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EP 4 507 842 A2

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(88) Date of publication A3: 23.11.2023 (43) Date of publication: 19.02.2025 Bulletin 2025/08 (21) Application number: 23718250.6 (22) Date of filing: 06.04.2023

(51) International Patent Classification (IPC):  B22F 1/0545(2022.01) B22F 9/14(2006.01) C22C 1/04(2023.01) B01J 23/89(2006.01) B01J 37/00(2006.01) B01J 37/16(2006.01) B22F 1/102(2022.01) B22F 9/24(2006.01) B01J 21/04(2006.01) B01J 35/00(2024.01) B01J 37/34(2006.01) (52) Cooperative Patent Classification (CPC): B22F 1/0545; B22F 1/102; B22F 9/24; B22F 9/14; C22C 1/0466; B01J 21/04; B01J 23/892; B01J 37/343; B01J 37/349; B01J 37/0072; B01J 37/16; B01J 35/23; B01J 35/45 (86) International application number: PCT/EP2023/059220 (87) International publication number: WO 2023/198617 (19.10.2023 Gazette 2023/42)

(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: 11.04.2022 EP 22167630 (71) Applicant: BASF SE 67056 Ludwigshafen am Rhein (DE)

(72) Inventors: LIZANDARA PUEYO, Carlos Fremont,, California 94538 (US) WITTICH, Knut 76297 Stutensee (DE) BORN, Nils-Olof Joachim 67056 Ludwigshafen am Rhein (DE) PIKHARD, Oliver 67056 Ludwigshafen am Rhein (DE) RESCH, Stefan Guenter 72663 Grossbettlingen (DE) SCHUNK, Stephan A 69123 Heidelberg (DE) CAUDLE, Matthew T Iselin, New Jersey 08690 (US) SEELER, Fabian 67056 Ludwigshafen am Rhein (DE) SUNDERMANN, Andreas 69123 Heidelberg (DE) GERLACH, Olga 69123 Heidelberg (DE) JEVTOVIKJ, Ivana 69123 Heidelberg (DE) MATTHES, Lars 67056 Ludwigshafen am Rhein (DE) DE, Sandip 67056 Ludwigshafen am Rhein (DE) (74) Representative: Altmann Stößel Dick Patentanwälte PartG mbB  Isartorplatz 1 80331 München 80331 München (DE)