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:
Jun. 23, 1987
Filed:
Mar. 06, 1985
Applicant:
Inventors:
Siegmund Besecke, Seeheim-Jugenheim, DE;
Guenter Schroeder, Ober-Ramstadt, DE;
Assignee:
Rohm GmbH, Darmstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564135 ; 564134 ; 564137 ; 564138 ; 564141 ;
Abstract
What is disclosed is a method for making an amide of acrylic acid or of methacrylic acid by the reaction of an alkyl ester of acrylic acid or of methacrylic acid with an amine at a temperature between 50.degree. C. and 180.degree. C., whereby the reaction with the amine is carried out in the presence of a catalytic amount of a compound of a metal of Group IVB of the periodic table of the elements or of a compound of lead, zinc, or tantalum.