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:
May. 01, 2012
Filed:
Dec. 31, 2008
Venkatachalam Eswarakrishnan, Allison Park, PA (US);
Alan J. Kaylo, Glenshaw, PA (US);
Gregory J. Mccollum, Gibsonia, PA (US);
Ellor James Van Buskirk, Wexford, PA (US);
Venkatachalam Eswarakrishnan, Allison Park, PA (US);
Alan J. Kaylo, Glenshaw, PA (US);
Gregory J. McCollum, Gibsonia, PA (US);
Ellor James Van Buskirk, Wexford, PA (US);
PPG Industries Ohio, Inc., Cleveland, OH (US);
Abstract
Provided is an electrodepositable coating composition of a resinous phase dispersed in an aqueous medium, the resinous phase including (a) an active hydrogen-containing, cationic salt group-containing resin; and (b) an at least partially blocked polyisocyanate curing agent. The composition contains an organotin catalyst which is or is derived from a dialkyltin compound having the structure (I):[R][R]—Sn═O  (I)where Rand Rare the same or different, and each independently represents a monovalent hydrocarbon group wherein the sum of the carbon atoms in Rand Ris greater than 8. The catalyst is present in an amount sufficient to effect cure at a temperature at or below 340° F. (171.1° C.). Methods of preparing and using the composition also are provided.