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. 25, 2009
Filed:
Nov. 30, 2005
Marcel P. Breton, Mississauga, CA;
Raymond W. Wong, Mississauga, CA;
Christine E. Bedford, Burlington, CA;
Christopher Wagner, Toronto, CA;
Caroline Turek, Hamilton, CA;
Marcel P. Breton, Mississauga, CA;
Raymond W. Wong, Mississauga, CA;
Christine E. Bedford, Burlington, CA;
Christopher Wagner, Toronto, CA;
Caroline Turek, Hamilton, CA;
Xerox Corporation, Norwalk, CT (US);
Abstract
Disclosed is a phase change black ink composition comprising (1) a low polarity ink carrier comprising (A) an ester-terminated polyamide, (B) a Guerbet alcohol or a Guerbet alcohol mixture including at least one linear alcohol, and (C) a low polarity wax, and (2) a black colorant. The ink carrier can also include a dispersant. The ink is resistant to aggregation and settling of the black colorant when a standby-mode printer temperature for the ink is not more than about the gel temperature of the ink.