US Patent Issued to Basell Polyolefine, Albert-Ludwigs-Universitat Freiburg on March 25 for "Polypropylene for extrusion additive manufacturing" (German Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,767, issued on March 25, was assigned to Basell Polyolefine GmbH (Wesseling, Germany) and Albert-Ludwigs-Universitat Freiburg (Freiburg, Germany).

"Polypropylene for extrusion additive manufacturing" was invented by Carl Schirmeister (Denzlingen, Germany), Karsten Schmitz (Hofheim/Ts., Germany), Yannic Kessler (Kriftel, Germany), Rainer Kohler (Pegnitz, Germany), Erik Licht (Mainz, Germany), Shahram Mihan (Bad Soden, Germany), Jurgen Rohrmann (Kelkheim, Germany), Dieter Langenfelder (Niedernhausen, Germany), Rolf Muelhaupt (Freiburg, Germany) and Timo Hees (Freiburg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for producing art...