ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,322, issued on April 22, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, American Samoa).
"Lithium recovery using aqueous sources" was invented by Gary W. Sams (Houston), Dominic Vincent Perroni (Sugar Land, Texas), Prasanna Nirgudkar (Sugar Land, Texas), Florence Binet (Houston) and Rod William Shampine (Sugar Land, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are methods of recovering lithium from dilute lithium sources. The methods include extracting lithium from an extraction feed using direct lithium extraction in an extraction stage to yield a lithium intermediate, performing one or more concentration operati...