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. 16, 1996
Filed:
Mar. 05, 1993
Applicant:
Inventor:
Arden E Schmucker, Alliance, OH (US);
Assignee:
GenCorp, Fairlawn, OH (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; C08G / ; C08G / ; C08L / ;
U.S. Cl.
CPC ...
4284231 ; 524196 ; 524198 ; 524590 ; 524871 ; 528 60 ; 528 61 ; 528 64 ;
Abstract
A polyurethane adhesive formed from (I) an NCO terminated prepolymer with excess of NCO and talc, and (II) a polyol, a urethane catalyst, talc and a minor amount of certain aryl or aromatic polyamines exhibits good sag and thixotropic properties and, also, exhibits good lap shear strength when cured between treatment-free substrates.