ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,714,652, issued on Aug. 25, was assigned to Dentsply Sirona Inc. (York, Pa.).
"Dental impression material" was invented by Joachim Klee (Radolfzell, Germany), Florian Szillat (Constance, Germany), Marjorie Yon (Villelongue de la Salanque, France), Jurgen H Fiedler (Allensbach, Germany), Jacques Lalevee (Mulhouse, France), Julie Kirschner (Dambach-la-Ville, France) and Laura Perrard (Auchel, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a dental impression material adapted to be cured by visible light, comprising a compound having one or more aliphatic unsaturated groups, a compound containing at least one silicon...