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. 25, 1977
Filed:
Jun. 22, 1976
Applicant:
Inventors:
Wilhelm Gruber, Darmstadt, DT;
Guenter Schroeder, Ober-Ramstadt, DT;
Assignee:
Rohm GmbH, Darmstadt, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560179 ; 560212 ; 560 96 ; 560265 ; 560190 ; 560187 ; 560205 ;
Abstract
In a method for making a carboxylic acid ester by the reaction of the corresponding carboxylic acid amide with a primary alcohol in the presence of a catalyst at elevated temperature, the improvement wherein said catalyst is an at least partially dissolved metal carboxylate or a compound forming a metal carboxylate by reaction in situ with a carboxylic acid, the anion of which metal carboxylate is the anion of said carboxylic acid.