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. 04, 2014
Filed:
Sep. 07, 2010
Robin M. Peffer, Valencia, PA (US);
Edward F. Rakiewicz, Gibsonia, PA (US);
Michael J. Pawlik, Glenshaw, PA (US);
Michelle S. Miles, Mercer, PA (US);
Robin M. Peffer, Valencia, PA (US);
Edward F. Rakiewicz, Gibsonia, PA (US);
Michael J. Pawlik, Glenshaw, PA (US);
Michelle S. Miles, Mercer, PA (US);
PPG Industries Ohio, Inc., Cleveland, OH (US);
Abstract
A process for applying a coating on aluminum substrates by anionic or cationic electrodeposition of an electrodeposition coating including an aqueous dispersion of one or more lanthanide series elements having a +3/+4 oxidation state and phosphated epoxy resin made by phosphating a polyepoxide with both phosphoric acid and an organophosphonic acid and/or an organophosphinic acid. The coating has a reduced tendency to form pinholes.