US Patent Issued to Wisconsin Alumni Research Foundation on July 8 for "Method to make phosphoric acid and ammonium phosphates from phosphate minerals" (Wisconsin Inventor)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,456, issued on July 8, was assigned to Wisconsin Alumni Research Foundation (Madison, Wis.).

"Method to make phosphoric acid and ammonium phosphates from phosphate minerals" was invented by Phillip Warren Barak (Madison, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of producing ammonium phosphates from at least one mineral containing phosphate and an element which is calcium, magnesium, iron, or aluminum. The method includes contacting the at least one mineral (or a combination of them) with a cation exchanger for a time and at a temperature sufficient to yield phosphoric acid from the mineral."

The patent was filed on June 4, 2021, ...