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:
Oct. 22, 2013
Filed:
Jul. 14, 2010
Applicants:
Waifong L. Anton, Wilmington, DE (US);
Anthony W. Kluth, Villanova, PA (US);
Inventors:
Waifong L. Anton, Wilmington, DE (US);
Anthony W. Kluth, Villanova, PA (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 11/00 (2006.01); C09D 11/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The disclosure provides a self dispersing pigment dispersion for use in inks including a pigment having a stabilizing group covalently attached to the pigment surface, and having an oil adsorption of at least about 155 to about 179 mL/100 g, and an acid content of at least about 0.98 microequivalent/m, and wherein the pigment dispersion has a pigment densification rate of less than about 8.40 E-04 mL/second. Ink jet inks containing these self-dispersing pigments, are also provided.