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:
Mar. 17, 1992
Filed:
Nov. 02, 1989
Applicant:
Inventors:
Herman A Schepers, Stein, NL;
Rene H Seevens, Geleen, NL;
Assignee:
Stamicarbon B.V., Geleen, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
525309 ; 525308 ; 525310 ; 525316 ; 525319 ;
Abstract
The invention relates to a graft copolymer obtainable by reacting a rubbery base polymer, which has been provided with hydroperoxide groups via photo-oxidation, with one or more radical-polymerizable graft monomers, the graft copolymer being based upon 90-20 parts of a rubbery base polymer containing at least 4 (four) hydroperoxide groups per rubber chain and 80-10 parts of one or more of the graft monomers.