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:
Sep. 22, 2009
Filed:
Aug. 10, 2005
Chandra Tier Miller, Bear, DE (US);
Andrea Miller-simmons, Legal Representative, Bronx, NY (US);
Faye Michelle Corman, Barrington, NJ (US);
Ernest Byron Wysong, Hockessin, DE (US);
Chandra Tier Miller, Bear, DE (US);
Andrea Miller-Simmons, legal representative, Bronx, NY (US);
Faye Michelle Corman, Barrington, NJ (US);
Ernest Byron Wysong, Hockessin, DE (US);
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
A composition comprising a mixture, having a maximum molar ratio of acid to base of 0.6 and providing water repellency when applied to a substrate surface without etching of said surface, of A) an anionic aqueous fluoroalkyl phosphate solution which provides at least about 75% of the total fluorine content of said composition, and B) a cationic copolymer of fluoroalkyl(meth)acrylate or perfluoroalkylether(meth)acrylate present at a minimum of 0.3 g per 100 g of said composition.