US Patent Issued to UT-BATTELLE on Aug. 26 for "Diglycolamide derivatives for separation and recovery of rare earth elements from aqueous solutions" (Tennessee Inventors)

ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,444, issued on Aug. 26, was assigned to UT-BATTELLE LLC (Oak Ridge, Tenn.).

"Diglycolamide derivatives for separation and recovery of rare earth elements from aqueous solutions" was invented by Santa Jansone-Popova (Knoxville, Tenn.), Ilja Popovs (Knoxville, Tenn.) and Bruce A. Moyer (Oak Ridge, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Rare earth extractant compounds having the following structure:wherein R1, R2, R3, and R4 are independently selected from alkyl groups containing 1-30 carbon atoms and optionally containing an ether or thioether linkage connecting between carbon atoms, provided that the total carbon atoms in R1, R2, R3, an...