(19)

(11)

EP 4 323 104 A1

(12)

(43) Date of publication: 21.02.2024 Bulletin 2024/08 (21) Application number: 21723565.4 (22) Date of filing: 14.04.2021

(51) International Patent Classification (IPC):  B01J 20/20(2006.01) B01J 20/28(2006.01) B01D 53/02(2006.01) B01J 20/30(2006.01) (52) Cooperative Patent Classification (CPC): B01J 20/20; B01J 20/3078; B01J 20/28057; B01J 20/28069; B01J 20/28011; B01J 20/2809; B01J 20/28078; B01D 53/02; B01J 2220/4893; B01D 2257/504; B01D 2253/202; Y02C 20/40 (86) International application number: PCT/US2021/027371 (87) International publication number: WO 2022/220828 (20.10.2022 Gazette 2022/42)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: William Marsh Rice University Houston, TX 77005 (US)	(72) Inventors: TOUR, James M. Bellaire, Texas 77401 (US) ALGOZEEB, Wala Houston, Texas 77005 (US) SAVAS, JR., Paul E. Richmond, Virginia 23238 (US) KITTRELL, Wilbur Carter Houston, Texas 77030 (US) (74) Representative: HGF  HGF Limited 1 City Walk Leeds LS11 9DX Leeds LS11 9DX (GB)