ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,405,547, issued on Sept. 2, was assigned to Xerox Corp. (Norwalk, Conn.).

"Toner comprising reactive charge control agent" was invented by Jordan A. Frank (Rochester, N.Y.), Genggeng Qi (Webster, N.Y.), Chieh-Min Cheng (Rochester, N.Y.), Michael F. Zona (Hickory, N.C.) and Elizabeth K. Priebe (Rochester, N.Y.).

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 reactive charge control agent comprising at least one positive charging compound comprising a member selected from the group consisting of an amine compound having at lea...