ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,193, issued on March 24, was assigned to SHINE Technologies LLC (Janesville, Wis.).
"Separation of rare earth elements" was invented by Richard Sisson (Janesville, Wis.), Eric Van Abel (Janesville, Wis.), Thomas Drury (Janesville, Wis.), Charles Shackett (Janesville, Wis.) and Greg Piefer (Janesville, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for purifying lutetium includes providing a solid composition comprising ytterbium and lutetium and subliming or distilling ytterbium from the solid composition at a temperature of about 1196deg C. to about 3000deg C. to leave a lutetium composition comprising a higher weight percentage of l...