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. 25, 2000
Filed:
Feb. 22, 1999
Applicant:
Inventors:
Alan J Kaylo, Glenshaw, PA (US);
Richard F Karabin, Ruffs Dale, PA (US);
Tie Lan, Lake Zurich, IL (US);
Michael G Sandala, Pittsburgh, PA (US);
Assignee:
PPG Industries Ohio, Inc., Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D / ;
U.S. Cl.
CPC ...
204489 ; 204506 ; 524415 ; 524445 ;
Abstract
Provided are cationic electrodepositable compositions comprised of an acidified aqueous dispersion of (a) an ungelled cationic resin, (b) a curing agent having at least two functional groups which are reactive with (a), and (c) an exfoliated silicate derived from a layered silicate. These compositions exhibit improved crater control. Also provided is a method of electrocoating conductive substrates using such compositions.