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:
May. 11, 1982
Filed:
Feb. 25, 1980
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; B01J / ;
U.S. Cl.
CPC ...
560 60 ; 252430 ; 2524 / ; 560179 ;
Abstract
A method for the asymmetric hydrogenation of .alpha.-ketoesters which comprises subjecting an .alpha.-ketoester containing an .alpha.-ketoester grouping of the formula: --CO--COO-- to assymmetric hydrogenation in the presence of a platinum-alumina catalyst modified with a solution of a cinchona-alkaloid.
Orito, Yoshio. (1982). Method for the asymmetric hydrogenation of .alpha.-ketoesters (U.S. Patent No. 4329487). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4329487
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