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(11)

EP 4 824 022 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24828388.9 (22) Date of filing: 13.12.2024

(51) International Patent Classification (IPC):  C07C 29/70(2006.01) C07C 29/80(2006.01) B01D 3/00(2006.01) C07C 31/30(2006.01) C07C 31/04(2006.01) (52) Cooperative Patent Classification (CPC): C07C 29/70; C07C 29/80; B01D 3/009; B01D 3/143; Y02P 20/10   C-Sets: C07C 29/70, C07C 31/30; C07C 29/80, C07C 31/04; (86) International application number: PCT/EP2024/086253 (87) International publication number: WO 2025/125585 (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: 14.12.2023 EP 23216789 07.08.2024 EP 24193335 19.11.2024 EP 24213907 (71) Applicant: BASF SE 67056 Ludwigshafen am Rhein (DE)	(72) Inventors: WEISSKER, Wolf-Steffen 67056 Ludwigshafen am Rhein (DE) FRIEDRICH, Holger 67056 Ludwigshafen am Rhein (DE) HOFEN, Kai 67056 Ludwigshafen am Rhein (DE) GOETZ, Manuel Manfred 67056 Ludwigshafen am Rhein (DE) (74) Representative: Altmann Stößel Dick Patentanwälte PartG mbB  Isartorplatz 1 80331 München 80331 München (DE)