ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,303, issued on Sept. 8, was assigned to HUNTSMAN INTERNATIONAL LLC (The Woodlands, Texas).
"Curable polyurethane based resin for use in additive manufacturing" was invented by Hugo Verbeke (Wilsele, Belgium), David Briers (Brussels), Bram Vanroy (Haasrode, Belgium) and Sandra Meynen (Tienen, Belgium).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid curable polyurethane based resin comprising a) polyurethane compounds which are functionalized with reactive ethylenically unsaturated moieties, b) at least one reactive diluent compound having at least one ethylenically unsaturated functional group and c) at least one photo-initiator for making pol...