ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,557, issued on Aug. 19, was assigned to BASF SE (Ludwigshafen am Rhein, Germany).
"Method for producing phosgene" was invented by Torsten Mattke (Ludwigshafen am Rhein, Germany), Gerhard Olbert (Ludwigshafen am Rhein, Germany), Jochen Gauer (Ludwigshafen am Rhein, Germany), Kai Thiele (Antwerp, Belgium), Koenraad Vandewalle (Antwerp, Belgium), Jens Ferbitz (Ludwigshafen am Rhein, Germany) and Peter Van Den Abeel (Antwerp, Belgium).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a process for preparing phosgene by reacting chlorine with carbon monoxide over an activated carbon catalyst, wherein the content of chlorine o...