ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,321, issued on March 11, was assigned to Technikum Laubholz GmbH (Goppingen, Germany).

"Process for the preparation of polymer fibers from polymers dissolved in ionic liquids by means of an air gap spinning process" was invented by Falko Abels (Roemerberg, Germany), Tomasz Cwik (Mannheim, Germany), Ronald Beyer (Winnenden, Germany) and Frank Hermanutz (Leonberg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a process for the production of polymer fibers from polymers dissolved in ionic liquids by means of an air gap spinning process, characterized in that a) a spinning solution that contains an ionic liquid and a d...