ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,645, issued on April 14.
"Method for rare earths extraction" was invented by Terry G Lenz (Fort Collins, Colo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for extracting a rare earth from a rare earth sample using magnetic-based concentration and separation of an ore containing a selected rare earth from a lanthanide series of elements. The method steps include selecting and grinding a rare earth sample into particle size from the lanthanide series of elements, treating the rare earth sample to variable weak electromagnets, treating the rare earth sample to a variable strong electromagnets and separating non-magnetic minerals. Then heat...