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(11)

EP 4 247 521 A1

(12)

(43) Date of publication: 27.09.2023 Bulletin 2023/39 (21) Application number: 21815285.8 (22) Date of filing: 19.11.2021

(51) International Patent Classification (IPC):  B01D 53/32(2006.01) B01D 53/75(2006.01) F24C 15/20(2006.01) A61L 9/22(2006.01) B03C 3/72(2006.01) F24F 8/192(2021.01) (52) Cooperative Patent Classification (CPC): B01D 53/32; F24F 8/192; A61L 9/22; B03C 3/72; B01D 2257/90; B01D 2257/91; B01D 2258/06; B01D 2258/0275; B01D 2259/818; B01D 2259/4508; B01D 2258/0258; B01D 2251/104; B03C 3/017; B03C 3/47; B03C 3/41; B03C 3/38; B03C 3/155; A61L 2209/14; A61L 2209/15; A61L 2209/111; B01D 2253/102; B01D 53/72 (86) International application number: PCT/NL2021/050713 (87) International publication number: WO 2022/108451 (27.05.2022 Gazette 2022/21)

(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 (30) Priority: 20.11.2020 NL 2026940 (71) Applicant: PlasmaMade B.V. 7951 SK Staphorst (NL)	(72) Inventor: VAN DER SLUIS, Martin Johan 7951 SK Staphorst (NL) (74) Representative: Arnold & Siedsma  Bezuidenhoutseweg 57 2594 AC The Hague 2594 AC The Hague (NL)