ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,389, issued on March 17, was assigned to CLARIANT INTERNATIONAL LTD (Muttenz, Switzerland).

"Thermoplastic moulding materials with improved property profile" was invented by Jeremia Schwabe (Gersthofen, Germany), Erik Hauck (Gersthofen, Germany), Felix Kirschvink (Frankfurt am Main, Germany), Sebastijan Bach (Charlotte, N.C.), Gabriele Stiehl (Schwalbach am Taunus, Germany), Robert Turner (Cincinnati), Torsten Lindner (Schwalbach am Taunus, Germany) and Christian Neu (Schwalbach am Taunus, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to thermoplastic moulding materials comprising styrene block copolymers and propylen...