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. 01, 1999
Filed:
Jun. 03, 1997
Applicant:
Inventors:
Raphael O Kollah, Pittsburgh, PA (US);
Matthew S Scott, Pittsburgh, PA (US);
Gregory J McCollum, Gibsonia, PA (US);
Joseph A Bethoski, Pittsburgh, PA (US);
Assignee:
PPG Industries Ohio, Inc., Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ; C25D / ; C25D / ; C25D / ;
U.S. Cl.
CPC ...
528 45 ; 204499 ; 204501 ; 204502 ; 204504 ; 204505 ; 4274301 ; 427435 ; 427457 ; 427458 ; 502167 ; 502170 ; 502200 ; 502353 ; 523414 ; 523415 ; 523416 ; 524590 ; 524591 ; 524594 ; 524596 ; 524597 ; 524598 ; 524612 ; 524724 ; 524780 ; 524840 ; 525396 ; 525398 ; 525452 ; 525453 ; 525481 ; 525523 ; 525528 ; 528 48 ; 528 52 ; 528 73 ; 528 92 ; 528 93 ; 528236 ; 528406 ; 528407 ; 528409 ; 528 71 ;
Abstract
An electrodepositable coating composition is provided comprising (a) an active hydrogen-containing, cationic salt group-containing resin electrodepositable on a cathode; (b) a curing agent for transurethanation, transamidation or transesterification curing like at least a partially capped polyisocyanate curing agent; and (c) a catalytic mixture of bismuth and an amino acid or amino acid precursor. Optionally, an auxiliary acid may be present to increase the effectiveness of the amino acid in the mixture with bismuth.