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Xerox Assigned Patent for Toner Wash Comprising Ionic Liquid
Targeted News Service
ALEXANDRIA, Va., May 2013 — Xerox, Norwalk, Conn., has been assigned a patent (8,431,319) developed by Zhen Lai, Webster, N.Y., Chieh-Min Cheng, Webster, N.Y., and Zhaoyang Ou, Webster, N.Y., for a "toner wash comprising ionic liquid."The abstract of the patent published by the U.S. Patent and Trademark Office states: "A washing process using one or more ionic liquids (ILs) as a washing aid agent for toners, including toners produced using such ILs, such as, low melt toners, is provided. ILs are environmentally sound, green solvents that act to swell toner particle surfaces so that surface absorbed and adsorbed pollutants, such as, surfactants and other manufacturing reactants, can be effectively removed. The resulting toners have good charging, charge maintenance and RH sensitivity."
The patent application was filed on March 22, 2011 (13/069,180). The full-text of the patent can be found at http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=8,431,319&OS=8,431,319&RS=8,431,319
Written by Satyaban Rath; edited by Hemanta Panigrahi.
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