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:
Apr. 26, 1977
Filed:
Jun. 30, 1976
Applicant:
Inventor:
William J Ehmann, Orange Park, FL (US);
Assignee:
SCM Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07B / ; C07C / ;
U.S. Cl.
CPC ...
2605 / ; 2524 / ; 2604 / ; 2605 / ;
Abstract
In a process for the catalytic hydrogenation of unsaturated compounds, which process is characterizable as employing for the active catalyst a glyoxime complexed with cobalt and a base, referred to as a cobaloxime catalyst, the improvement for obtaining increased conversion and/or yield comprising employing a large excess of the glyoxime complexing agent in the hydrogenation reaction. The invention is particularly applicable to the selective reduction of certain .alpha.,.beta.-unsaturated aliphatic ketones and is described with reference to the highly selective hydrogenation of carvone to dihydrocarvone.