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.:
Date of Patent:
Oct. 17, 2017
Filed:
Dec. 27, 2013
Applicant:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Inventors:
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 41/28 (2006.01); C07C 43/13 (2006.01);
U.S. Cl.
CPC ...
C07C 41/28 (2013.01); C07C 43/132 (2013.01); C07C 43/135 (2013.01);
Abstract
A method for producing a polyether diol includes the step of subjecting a compound represented by the following general formula (1) to hydrogenation reduction in the presence of a hydrogenation catalyst to provide a specific polyether diol.