ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,233,597, issued on Feb. 25, was assigned to Hewlett-Packard Development Co. LP (Spring, Texas).
"Three-dimensional printing" was invented by Graciela E Negri Jimenez (San Diego), Shannon Reuben Woodruff (San Diego) and Emre Hiro Discekici (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "An example of a multi-fluid kit for three-dimensional (3D) printing kit includes a fusing agent and a build material reactive functional agent. The fusing agent includes water and an electromagnetic radiation absorber. The build material reactive functional agent includes a vehicle and trifluoroacetic anhydride. The multi-fluid kit may also be part of a 3D print...