ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,674, issued on Feb. 24, was assigned to BASF SE (Ludwigshafen am Rhein, Germany).

"Process for producing a silver-based epoxidation catalyst" was invented by Andrey Karpov (Ludwigshafen am Rhein, Germany), Christian Walsdorff (Ludwigshafen am Rhein, Germany), Thorsten Johann (Ludwigshafen am Rhein, Germany), Christian Almer (Ludwigshafen am Rhein, Germany), Daniela Rieck (Ludwigshafen am Rhein, Germany), Christian Bartosch (Ludwigshafen am Rhein, Germany), Mauricio Grobys (Shanghai), Tobias Weinland (Ludwigshafen am Rhein, Germany) and Holger Borchert (Ludwigshafen am Rhein, Germany).

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