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:
Jul. 10, 2018
Filed:
Aug. 03, 2011
Applicants:
Nathan J. Silvernail, Allison Park, PA (US);
Mark W. Mcmillen, Cabot, PA (US);
Shan Cheng, Sewickley, PA (US);
Inventors:
Nathan J. Silvernail, Allison Park, PA (US);
Mark W. McMillen, Cabot, PA (US);
Shan Cheng, Sewickley, PA (US);
Assignee:
PPG Industries Ohio, Inc., Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 22/48 (2006.01); C23C 22/50 (2006.01); C23C 22/53 (2006.01); C23C 22/56 (2006.01); C23C 22/74 (2006.01); C23C 22/83 (2006.01); C25D 13/20 (2006.01);
U.S. Cl.
CPC ...
C23C 22/50 (2013.01); C23C 22/53 (2013.01); C23C 22/56 (2013.01); C23C 22/74 (2013.01); C23C 22/83 (2013.01); C25D 13/20 (2013.01); Y10T 428/12493 (2015.01);
Abstract
Disclosed are methods for treating metal substrates that include contacting the substrate with a pretreatment composition comprising a rare earth metal and a zirconyl compound. The present invention also relates to coated substrates produced thereby and further to substrates additionally coated with an electrophoretically applied coating composition.