(19)

(11)

EP 4 823 820 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24827689.1 (22) Date of filing: 12.12.2024

(51) International Patent Classification (IPC):  B29C 37/00(2006.01) B29C 67/20(2006.01) B29C 44/44(2006.01) C08J 9/232(2006.01) (52) Cooperative Patent Classification (CPC): B29C 2037/0035; B29C 37/0032; B29C 44/445; B29C 67/205; C08J 9/232; B29K 2075/00; B29C 44/3415 (86) International application number: PCT/EP2024/085938 (87) International publication number: WO 2025/125440 (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: 15.12.2023 EP 23217056 (71) Applicant: BASF SE 67056 Ludwigshafen am Rhein (DE)	(72) Inventors: CRISTADORO, Anna Maria 49448 Lemfoerde (DE) KRAMER, Tobias 49448 Lemfoerde (DE) RUEMPEL, Jens-Henning 48165 Münster (DE) WINZEN, Simon 48165 Münster (DE) WORTMANN, Laura 48165 Münster (DE) (74) Representative: BASF IP Association  BASF SE GBI - Z0078 67056 Ludwigshafen 67056 Ludwigshafen (DE)