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. 16, 1995
Filed:
Jun. 01, 1994
Applicant:
Inventors:
Lee A Turnquist, Roseville, MI (US);
Peter W Uhlianuk, Romeo, MI (US);
Ding Y Chung, Rochester Hills, MI (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
523415 ; 528104 ; 427386 ; 2041817 ;
Abstract
An improved aqueous cathodic electrocoating composition having a binder of an epoxy resin-amine adduct which is an epoxy resin that has been reacted with an amine, and a blocked polyisocyanate crosslinking agent; wherein the improvement is the use of a multihydric phenol i.e., a phenol having more than two reactive hydroxyl groups along with a dihydric phenol to form the epoxy resin used in the electrocoating composition to provide a composition having improved throw power.