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EP 4 561 738 A2

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(88) Date of publication A3: 07.03.2024 (43) Date of publication: 04.06.2025 Bulletin 2025/23 (21) Application number: 23742209.2 (22) Date of filing: 11.07.2023

(51) International Patent Classification (IPC):  B01D 63/08(2006.01) H01M 8/04119(2016.01) (52) Cooperative Patent Classification (CPC): B01D 63/0822; B01D 63/085; B01D 2313/02; B01D 2313/54; B01D 2313/06; H01M 8/04149; H01M 8/04141; B01D 63/082; Y02E 60/50 (86) International application number: PCT/EP2023/069099 (87) International publication number: WO 2024/022798 (01.02.2024 Gazette 2024/05)

(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: 28.07.2022 DE 102022118939 (71) Applicant: MANN+HUMMEL GmbH 71636 Ludwigsburg (DE)	(72) Inventors: KORN, Alexander 71636 Ludwigsburg (DE) KEMPER, Ralph 71636 Ludwigsburg (DE) ZELTWANGER, Tom 71636 Ludwigsburg (DE) TRAUTMANN, Pius 71636 Ludwigsburg (DE) WAGNER, Markus 71636 Ludwigsburg (DE) (74) Representative: Mann + Hummel Intellectual Property  Mann + Hummel International GmbH & Co. KG Schwieberdinger Straße 126 71636 Ludwigsburg 71636 Ludwigsburg (DE)