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. 24, 1994
Filed:
Dec. 09, 1992
Applicant:
Inventors:
Ding Y Chung, Rochester Hills, MI (US);
Kenneth S Kirshenbaum, West Bloomfield, MI (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25D / ;
U.S. Cl.
CPC ...
2041814 ; 2041817 ; 523453 ; 523415 ; 524901 ;
Abstract
An improved aqueous electrocoating composition having a binder of an epoxy-amine adduct and a blocked polyisocyanate crosslinking agent; wherein the improvement is the use of an effective amount of an additive of an alkyl thioester or a polymeric product of an epoxy resin, polyalkylene glycol and a sugar to form an electrocoating composition that has significantly improved throwing power and provides a coating that has the necessary properties such as chip, solvent and corrosion resistance.