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:
Apr. 08, 2008
Filed:
May. 18, 2005
Edward R. Millero, Gibsonia, PA (US);
Masayuki Nakajima, Wexford, PA (US);
Chia-cheng Lin, Allison Park, PA (US);
Shan Cheng, Pittsburgh, PA (US);
James P. Colton, Trafford, PA (US);
Edward R. Millero, Gibsonia, PA (US);
Masayuki Nakajima, Wexford, PA (US);
Chia-Cheng Lin, Allison Park, PA (US);
Shan Cheng, Pittsburgh, PA (US);
James P. Colton, Trafford, PA (US);
PPG Industries Ohio, Inc., Cleveland, OH (US);
Abstract
Multi-layer coatings are disclosed that include (a) a first layer deposited from at least one composition that includes a polymeric composition, and (b) a second layer applied over at least a portion of the first layer in which the second layer is deposited from at least one liquid composition that includes (i) a photocatalytic material, and (ii) a binder that is hydrophilic and comprises an essentially completely hydrolyzed organosilicate. Also disclosed are substrates coated with such multi-layer coatings, methods of applying such multi-layer coatings to a substrate and methods of making a painted surface easy-to-clean.