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(11)

EP 4 798 769 A1

(12)

(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24883059.8 (22) Date of filing: 20.08.2024

(51) International Patent Classification (IPC):  C25D 3/02(2006.01) C25D 3/56(2006.01) C25D 3/12(2006.01) (52) Cooperative Patent Classification (CPC): C25D 3/12; C25D 17/10; C25D 21/02; C25D 5/627; C25D 3/562 (86) International application number: PCT/US2024/043019 (87) International publication number: WO 2025/090166 (01.05.2025 Gazette 2025/18)

(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: GE KH MA MD TN (30) Priority: 26.10.2023 US 202318383959 (71) Applicant: MacDermid Enthone Inc. Waterbury, CT 06702 (US)	(72) Inventor: KONIGSHOFEN, Andreas 51371 Leverkusen (DE) (74) Representative: Boult Wade Tennant LLP  Salisbury Square House 8 Salisbury Square London EC4Y 8AP London EC4Y 8AP (GB)