US 11,959,154 B2
Process for making modified DTPA-associated organosilica media for use in solid-liquid extraction of rare earth elements
Timothy M. Dittrich, Grosse Pointe Woods, MI (US); Matthew J. Allen, Plymouth, MI (US); Mohammed Dardona, Garden City, MI (US); and Jessica L. Hovey, Garden City, MI (US)
Assigned to Wayne State University, Detroit, MI (US)
Filed by Wayne State University, Detroit, MI (US)
Filed on Nov. 8, 2021, as Appl. No. 17/520,869.
Claims priority of provisional application 63/111,479, filed on Nov. 9, 2020.
Prior Publication US 2022/0145422 A1, May 12, 2022
Int. Cl. C22B 59/00 (2006.01); B01J 20/22 (2006.01); C22B 3/24 (2006.01)
CPC C22B 59/00 (2013.01) [B01J 20/22 (2013.01); C22B 3/24 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A modified DTPA-associated media for use in solid-liquid extraction, comprising modified diethylenetriaminepentaacetic acid (DTPA) chemically associated via hydrophobic interactions with a hydrophobic solid support, wherein the modified DTPA includes DTPA functionalized with hydrophobic groups.