ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,874, issued on March 18, was assigned to Hewlett-Packard Development Co. LP (Spring, Texas).
"Three-dimensional printing with pigment reactants" was invented by Shannon Reuben Woodruff (San Diego), Emre Hiro Discekici (San Diego) and Graciela Emma Negri Jimenez (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure describes multi-fluid kits for three-dimensional printing, three-dimensional printing kits, and methods of making three-dimensional printed articles. In one example, a multi-fluid kit for three-dimensional printing can include a fusing agent, a first reactive agent, and a second reactive agent. The fusing agent can inc...