ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,566, issued on Aug. 19, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, Texas).

"Lithium extraction improvements" was invented by Ankur D. Jariwala (Katy, Texas) and Gary W. Sams (Spring, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of recovering lithium from an aqueous source is described. Lithium is extracted from the aqueous source using a sorption/desorption process to form a lithium extract. Impurities are removed from the lithium extract to form a purified lithium extract, and the purified lithium extract is concentrated using a water removal process to form a lithium concentrate. The lithium concentrate is then con...