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:
Jul. 16, 1991
Filed:
Jun. 15, 1990
Applicant:
Inventors:
Harry A Biletch, Lexington, MA (US);
Emanuiel Cooper, Nesmith, SC (US);
Assignee:
Polysar Financial Services S.A., Fribourg, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525 66 ; 525179 ;
Abstract
Polymer alloys having improved toughness comprise a blend of 20 to 30 weight percent of a polyamide; 15 to 30 weight percent of a rubbery polymer and 60 to 40 weight percent of a vinyl polymer containing 1 to 10 weight percent of a vinyl isocyanate monomer. Preferred isocyanate monomers are m- or p-isopropenyl-alpha, alpha dimethylbenzyl isocyanate.