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:
Mar. 22, 1983
Filed:
Dec. 19, 1980
Applicant:
Inventor:
Werner H Muller, Eppstein, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562459 ; 260405 ; 562503 ; 562508 ; 562577 ; 562578 ;
Abstract
5-Oxoalkanoic acids are prepared by addition of a ketone containing at least one hydrogen atom in the .alpha.-position with regard to the keto group, to an .alpha.,.beta.-unsaturated acid. As catalysts secondary amines are present.