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:
Nov. 17, 2015
Filed:
Sep. 10, 2014
Ppg Industries Ohio, Inc., Cleveland, OH (US);
John E Schwendeman, Wexford, PA (US);
Shanti Swarup, Allison Park, PA (US);
Mark Edward Endlish, Chicora, PA (US);
Xiangling Xu, Pittsburgh, PA (US);
PPG Industries Ohio, Inc., Cleveland, OH (US);
Abstract
The present invention is directed to curable film-forming compositions comprising: (a) a curing agent component comprising: (i) isocyanate functional groups; and (ii) polydialkylsiloxane functional groups; (b) a film-forming polymer comprising functional groups reactive with the isocyanate functional groups in (a); and (c) an acrylic polymer component comprising: (i) hydroxyl functional groups; and (ii) polydialkylsiloxane functional groups; wherein the components (a), (b) and (c) are different from one another. The present invention is further directed methods of mitigating dirt build-up on a substrate, comprising applying to at least a portion of the substrate the curable film-forming composition described above and at least partially curing the curable film-forming composition.