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:
May. 04, 1999
Filed:
Jun. 02, 1998
Applicant:
Inventors:
Margarita Acevedo, Minneapolis, MN (US);
Hans F Huber, Willendorf, AT;
Assignee:
H.B. Fuller Licensing & Financing, Inc., St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528271 ; 522 90 ; 522 97 ; 522104 ; 528272 ; 528296 ; 528302 ;
Abstract
The present invention discloses radiation curable pressure-sensitive adhesives comprising the reaction product of a blend of at least two hydroxy polyesters having different Tgs, and at least one prepolymer functionalized with (Meth) acrylates, isocyanates and mixtures thereof. The present invention further discloses a blend of at least two hydroxy polyesters wherein at least one of the hydroxy polyesters has a Tg of less than -35.degree. C., and at least one of the other hydroxy polyesters has a Tg of greater than about -35.degree. C.