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. 19, 2001
Filed:
May. 11, 1999
Thomas Palaika, Cheswick, PA (US);
Ellor J. Van Buskirk, Wexford, PA (US);
Victor G. Corrigan, North Olmsted, OH (US);
Venkatachalam Eswarakrishnan, Allison Park, PA (US);
Gregory J. McCollum, Gibsonia, PA (US);
Robert R. Zwack, Allison Park, PA (US);
Philippe Faucher, Levallois-Perret, FR;
Craig A. Wilson, Allison Park, PA (US);
Chester J. Szymanski, Allison Park, PA (US);
James E. Poole, Gibsonia, PA (US);
Keith S. Ritter, Allison Park, PA (US);
Richard F. Syput, New Kensington, PA (US);
PPG Industries Ohio, Inc., Cleveland, OH (US);
Abstract
A process for applying two electrodeposited coatings, one on top of the other, to an electrically conductive substrate is provided. An electrically conductive first coating is applied to provide for corrosion resistance and a second polyurethane-based coating is applied to the first coating to provide chip resistance. Also, aqueous dispersions of the polyurethane coating compositions are disclosed.