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. 05, 2016
Filed:
Mar. 15, 2013
Ppg Industries Ohio, Inc., Cleveland, OH (US);
Brian C. Okerberg, Gibsonia, PA (US);
Richard M. Vargas, Mayfield Village, OH (US);
Randall J. Brent, Solon, OH (US);
John F. McIntyre, Bay Village, OH (US);
Mark W. McMillen, Cabot, PA (US);
Nathan J. Silvernail, Allison Park, PA (US);
PPG Industries Ohio, Inc., Cleveland, OH (US);
Abstract
Disclosed are methods for treating metal substrates, including ferrous substrates, such as cold rolled steel and electrogalvanized steel. The methods include contacting the metal substrates with a conditioning composition including a free fluoride source and then depositing a pretreatment composition including a Group IIIB and/or IVB metal on a portion of the substrate contacted with the conditioning composition. Also disclosed are electrophoretically coated substrates treated by the methods.