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. 24, 2001
Filed:
Apr. 09, 1999
Applicant:
Inventors:
Assignee:
Henkel Corporation, Gulph Mills, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 1/800 ; C08G 6/532 ; C08F 2/000 ; C08L 7/102 ; C09J 4/00 ;
U.S. Cl.
CPC ...
C08G 1/800 ; C08G 6/532 ; C08F 2/000 ; C08L 7/102 ; C09J 4/00 ;
Abstract
Difficult-to-bond substrates possessing low surface energies are bonded with moisture curable polyurethane hot melt adhesive comprising a polyurethane prepolymer which is the reaction product of a polyol component and a polyisocyanate component, wherein said polyol component comprises a polyester polyol which is the reaction product of diacid comprising aromatic diacid and optional co-monomer diacid and diol, with the proviso that said diacid is substantially free of phthalic acid or derivatives thereof.