US Patent Issued to Great Western Iron Ore Properties on July 29 for "Process and system for extraction of iron oxide from ore" (Oklahoma Inventor)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,754, issued on July 29, was assigned to Great Western Iron Ore Properties Inc. (Las Vegas).

"Process and system for extraction of iron oxide from ore" was invented by Allen W. Apblett (Stillwater, Okla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and system of extracting iron oxide from ore is provided, which may include adding a chelating agent to an iron ore to form an iron ore and chelating agent solution, heating the solution to reflux in water, and filtering the solution to yield an extraction residue and a chelated iron solution. The chelated iron solution may be treated with a potassium hydroxide and water solution to yield iron h...