(19)

(11)

EP 4 562 221 A2

(12)

(88) Date of publication A3: 16.05.2024 (43) Date of publication: 04.06.2025 Bulletin 2025/23 (21) Application number: 23769207.4 (22) Date of filing: 13.09.2023

(51) International Patent Classification (IPC):  C25B 1/01(2021.01) C25B 9/19(2021.01) C25B 11/073(2021.01) C25B 1/27(2021.01) C25B 11/032(2021.01) C25B 9/15(2021.01) (52) Cooperative Patent Classification (CPC): C25B 1/01; C25B 1/27; C25B 11/032; C25B 11/073; C25B 9/19; C25B 9/15 (86) International application number: PCT/EP2023/075120 (87) International publication number: WO 2024/056718 (21.03.2024 Gazette 2024/12)

(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: 14.09.2022 EP 22195550 (71) Applicant: VITO NV 2400 Mol (BE)	(72) Inventors: VAES, Jan 2400 Mol (BE) BIRDJA, Yuvraj Y. 2400 Mol (BE) SONG, Jia 2400 Mol (BE) BULUT, Metin 2400 Mol (BE) (74) Representative: Arnold & Siedsma  Bezuidenhoutseweg 57 2594 AC The Hague 2594 AC The Hague (NL)