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:
Aug. 03, 1976
Filed:
Mar. 27, 1975
Applicant:
Inventors:
Francois Dawans, Bougival, FR;
Denise Nicolas, Maurepas, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08C / ; C08F / ;
U.S. Cl.
CPC ...
526 14 ; 526 15 ; 526 19 ; 526 56 ; 526 49 ; 526335 ; 526339 ; 526340 ; 526342 ; 526324 ;
Abstract
Cyanocarboxylate polymers and copolymers are prepared by reacting a polymer or copolymer of conjugated diolefin with a cyanocarboxylate compound of the formula: ##EQU1## where R and R' are hydrogen atoms or alkyl, cycloalkyl, aryl or acyl groups of 1-12 carbon atoms, or R is a COOR' group or halogen. The resulting polymers or copolymers are useful as finishing agents or additives for unsaturated elastomers.