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EP 4 816 343 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24817183.7 (22) Date of filing: 27.11.2024

(51) International Patent Classification (IPC):  C07C 29/56(2006.01) C07C 33/025(2006.01) (52) Cooperative Patent Classification (CPC): C07C 29/56   C-Sets: C07C 29/56, C07C 33/025; (86) International application number: PCT/EP2024/083705 (87) International publication number: WO 2025/114332 (05.06.2025 Gazette 2025/23)

(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: 27.11.2023 EP 23212235 (71) Applicant: BASF SE 67056 Ludwigshafen am Rhein (DE)

(72) Inventors: UFER, Andreas Joerg 67056 Ludwigshafen am Rhein (DE) KELLER, Andreas 67056 Ludwigshafen am Rhein (DE) GAMERO, Maria Daniela 67056 Ludwigshafen am Rhein (DE) LEFEBVRE, Jonathan Thomas 67056 Ludwigshafen am Rhein (DE) RUETTINGER, Sophie Catherine 67056 Ludwigshafen am Rhein (DE) (74) Representative: Meissner Bolte Partnerschaft mbB  Patentanwälte Rechtsanwälte Postfach 86 06 24 81633 München 81633 München (DE)