(19)

(11)

EP 4 419 623 A1

(12)

(43) Date of publication: 28.08.2024 Bulletin 2024/35 (21) Application number: 22800287.9 (22) Date of filing: 17.10.2022

(51) International Patent Classification (IPC):  C09K 19/34(2006.01) C09K 19/30(2006.01) C09K 19/04(2006.01) C09K 19/06(2006.01) C09K 19/12(2006.01) (52) Cooperative Patent Classification (CPC): C09K 2019/3004; C09K 2019/3016; C09K 2019/301; C09K 2019/3027; C09K 2019/122; C09K 2019/123; C09K 19/3491; C09K 2019/3009; C09K 19/062; C09K 2019/0448 (86) International application number: PCT/EP2022/078760 (87) International publication number: WO 2023/066827 (27.04.2023 Gazette 2023/17)

(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: 18.10.2021 EP 21203204 (71) Applicant: Merck Patent GmbH 64293 Darmstadt (DE)	(72) Inventors: HIRSCHMANN, Harald 64293 DARMSTADT (DE) BAUER, Monika 64293 DARMSTADT (DE) DEING, Kaja Christina 64293 DARMSTADT (DE) (74) Representative: Merck Patent Association  Merck Patent GmbH 64271 Darmstadt 64271 Darmstadt (DE)