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. 14, 1989
Filed:
Nov. 19, 1987
Applicant:
Inventors:
James E Shrewsburg, Southgate, MI (US);
Edward W Cole, III, Wyandotte, MI (US);
Assignee:
BASF Corporation, Parsippany, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428151 ; 4283166 ; 4283175 ; 4283197 ; 4284234 ; 428904 ;
Abstract
Covered polyurethane foam panels have incorporated in them an adhesion enhancer which is composed of a polyester polyol and a heteric polyether polyol. The polyester polyol is preferably an adduct of adipic acid with ethylene glycol and butanediol. The heteric polyether polyol contains from about 35 weight percent to about 75 weight percent ethylene oxide, the remainder being propylene or butylene oxide and has a functionality from about 2 to about 3.