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. 04, 2016
Filed:
Jun. 27, 2013
Applicant:
E. I. Du Pont DE Nemours and Company, Wilmington, DE (US);
Inventors:
James A. Silver, Kennett Square, PA (US);
Chad C. Roberts, Hockessin, DE (US);
Christian Jackson, Wilmington, DE (US);
Assignee:
E I DU PONT DE NEMOURS AND COMPANY, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B 1/56 (2006.01); C09B 67/08 (2006.01); C09D 11/38 (2014.01); C09D 11/102 (2014.01); C09C 1/56 (2006.01); C09B 67/00 (2006.01); C09B 67/20 (2006.01); C09C 3/10 (2006.01); C09D 11/322 (2014.01); C09C 3/00 (2006.01); C09C 3/04 (2006.01);
U.S. Cl.
CPC ...
C09B 67/0011 (2013.01); C09B 67/0022 (2013.01); C09B 67/0066 (2013.01); C09C 1/56 (2013.01); C09C 3/10 (2013.01); C09D 11/102 (2013.01); C09D 11/322 (2013.01); C09D 11/38 (2013.01); C01P 2006/22 (2013.01); C09C 3/006 (2013.01); C09C 3/041 (2013.01);
Abstract
A process for preparing a pigment press cake is provided in which a pigment, a grinding agent, a polyetheramine, and a vehicle are subjected to grinding, followed by removal of the grinding agent and the vehicle to form a press cake. Also disclosed are a process to disperse the press cake with a polymeric dispersant in an aqueous vehicle to form a pigment dispersion and using the dispersion to form an aqueous ink jet ink.