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EP 4 816 324 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24812135.2 (22) Date of filing: 21.11.2024

(51) International Patent Classification (IPC):  C02F 11/08(2006.01) B01J 8/12(2006.01) B01J 23/745(2006.01) B01J 23/755(2006.01) B01J 21/18(2006.01) C02F 101/30(2006.01) B01J 3/00(2006.01) B01J 23/46(2006.01) B01J 23/75(2006.01) B01J 23/89(2006.01) C02F 1/02(2023.01) (52) Cooperative Patent Classification (CPC): C02F 2301/066; C02F 1/025; C02F 2101/30; C02F 2101/40; C02F 2201/005; C02F 2301/08; C02F 2303/06; C02F 11/086; B01J 23/755; B01J 21/185; B01J 21/18 (86) International application number: PCT/EP2024/083181 (87) International publication number: WO 2025/114142 (05.06.2025 Gazette 2025/23)

(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: 28.11.2023 EP 23212599 (71) Applicant: TreaTech SA 1027 Lonay (CH)	(72) Inventor: PENG, Gael 1030 BUSSIGNY (CH) (74) Representative: reuteler & cie SA  Chemin de la Vuarpillière 29 1260 Nyon 1260 Nyon (CH)