ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,376, issued on June 23, was assigned to BASF SE (Ludwigshafen am Rhein, Germany).
"Method of separating phosgene and hydrogen chloride" was invented by Torsten Mattke (Ludwigshafen am Rhein, Germany), Kai Thiele (Antwerp, Belgium), Jens Ferbitz (Ludwigshafen am Rhein, Germany), Peter Van Den Abeel (Antwerp, Belgium) and Hans-Juergen Pallasch (Ludwigshafen am Rhein, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A process of separating phosgene and hydrogen chloride, comprises: conveying a mixed stream containing hydrogen chloride and phosgene into a distillation column; withdrawing from the distillation column a bottom stream containing phos...