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EP 4 824 020 A1

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(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24827694.1 (22) Date of filing: 12.12.2024

(51) International Patent Classification (IPC):  C07C 29/34(2006.01) C07C 31/12(2006.01) (52) Cooperative Patent Classification (CPC): C07C 29/34   C-Sets: C07C 29/34, C07C 31/12; (86) International application number: PCT/EP2024/085998 (87) International publication number: WO 2025/125470 (19.06.2025 Gazette 2025/25)

(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: 13.12.2023 EP 23216167 (71) Applicant: BASF SE 67056 Ludwigshafen am Rhein (DE)

(72) Inventors: ELLER, Johannes Lazaros Friedrich 67056 Ludwigshafen am Rhein (DE) SCHWARZ, Jonas Luca 67056 Ludwigshafen am Rhein (DE) DELGADO, Nirvana 67056 Ludwigshafen am Rhein (DE) PFEIFFER, Daniel 67056 Ludwigshafen am Rhein (DE) LEJKOWSKI, Michael Ludwig 67056 Ludwigshafen am Rhein (DE) (74) Representative: Altmann Stößel Dick Patentanwälte PartG mbB  Isartorplatz 1 80331 München 80331 München (DE)