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:
Feb. 15, 2011
Filed:
Mar. 16, 2006
Donald Douglas May, Chadds Ford, PA (US);
Donald Douglas May, Chadds Ford, PA (US);
E.I. du Pont de Nemours and Company, Wilimington, DE (US);
Abstract
A treated pigment comprising: (a) an inorganic pigment; (b) an organic compound comprises a fluoroalkyl group and a hydrocarbon group and having the structure: R-L-R, wherein Ris a fluorochemical component containing at least one Zerewitinoff hydrogen; Ris an aliphatic group of 1-30 carbons, cycloaliphatic group of 3-30 carbons, an aromatic group of 6-30 carbons, or a group having the structure: R'—(OCHCHR″)—(OCHCH)—O—, wherein R′ is H or an aliphatic group of 1-20 carbons, R″ is H or methyl; and x′ and y′ are the same or different integers ranging from 0-20 except that the sum of x′ and y′ is at least 1 when R′ is H; and L is selected from the group CO, isocyanate, and a mixture of polyisocyanates containing at least three isocyanate groups per R-L-Rstructure. Plastic articles containing a pigment and the organic compound have improved cleanability with all the other needed properties and without the negative property of chaulking.