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:
Feb. 08, 1983
Filed:
Nov. 16, 1981
Applicant:
Inventors:
Michael E Kimball, Ashland, OH (US);
Marvin T Randleman, New London, OH (US);
Assignee:
The Goodyear Tire & Rubber Company, Akron, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 60 ; 252182 ; 528 44 ; 528 76 ; 528 77 ;
Abstract
A curative for a two component isocyanate or polyurethane adhesive composed of a prepolymer component having about 3 to 15 percent free isocyanate, said curative comprising at least one polyol of about 400 to 6000 molecular weight and a polyamine with at least part of said polyol and said diamine being reacted with an organic polyisocyanate to form micelles that exhibit upon NMR examination strong urea peaks and weak urethane peaks. The curative is useful to make an adhesive that is particularly useful for adhering to metals and polyesters.