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:
Mar. 26, 1996
Filed:
Aug. 22, 1994
Applicant:
Inventors:
Joseph A Antonelli, Riverton, NJ (US);
Lee A Becton, Media, PA (US);
Brian P Devlin, Broomall, PA (US);
Christopher Scopazzi, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
525287 ; 525284 ; 525285 ; 525286 ; 525302 ; 525308 ; 525309 ; 5253304 ; 524401 ; 524437 ;
Abstract
A pigment dispersion useful for forming aqueous coating compositions containing metallic flake pigment, an aqueous carrier and a graft copolymer dispersant (binder); wherein the graft copolymer has a weight average molecular weight of about 5,000-100,000 and comprises a polymeric backbone and macromonomer side chains attached to the backbone wherein