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. 02, 1976
Filed:
Jun. 19, 1974
Applicant:
Inventors:
Lowhardt A Schoen, Geleen, NL;
Franciscus A Busschers, Spaubeek, NL;
Assignee:
Stamicarbon, B.V., Geleen, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428424 ; 156315 ; 156331 ; 260858 ; 260887 ; 427407 ; 428516 ; 428517 ;
Abstract
A process for improving the adhesive properties of the surface of a body or article derived from co-polymers or terpolymers of ethylene and propylene wherein the surface of the article or body is treated with a primer containing an isocyanate-terminated prepolymer which is the reaction product of a rubber-like, hydroxyl-containing alkadiene-derived polymer and an organic diisocyanate.