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EP 4 816 088 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24812862.1 (22) Date of filing: 26.11.2024

(51) International Patent Classification (IPC):  B01J 23/04(2006.01) B01J 21/06(2006.01) B01J 27/28(2006.01) B01J 35/55(2024.01) B01J 35/60(2024.01) B01J 37/08(2006.01) B01J 19/24(2006.01) C07C 47/04(2006.01) B01J 27/224(2006.01) B01J 23/92(2006.01) B01J 35/40(2024.01) B01J 35/56(2024.01) B01J 37/02(2006.01) B01J 38/12(2006.01) C07C 45/00(2006.01) (52) Cooperative Patent Classification (CPC): B01J 2208/00415; B01J 2219/00135; B01J 23/04; B01J 21/06; B01J 23/92; B01J 27/224; B01J 27/28; B01J 35/40; B01J 35/55; B01J 35/56; B01J 35/60; B01J 37/0203; B01J 37/0205; B01J 37/08; B01J 38/12; B01J 19/2485; C07C 45/002; C01B 3/22; C01B 2203/0277; C01B 2203/085; C01B 2203/1023   C-Sets: C07C 45/002, C07C 47/04; (86) International application number: PCT/EP2024/083548 (87) International publication number: WO 2025/114251 (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: 28.11.2023 EP 23212694 (71) Applicant: BASF SE 67056 Ludwigshafen am Rhein (DE)

(72) Inventors: BENDER, Michael 67056 Ludwigshafen am Rhein (DE) KAMIENOWSKA, Marta 76131 Karlsruhe (DE) NIEDERMEIER, Klarissa 76131 Karlsruhe (DE) WETZEL, Thomas 76131 Karlsruhe (DE) MIODEK, Peter 76131 Karlsruhe (DE) KUNTZ, Daniel 76131 Karlsruhe (DE) KONRAD, Joachim 76131 Karlsruhe (DE) HOFBERGER, Christoph 76131 Karlsruhe (DE) (74) Representative: BASF IP Association  BASF SE GBI - Z0078 67056 Ludwigshafen 67056 Ludwigshafen (DE)