US Patent Issued to PRAYON on Oct. 14 for "Method for purification of at least one aqueous solution of phosphoric acid" (Belgian Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,617, issued on Oct. 14, was assigned to PRAYON (Engis, Belgium).

"Method for purification of at least one aqueous solution of phosphoric acid" was invented by Bernard Heptia (Engis, Belgium), Hubert Halleux (Engis, Belgium) and Damien Gabriel (Engis, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention concerns a method for purifying at least one aqueous solution of phosphoric acid continuously, comprising at least: providing, in at least one vessel, at least one solution AP derived from at least one phosphoric acid obtained by a process for wet-chemical production of phosphoric acid, said solution in said vessel being at a t...