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:
Dec. 14, 2010
Filed:
Oct. 30, 2006
Richard P. N. Veregin, Mississauga, CA;
Allan K. Chen, Oakville, CA;
Cuong Vong, Hamilton, CA;
Vladislav Skorokhod, Mississauga, CA;
Eric M. Strohm, Burlington, CA;
Michael S. Hawkins, Cambridge, CA;
Christine D. Anderson, Hamilton, CA;
Richard Fong, Webster, NY (US);
Nancy S. Hunt, Ontario, NY (US);
Vincenzo G. Marcello, Webster, NY (US);
Richard P. N. Veregin, Mississauga, CA;
Allan K. Chen, Oakville, CA;
Cuong Vong, Hamilton, CA;
Vladislav Skorokhod, Mississauga, CA;
Eric M. Strohm, Burlington, CA;
Michael S. Hawkins, Cambridge, CA;
Christine D. Anderson, Hamilton, CA;
Richard Fong, Webster, NY (US);
Nancy S. Hunt, Ontario, NY (US);
Vincenzo G. Marcello, Webster, NY (US);
Xerox Corporation, Norwalk, CT (US);
Abstract
Toner including toner particles having a calcium-containing material at least in a surface portion of the toner particle, wherein the toner particles contain calcium in an amount of from 20 ppm to about 300 ppm of calcium by dry weight of the toner. Developer including a carrier and a toner, wherein the toner includes toner particles having a calcium-containing material at least in a surface portion of the toner particles. In an emulsion aggregation process for making toner particles, the toner particles are treated with calcium. The addition of calcium to the toner particles improves toner performance by lowering cohesion and charging, thereby generating an image of high gloss.