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:
Sep. 26, 1978
Filed:
Jun. 07, 1976
Applicant:
Inventors:
Assignee:
Deutsche Gold-und Silber-Scheideanstalt vormals Roessler, Frankfurt am Main, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
560217 ;
Abstract
An improved process for the trans-esterification of esters of acrylic or methacrylic acid in the presence of a trans-esterification catalyst and a polymerization inhibitor includes the use of about 0.05 to about 10% by weight of an alkali metal cyanide as the catalyst.