ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,792, issued on Sept. 30, was assigned to Xerox Corp. (Norwalk, Conn.).
"Toner comprising charge control agent" was invented by Jordan A. Frank (Rochester, N.Y.), Genggeng Qi (Webster, N.Y.), Elizabeth K. Priebe (Rochester, N.Y.), Chieh-Min Cheng (Rochester, N.Y.) and Michael F. Zona (Hickory, N.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An emulsion aggregation toner including a toner particle comprising at least one resin; an optional colorant; an optional wax; and a charge control agent disposed on a surface of the toner particle; the control agent comprising a phenyl based siloxane; and a complex formed from a metal ion donor and at least ...