(19)

(11)

EP 4 580 784 A1

(12)

(43) Date of publication: 09.07.2025 Bulletin 2025/28 (21) Application number: 23762497.8 (22) Date of filing: 30.08.2023

(51) International Patent Classification (IPC):  B01D 53/58(2006.01) C01C 1/242(2006.01) A01K 1/00(2006.01) (52) Cooperative Patent Classification (CPC): B01D 53/58; B01D 53/78; B01D 2251/2067; B01D 2251/506; B01D 2251/504; B01D 2258/0266; C01C 1/242 (86) International application number: PCT/EP2023/073819 (87) International publication number: WO 2024/047118 (07.03.2024 Gazette 2024/10)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 30.08.2022 EP 22192863 09.11.2022 EP 22206309 (71) Applicant: Katholieke Universiteit Leuven 3000 Leuven (BE)	(72) Inventors: MARTENS, Johan 3051 Sint-Joris-Weert (BE) HOLLEVOET, Lander 2340 Beerse (BE) (74) Representative: Beck, Michaël Andries T.  IPLodge Technologielaan 9 3001 Heverlee 3001 Heverlee (BE)