ALEXANDRIA, Va., March 12 -- United States Patent no. 12,250,354, issued on March 11, was assigned to Xerox Corp. (Norwalk, Conn.).
"Dual infrared gloss effect" was invented by Edward N. Chapman (Rochester, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method, system and apparatus for rendering a gloss effect on a recording medium, can involve rendering a foreground pattern using a first ink composition comprising infrared absorbing colors, wherein said first ink is lightened with lightening parameters by the addition of paper white holes and rendering a background pattern using a second ink composition comprising a process or spot color, wherein said second ink is darkened with darkening parameters ...