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:
Jan. 10, 2006
Filed:
Apr. 30, 2004
Laura Ann Lewin, Greenville, DE (US);
Brian Patrick Devlin, Berwyn, PA (US);
Donald Albert Paquet, Jr., Troy, MI (US);
James Lamonte Adams, Glenside, PA (US);
Laura Ann Lewin, Greenville, DE (US);
Brian Patrick Devlin, Berwyn, PA (US);
Donald Albert Paquet, Jr., Troy, MI (US);
James Lamonte Adams, Glenside, PA (US);
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
A two-stage cure coating composition of a binder and a crosslinking component; the binder comprises and acrylic polymer having a weight average molecular weight of 3,000 to 50,000 and hydroxyl moieties in the range of 7.0 to 40.0 weight; wherein at least 40.0 weight percent of the hydroxyl moieties are provided by hydroxy butyl acrylate; the crosslinking component comprises an organic polyisocyanate; and the first stage curing of a finish of the composition forms a water spot free finish within 90 minutes of application and the composition has a pot life of less than a 2 second rise in Zahn cup viscosity in 150 minutes; and the invention also is directed to a method of producing a finish on a substrate utilizing the coating composition.