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(11)

EP 4 294 967 A1

(12)

(43) Date of publication: 27.12.2023 Bulletin 2023/52 (21) Application number: 22704904.6 (22) Date of filing: 08.02.2022

(51) International Patent Classification (IPC):  C25D 3/12(2006.01) C25D 7/12(2006.01) C25D 3/18(2006.01) (52) Cooperative Patent Classification (CPC): C25D 3/18; C25D 7/12; C25D 7/123 (86) International application number: PCT/EP2022/053023 (87) International publication number: WO 2022/175137 (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: 18.02.2021 FR 2101582 (71) Applicant: MacDermid Enthone Inc. Waterbury, CT 06702 (US)	(72) Inventors: BERTHON, Hermine, Marie 91220 BRETIGNY SUR ORGE (FR) THIAM, Mikailou 94240 L'HAY-LES-ROSES (FR) SUHR, Dominique 92290 CHATENAY-MALABRY (FR) KIM, Yeeseul 91190 GIF-SUR-YVETTE (FR) DOUSSOT, Céline, Pascale 92340 BOURG-LA-REINE (FR) (74) Representative: Page White Farrer  Bedford House 21a John Street London WC1N 2BF London WC1N 2BF (GB)