(19)

(11)

EP 4 771 084 A1

(12)

(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24758824.7 (22) Date of filing: 21.08.2024

(51) International Patent Classification (IPC):  C08J 5/18(2006.01) C08L 23/04(2006.01) C08L 23/06(2006.01) (52) Cooperative Patent Classification (CPC): C08J 5/18; C08J 2323/06; C08J 2423/06; C08L 23/06; C08L 2205/025; C08L 2203/16; C08L 23/04   C-Sets: C08L 23/06, C08L 23/06; C08L 23/04, C08L 23/04; (86) International application number: PCT/EP2024/073452 (87) International publication number: WO 2025/045692 (06.03.2025 Gazette 2025/10)

(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: 28.08.2023 EP 23193628 (71) Applicant: Basell Polyolefine GmbH 50389 Wesseling (DE)	(72) Inventors: PERDOMI, Gianni 44122 Ferrara (IT) NITZ, Hansjoerg 65926 Frankfurt/M. (DE) EDERLE, Yannick 69002 Lyon (FR) BASSI, Paolo 44122 Ferrara (IT) (74) Representative: LyondellBasell  c/o Basell Polyolefine GmbH Industriepark Hoechst, Bldg. E413 65926 Frankfurt am Main 65926 Frankfurt am Main (DE)