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(11)

EP 4 739 783 A1

(12)

(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 24739508.0 (22) Date of filing: 03.07.2024

(51) International Patent Classification (IPC):  C12N 15/86(2006.01) C11D 1/00(2006.01) (52) Cooperative Patent Classification (CPC): C12N 2750/14143; C12N 2750/14151; C12N 15/86; C11D 1/721; C11D 3/48 (86) International application number: PCT/EP2024/068725 (87) International publication number: WO 2025/008397 (09.01.2025 Gazette 2025/02)

(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: 05.07.2023 EP 23306130 (71) Applicant: Merck Patent GmbH 64293 Darmstadt (DE)	(72) Inventors: ANTONELLO, Alice 64293 Darmstadt (DE) LECHAT, Sarah 67120 MOLSHEIM (FR) (74) Representative: Merck Patent Association  Merck Patent GmbH 64271 Darmstadt 64271 Darmstadt (DE)