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:
Jan. 13, 1987
Filed:
May. 30, 1985
Applicant:
Inventors:
Michel Gay, Lyons, FR;
Claude Millet, Saint-Priest, FR;
Assignee:
Rhone-Poulenc Recherches, Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08L / ;
U.S. Cl.
CPC ...
525 63 ; 525410 ; 525411 ; 525415 ; 525440 ; 525474 ; 528 26 ; 528 27 ; 604403 ;
Abstract
Novel silicone/polylactone graft copolymers, well suited as polymer composition additives, especially those destined for biomedical applications, have the average general formula: ##STR1## in which p is an integer or decimal ranging from 1.5 to 6, q is an integer or decimal ranging from 0 to 20, A is a divalent hydrocarbon having from 2 to 20 carbon atoms, n is an integer ranging from 3 to 12, m is an integer ranging from 2 to 25, the radicals R', which may be identical or different, are each hydrogen or C.sub.1 -C.sub.4 alkyl, and R is a hydrocarbon having up to 24 carbon atoms.