(19)

(11)

EP 4 469 186 A1

(12)

(43) Date of publication: 04.12.2024 Bulletin 2024/49 (21) Application number: 23702706.5 (22) Date of filing: 27.01.2023

(51) International Patent Classification (IPC):  B01D 53/72(2006.01) B01D 53/85(2006.01) (52) Cooperative Patent Classification (CPC): B01D 2258/0258; B01D 2257/708; B01D 2257/7027; B01D 2251/95; B01D 53/85; B01D 2252/103; B01D 53/72; Y02A 50/20 (86) International application number: PCT/NL2023/050035 (87) International publication number: WO 2023/146399 (03.08.2023 Gazette 2023/31)

(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: 28.01.2022 NL 2030762 (71) Applicant: Pure hld B.V. 7991 PE Dwingeloo (NL)	(72) Inventor: WAALKENS, Albert 7991 PE Dwingeloo (NL) (74) Representative: Patent Business B.V.  Lange Amerikaweg 81 7332 BP Apeldoorn 7332 BP Apeldoorn (NL)