ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,497, issued on Oct. 21, was assigned to Envalior Deutschland GmbH (Dusseldorf, Germany).

"High voltage components" was invented by Jochen Endtner (Cologne, Germany), Dirk Schmitz (Weeze, Germany) and Matthias Bienmueller (Krefeld, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to high-voltage components, in particular for electromobility, containing polymer compositions based on at least one polyamide and 10,10'-oxybis-12H-phthaloperin-12-one, and to the use of 10,10'-oxybis-12H-phthaloperin-12-one for marking polyamide-based articles of manufacture as high-voltage components."

The patent was filed on March 12,...