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. 12, 2014
Filed:
Dec. 13, 2010
Zhen Lai, Webster, NY (US);
Chieh-min Cheng, Rochester, NY (US);
Zhaoyang Ou, Webster, NY (US);
Christopher D. Blair, Webster, NY (US);
Zhen Lai, Webster, NY (US);
Chieh-Min Cheng, Rochester, NY (US);
Zhaoyang Ou, Webster, NY (US);
Christopher D. Blair, Webster, NY (US);
Xerox Corporation, Norwalk, CT (US);
Abstract
A process for making toner particles is provided. In embodiments, a suitable process includes adding a washing aid agent to toner particles at the time of washing the toner particles prior to their drying and recover. The washing aid agent assist in the removal of ionic species, including surfactants and ions that are part of the emulsion aggregation process, from the resulting toner particles. Utilization of the washing aid agent produces toner particles having improved charging characteristics.