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. 24, 2016
Filed:
Jul. 18, 2013
Applicant:
Invista North America S.a R.l., Wilmington, DE (US);
Inventors:
Hong Liu, Waynesboro, VA (US);
Carmen A. Covelli, Chadds Ford, PA (US);
Douglas K. Farmer, Greensboro, NC (US);
Assignee:
INVISTA North America S.a.r.l., Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K 3/20 (2006.01); C08G 18/08 (2006.01); C08G 18/12 (2006.01); C08G 18/48 (2006.01); C08G 18/66 (2006.01); C08G 18/76 (2006.01);
U.S. Cl.
CPC ...
C08K 3/20 (2013.01); C08G 18/0823 (2013.01); C08G 18/0895 (2013.01); C08G 18/12 (2013.01); C08G 18/4808 (2013.01); C08G 18/4854 (2013.01); C08G 18/6692 (2013.01); C08G 18/7671 (2013.01); C08G 2170/80 (2013.01); Y10T 428/24802 (2015.01);
Abstract
Novel aqueous polyurethane dispersions and shaped three dimensional articles formed therefrom are provided. The aqueous polyurethane dispersions are provided in solvent-free systems of a prepolymer comprising at least one polyether, polyester, or polycarbonate polyol, a mixture of MDI isomers, and a diol. The shaped articles from such dispersions can be heat-activated for bonding, lamination, and adhesion of substrates, including stretch fabrics.