ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,267, issued on Feb. 3, was assigned to TERRALITHIUM LLC (Houston).

"Treated geothermal brine compositions with reduced concentration of silica, iron and lithium" was invented by Stephen Harrison (Benicia, Calif.) and John Burba III (Parker, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention relates to treated geothermal brine compositions containing reduced concentrations of lithium, iron and silica compared to the untreated brines. Exemplary compositions contain concentration of lithium ranges from 0 to 200 mg/kg, concentration of silica ranges from 0 to 30 mg/kg, concentration of iron ranges from 0 to 300 mg/kg. Exemplary compositi...