ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,616, issued on Oct. 14, was assigned to Monsanto Technology LLC (Saint Louis, Mo.).

"Phosphorus oxide and phosphoric acid production processes" was invented by Eduardo Aurelio Casanova (University City, Mo.), Peng Fan (St. Louis), Justin Robert Struble (Ballwin, Mo.) and Jian Xu (Wildwood, Mo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is generally directed to improved processes for the preparation of various phosphorus oxides and phosphoric acid. Phosphorus oxides prepared in accordance with the present invention include phosphorus (III) oxides (e.g., tetraphosphorus hexaoxide (P4O6)). Phosphorus (III) oxides such as P4O6 ...