(19)

(11)

EP 4 399 345 A1

(12)

(43) Date of publication: 17.07.2024 Bulletin 2024/29 (21) Application number: 22769794.3 (22) Date of filing: 12.09.2022

(51) International Patent Classification (IPC):  C25B 1/01(2021.01) C02F 1/72(2023.01) C02F 1/52(2023.01) (52) Cooperative Patent Classification (CPC): C25B 1/01; C02F 1/5236; C02F 1/463; C02F 2209/02; C02F 2201/4614; C02F 2209/06 (86) International application number: PCT/NL2022/050514 (87) International publication number: WO 2023/038527 (16.03.2023 Gazette 2023/11)

(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: 10.09.2021 NL 2029165 (71) Applicant: FERR TECH B.V. 7944 HS Meppel (NL)	(72) Inventors: SAMIMI-SEDEH, Sina 7944 HS Meppel (NL) SAEBNOORI, Ehsan 7944 HS Meppel (NL) (74) Representative: Arnold & Siedsma  Bezuidenhoutseweg 57 2594 AC The Hague 2594 AC The Hague (NL)