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. 07, 2006
Filed:
Jul. 22, 1998
Applicants:
Loretta Ann Grezzo Page, Newark, DE (US);
Kathryn Amy Pearlstine, Wilmington, DE (US);
Waifong L. Anton, Wilmington, DE (US);
Inventors:
Loretta Ann Grezzo Page, Newark, DE (US);
Kathryn Amy Pearlstine, Wilmington, DE (US);
Waifong L. Anton, Wilmington, DE (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 51/00 (2006.01); C09D 11/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A non-ionic graft copolymer has a hydrophobic backbone and non-ionic, hydrophilic side chains having a molecular weight of at least 500, preferably 100–2000 is substantially insoluble in water, but soluble in an aqueous vehicle, and is particularly suited for use in aqueous coating compositions in which water comprises no more than 80% by weight of the vehicle for the composition.