(19)

(11)

EP 4 823 720 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24828372.3 (22) Date of filing: 12.12.2024

(51) International Patent Classification (IPC):  B01D 63/02(2006.01) B01D 65/00(2006.01) (52) Cooperative Patent Classification (CPC): B01D 63/022; B01D 63/0222; B01D 65/003 (86) International application number: PCT/EP2024/085942 (87) International publication number: WO 2025/125444 (19.06.2025 Gazette 2025/25)

(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: GE KH MA MD TN (30) Priority: 14.12.2023 EP 23216813 (71) Applicant: Gambro Lundia AB 226 43 Lund (SE)	(72) Inventors: MELIS, Robert 72336 Balingen (DE) MAIER, Edgar 72461 Albstadt (DE) (74) Representative: Perchenek, Nils  Gambro Dialysatoren GmbH Legal and Intellectual Property Holger Crafoord-Strasse 26 72379 Hechingen 72379 Hechingen (DE)