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:
Nov. 21, 1978
Filed:
Dec. 28, 1976
Applicant:
Inventors:
Frank G Cowherd, III, Charleston, WV (US);
Louis F Theiling, Jr, Charleston, WV (US);
Assignee:
Union Carbide Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07D / ;
U.S. Cl.
CPC ...
520166 ; 544388 ; 548341 ; 2603264 ; 560 27 ; 560 33 ; 560118 ; 560121 ; 560123 ; 560124 ; 546245 ;
Abstract
Unsaturated carbamoyloxy carboxylates having low color are produced by reacting hydroxyalkyl carbamates such as N-methyl 2-hydroxyethyl carbamate with acrylic or methacrylic acid in contact with a lower alkoxy substituted phenolic or alkylated alkoxyphenolic polymerization inhibitor at a critical low reaction temperature of 40.degree. C. to 80.degree. C. Novel unsaturated carbamoyloxy carboxylates are also disclosed.