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. 13, 2015
Filed:
Jul. 12, 2013
Xerox Corporation, Norwalk, CT (US);
Karina Lopez, Richmond Hill, CA;
Enno Eric Agur, Toronto, CA;
Santiago Faucher, Oakville, CA;
Frank Ping-Hay Lee, Oakville, CA;
Aurelian Valeriu Magdalinis, Aurora, CA;
Biby Esther Abraham, Mississauga, CA;
Daniel Lafontaine, Calgary, CA;
Jonathan Lisk, Burlington, CA;
Xerox Corporation, Norwalk, CT (US);
Abstract
A process for preparing a pigment dispersion including melting a phase change ink carrier and an optional dispersant at a temperature of from about 100° C. to about 170° C. in a jacketed vessel comprising a jacket surrounding an immersion mill or basket mill attachment and a dispersion blade attachment disposed within the jacketed vessel; mixing the melted phase change ink carrier and optional dispersant with a dispersion blade in the jacketed vessel; adding a pigment to the melted, mixed phase change ink carrier and optional dispersant in the jacketed vessel; wetting the pigment; after pigment wetting, reducing the pigment particle size using an immersion mill or basket mill attachment in the jacketed vessel; and discharging the pigment dispersion.