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:
Jun. 30, 2015
Filed:
Mar. 15, 2013
Applicant:
Ppg Industries Ohio, Inc., Cleveland, OH (US);
Inventors:
Ellor J. Van Buskirk, Pittsburgh, PA (US);
Craig A. Wilson, Allison Park, PA (US);
David Stone, Pittsburgh, PA (US);
Assignee:
PPG Industries Ohio, Inc., Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 5/44 (2006.01); C25D 13/04 (2006.01); C09D 5/00 (2006.01);
U.S. Cl.
CPC ...
C09D 5/4453 (2013.01); C25D 13/04 (2013.01); C09D 5/00 (2013.01);
Abstract
The present invention is directed to an electrodepositable coating composition comprising a reaction product of an epoxy functional polymer and a cyclic guanidine, and a source of unreacted phenol, wherein the electrodepositable coating composition has a columbic usage of less than 100 coulombs/gram when deposited on a conductive substrate at a current density of ≦1.5 mAmps/cm. Methods of making the electrodepositable coating composition are also disclosed.