(19)

(11)

EP 4 263 906 A1

(12)

(43) Date of publication: 25.10.2023 Bulletin 2023/43 (21) Application number: 21840968.8 (22) Date of filing: 21.12.2021

(51) International Patent Classification (IPC):  C25B 1/02(2006.01) C25B 3/07(2021.01) C25B 9/15(2021.01) C25B 11/065(2021.01) C25B 1/23(2021.01) C25B 3/23(2021.01) C25B 11/054(2021.01) C25B 11/085(2021.01) (52) Cooperative Patent Classification (CPC): C25B 3/07; C25B 3/23; C25B 1/23; C25B 9/15; C25B 11/054; C25B 11/065; C25B 11/085; C25B 1/02 (86) International application number: PCT/EP2021/087164 (87) International publication number: WO 2022/136476 (30.06.2022 Gazette 2022/26)

(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: 21.12.2020 EP 20216238 (71) Applicants: Université Paris Cité 75006 Paris (FR) Centre National de la Recherche Scientifique 75016 Paris (FR) Yeda Research and Development Co. Ltd 7610002 Rehovot (IL)

(72) Inventors: VON WOLFF, Niklas 75010 PARIS (FR) MILSTEIN, David 76100 Rehovot (IL) (74) Representative: Vial, Lionel et al Cabinet Lionel Vial 6 rue de Vaugondran 91190 Gif-sur-Yvette 91190 Gif-sur-Yvette (FR)