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(11)

EP 4 294 765 A1

(12)

(43) Date of publication: 27.12.2023 Bulletin 2023/52 (21) Application number: 22705179.4 (22) Date of filing: 16.02.2022

(51) International Patent Classification (IPC):  C02F 1/42(2023.01) B01J 39/18(2017.01) B01J 39/05(2017.01) C02F 101/10(2006.01) (52) Cooperative Patent Classification (CPC): C02F 1/42; C02F 2001/425; C02F 2303/16; C02F 2101/10; C02F 2303/04; C02F 2209/06; C02F 2209/05; B01J 39/05; B01J 39/07; B01J 49/06; B01J 49/53; B01J 39/20 (86) International application number: PCT/NL2022/050080 (87) International publication number: WO 2022/177425 (25.08.2022 Gazette 2022/34)

(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: 16.02.2021 NL 2027567 (71) Applicant: VAN DIJK HEATING B.V. 3981 LA Bunnik (NL)	(72) Inventor: VAN DEN BERG, Bart Jan 3981 LA BUNNINK (NL) (74) Representative: Arnold & Siedsma  Bezuidenhoutseweg 57 2594 AC The Hague 2594 AC The Hague (NL)