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. 11, 1997
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Youlu Duan, Minneapolis, MN (US);
Sonja Stammler, St. Criox, MN (US);
Scott Rhein, Forest Lake, MN (US);
Lowell Lindquist, St. Paul, MN (US);
Assignee:
H.B. Fuller Licensing & Financing, Inc., Arden Hills, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C09J / ; B32B / ;
U.S. Cl.
CPC ...
524840 ; 1563311 ; 1563314 ; 1563317 ; 4284231 ; 4284234 ; 4284237 ; 4284242 ; 4284246 ; 4284248 ; 4284251 ; 4284258 ; 524500 ; 524507 ; 524591 ; 525123 ; 525127 ; 525440 ; 525454 ; 525455 ; 525457 ; 525528 ; 528 71 ; 528905 ;
Abstract
Aqueous dispersion adhesives of anionic polyurethanes which have high heat resistance and low activation temperature, even when employed without addition of a crosslinker. The polyurethane is the reaction product of an isocyanate terminated polyurethane prepolymer, and water. The polyurethane prepolymer is the reaction product of a polyol component and a diisocyanate component, the polyol component including: