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(11)

EP 4 532 803 A1

(12)

(43) Date of publication: 09.04.2025 Bulletin 2025/15 (21) Application number: 23726646.5 (22) Date of filing: 16.05.2023

(51) International Patent Classification (IPC):  C25D 1/08(2006.01) C25D 5/00(2006.01) C25D 1/22(2006.01) C25D 3/38(2006.01) (52) Cooperative Patent Classification (CPC): C25D 1/08; C25D 5/623; C25D 3/38; C25D 1/22 (86) International application number: PCT/NL2023/050278 (87) International publication number: WO 2023/234770 (07.12.2023 Gazette 2023/49)

(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: 30.05.2022 NL 2032014 (71) Applicant: Technische Universiteit Eindhoven 5612 AE Eindhoven (NL)	(72) Inventors: MULARCZYK, Adrian Amadeus 5612 AE Eindhoven (NL) FORNER-CUENCA, Antoni 5612 AE Eindhoven (NL) (74) Representative: Algemeen Octrooi- en Merkenbureau B.V.  P.O. Box 645 5600 AP Eindhoven 5600 AP Eindhoven (NL)