ALEXANDRIA, Va., May 5 -- United States Patent no. 12,616,197, issued on May 5, was assigned to Peridot Print LLC (Palo Alto, Calif.).
"Three-dimensional printing" was invented by Emre Hiro Discekici (San Diego), Shannon Reuben Woodruff (San Diego) and Graciela E. Negri Jimenez (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "An agent for three-dimensional (3D) printing includes at least 3 wt % active, based on a total weight of the agent, of a paraben selected from the group consisting of methyl paraben, ethyl paraben, propyl paraben, butyl paraben, isopropyl paraben, isobutyl paraben, heptyl paraben, benzyl paraben, salts thereof, and combinations thereof; and an aqueous vehicle. The aqueous vehic...