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:
Apr. 07, 1992
Filed:
Nov. 14, 1990
Applicant:
Inventors:
Aubert Y Coran, Akron, OH (US);
Leonard H Davis, Buffalo Grove, IL (US);
Assignee:
Monsanto Company, St. Louis, MO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
524516 ; 524526 ; 525192 ; 525203 ;
Abstract
Butadiene polymer rubber compositions containing a polymeric activator have particularly beneficial characteristics. The activator is an interpolymer of 2-vinylpyridine monomer and 1,3-butadiene monomer, optionally with styrene, which interpolymer contains from 20% to 65% by weight of vinylpyridine units, and is mostly insoluble in boiling tetrahydrofuran.