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. 17, 2012
Filed:
Feb. 08, 2006
Caroline S. Harris, Pittsburgh, PA (US);
Cheri M. Boykin, Wexford, PA (US);
Songwei LU, Wexford, PA (US);
Scott D. Walck, Oceanside, CA (US);
Caroline S. Harris, Pittsburgh, PA (US);
Cheri M. Boykin, Wexford, PA (US);
Songwei Lu, Wexford, PA (US);
Scott D. Walck, Oceanside, CA (US);
PPG Industries Ohio, Inc., Cleveland, OH (US);
Abstract
A coated substrate is disclosed. The coated substrate includes a substrate; an undercoating layer comprising at least one layer selected from a mixture of silica and zirconia; a mixture of silica and alumina; or a mixture of silica, alumina and titania overlaying at least a portion of the substrate; and a functional coating overlaying at least a portion of the undercoating. The coated substrates of the invention exhibit improved properties such as increased durability, photocatalytic activity, etc. as a result of the undercoating layer.