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. 06, 2009
Filed:
Sep. 14, 2005
Michael J. Ziegler, Cranberry Township, PA (US);
William H. Retsch, Jr., Castle Shannon, PA (US);
Michael J. Ziegler, Cranberry Township, PA (US);
William H. Retsch, Jr., Castle Shannon, PA (US);
PPG Industries Ohio, Inc., Cleveland, OH (US);
Abstract
Disclosed are multi-component waterborne coating compositions that include a first component and a second component which are mixed together prior to application of the composition to a substrate. The first component includes an aqueous dispersion of (i) a polycarbonate-polyurethane polymer, and (ii) an acrylic polyol having a number average molecular weight of no more than 5,000. The second component includes a material having functional groups reactive with the functional groups of the acrylic polyol and/or the polycarbonate-polyurethane polymer. Also disclosed are coatings formed from such compositions and substrates at least partially coated with such compositions.