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(11)

EP 4 452 448 A1

(12)

(43) Date of publication: 30.10.2024 Bulletin 2024/44 (21) Application number: 22830539.7 (22) Date of filing: 06.12.2022

(51) International Patent Classification (IPC):  B01D 46/00(2022.01) B01D 37/04(2006.01) B01D 35/143(2006.01) B01D 46/44(2006.01) (52) Cooperative Patent Classification (CPC): B01D 46/0086; B01D 35/143; B01D 46/446; B01D 46/444; B01D 37/046; B01D 37/043; A47L 9/19; A47L 9/2831; A47L 9/2821; A47L 9/2857 (86) International application number: PCT/EP2022/084600 (87) International publication number: WO 2023/117408 (29.06.2023 Gazette 2023/26)

(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: 20.12.2021 EP 21216098 (71) Applicant: Versuni Holding B.V. 5656 AG Eindhoven (NL)	(72) Inventors: BOONSTRA, Bonne Lambert 5656 AE Eindhoven (NL) VAN DER KOOI, Johannes Tseard High Tech Campus 42 5656 AE Eindhoven (NL) (74) Representative: Vollering, Stefanus Franciscus Maria  Versuni Holding B.V. High Tech Campus 42 5656 AE Eindhoven 5656 AE Eindhoven (NL)