The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7230145 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 12, 2007

Filed:

Jun. 28, 2004
Applicants:

Yasushi Kadowaki, Oita, JP;

Masato Kaneda, Oita, JP;

Hiroshi Uchida, Oita, JP;

Inventors:

Yasushi Kadowaki, Oita, JP;

Masato Kaneda, Oita, JP;

Hiroshi Uchida, Oita, JP;

Assignee:

Showa Denko K.K., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 29/151 (2006.01); C07C 29/15 (2006.01); C07C 31/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

A process for producing a both end-hydroxyl group-terminated diol, wherein an epoxy alcohol represented by the general formula (1) is subjected to a hydrogenolysis reaction in the presence of a catalyst for producing both end-hydroxyl group terminated diols, which catalyst contains at least one element selected from the group consisting of Group V elements, Group VI elements, Group VII elements, Group VIII elements, Group IX elements, Group X elements, and Group XI elements in the periodic table, in the presence of at least one solvent selected from the group consisting of ethers, esters, aromatic hydrocarbon compounds, alicyclic hydrocarbon compounds and aliphatic hydrocarbon compounds, to thereby obtain a both end-hydroxyl group-terminated diol represented by general formula (2). General formula (1) and (2) are as described in the specification.


Find Patent Forward Citations

Kadowaki, Yasushi. (2007). Catalyst for producing both end-hydroxyl group-terminated diols, process for producing the catalyst, process for producing the diols by using the catalyst, and both end-hydroxyl group-terminated diols obtained by the process (U.S. Patent No. 7230145). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7230145

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…