(19)

(11)

EP 4 511 446 A1

(12)

(43) Date of publication: 26.02.2025 Bulletin 2025/09 (21) Application number: 23720110.8 (22) Date of filing: 19.04.2023

(51) International Patent Classification (IPC):  C09K 19/34(2006.01) C09K 19/30(2006.01) C09K 19/12(2006.01) C09K 19/06(2006.01) C09K 19/04(2006.01) (52) Cooperative Patent Classification (CPC): C09K 2019/3408; C09K 19/3491; C09K 2019/3004; C09K 19/062; C09K 2019/301; C09K 19/3098; C09K 2019/3009; C09K 2019/3027; C09K 2019/3016; C09K 2019/0466; C09K 2019/122; C09K 19/3066; C09K 2019/0448 (86) International application number: PCT/EP2023/060056 (87) International publication number: WO 2023/203043 (26.10.2023 Gazette 2023/43)

(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: 22.04.2022 EP 22169364 (71) Applicant: Merck Patent GmbH 64293 Darmstadt (DE)	(72) Inventors: HIRSCHMANN, Harald 64293 Darmstadt (DE) SCHOEN, Sabine 64293 Darmstadt (DE) (74) Representative: Merck Patent Association  Merck Patent GmbH 64271 Darmstadt 64271 Darmstadt (DE)