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:
Oct. 30, 2018
Filed:
Nov. 04, 2015
Applicant:
Ppg Industries Ohio, Inc., Cleveland, OH (US);
Inventors:
Adam Kolcun, Oakmont, PA (US);
Richard M. Vargas, Willoughby, OH (US);
Kevin T. Sylvester, Lawrence, PA (US);
Nathan J. Silvernail, Allison Park, PA (US);
John F. McIntyre, Bay Village, OH (US);
Assignee:
PPG industries Ohio, Inc., Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 5/10 (2006.01); C23C 22/80 (2006.01);
U.S. Cl.
CPC ...
C09D 5/10 (2013.01);
Abstract
Disclosed is a pretreatment composition containing (a) a Group IIIB metal, a Group IVB metal, or combinations thereof; and (b) a compound containing at least six phosphorus-containing acid groups or salts thereof; wherein the molar ratio of (a) to (b) is at least 3:1. Also disclosed are methods of treating a substrate with the pretreatment composition and substrates treated with the pretreatment composition.