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:
Feb. 27, 2001
Filed:
Dec. 16, 1999
Applicant:
Inventor:
Takashi Okawa, Niigata-ken, JP;
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 2/9149 ;
U.S. Cl.
CPC ...
C07C 2/9149 ;
Abstract
Isobutylene glycol is produced with a high yield by catalytically reducing methyl hydroxyisobutyrate in the presence of a catalyst containing at least one of copper and ruthenium. The reduction of methyl hydroxyisobutyrate in the presence of the specific catalyst involves selective reduction of only ester group.