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:
Aug. 26, 2014
Filed:
Dec. 11, 2009
Applicants:
C. Chad Roberts, Hockessin, DE (US);
Patrick F. Mcintyre, West Chester, PA (US);
Michael Stephen Wolfe, Wilmington, DE (US);
Inventors:
C. Chad Roberts, Hockessin, DE (US);
Patrick F. McIntyre, West Chester, PA (US);
Michael Stephen Wolfe, Wilmington, DE (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/01 (2006.01); B41J 2/17 (2006.01); B41J 2/175 (2006.01); C08G 18/08 (2006.01); C08G 18/28 (2006.01); C08J 3/00 (2006.01); C08K 3/20 (2006.01); C08L 75/00 (2006.01); C09D 5/00 (2006.01); C09D 11/00 (2014.01); G01D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The disclosure provides an aqueous dispersion and ink jet inks comprising a colorant and an amphoteric polyurethane dispersant, wherein the amphoteric polyurethane dispersant comprises a reaction product of at least one basic amine urethane monomer, at least one acidic urethane monomer, and at least one urethane monomer comprising two or more isocyanates having improved bleed control, and optical density/chroma.