ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,796, issued on Aug. 11, was assigned to Hewlett-Packard Development Co. LP (Spring, Texas).
"Electrophotographic ink compositions" was invented by Doron Gurovich (Nes Ziona, Israel), Vladislav Kaploun (Nes Ziona, Israel), Albert Teishev (Nes Ziona, Israel) and Emad Masoud (Nes Ziona, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of producing a liquid electrophotographic ink composition includes combining a pigment with a charge director in a carrier liquid to produce a pigment dispersion; and combining a thermoplastic resin with the pigment dispersion to produce a liquid electrophotographic ink composition; wherein the charge direct...