US Patent Issued to FREEPORT MINERALS on Oct. 21 for "Acid mist suppression in copper electrowinning" (Arizona Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,696, issued on Oct. 21, was assigned to FREEPORT MINERALS Corp. (Phoenix).

"Acid mist suppression in copper electrowinning" was invented by Scot Philip Sandoval (Tucson, Ariz.), Stanberg Lee Tallman (Phoenix), William Duane Sanders (Morenci, Ariz.), Ephrem Lemlem Gebrehiwot (Vail, Ariz.) and Aron Tyab (Thatcher, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of acid mist suppression in copper electrowinning is described. In various embodiments, at least one liquid licorice root extract, powdered licorice root extract, or reconstituted licorice extract is added in an amount sufficient to the acidic electrolyte solution of the copper el...