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Alkyl-substituted tetracyclododecenecarboxylic acid esters, (meth)a...
- Patent number 6,825,374
- Issue date Nov 30, 2004
- Honshu Chemical Industry Co., Ltd.
- Taiichi Shiomi
- 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

Patents Applicationslast 30 patents

Information Patent Application
4-Acylaralkylphenols and Derivatives Thereof
- Publication number 20140221680
- Publication date Aug 7, 2014
- HONSHU CHEMICAL INDUSTRY CO., LTD.
- Akihiko Ojiri
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING TRISPHENOLS AND MONOESTER-SUBSTITUTED PRODUCTS...
- Publication number 20120108853
- Publication date May 3, 2012
- Honshu Chemical Industry Co., Ltd.
- Akihiko Ojiri
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Alkyl-substituted tetracyclododecenecarboxylic acid esters, (meth)a...
- Publication number 20030073864
- Publication date Apr 17, 2003
- Taiichi Shiomi
- C07 - ORGANIC CHEMISTRY