ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,157, issued on Nov. 25, was assigned to Peridot Print LLC (Palo Alto, Calif.).
"Three-dimensional printing" was invented by Carolin Fleischmann (San Diego), Emre Hiro Discekici (San Diego) and Emily Levin (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "A polyol stiffening additive in a powder bed material for three-dimensional (3D) printing is disclosed herein. In an example, the 3D powder bed material includes an elastomeric build material and a polyol stiffening additive having 3 to 7 carbon atoms that is about 2 weight percent to about 20 weight percent of a total weight of the 3D powder bed material."
The patent was filed on Sept. 30,...