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(11)

EP 4 771 065 A1

(12)

(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24764828.0 (22) Date of filing: 29.08.2024

(51) International Patent Classification (IPC):  C08F 110/02(2006.01) C08F 4/659(2006.01) C08F 210/16(2006.01) (52) Cooperative Patent Classification (CPC): C08F 110/02; C08F 210/16; C08F 4/65912; C08F 4/65916   C-Sets: C08F 210/16, C08F 210/14, C08F 2500/02, C08F 2500/04, C08F 2500/10, C08F 2500/12, C08F 2500/17, C08F 2500/27, C08F 2500/31, C08F 2500/37, C08F 2500/29; C08F 10/02, C08F 4/7042; C08F 10/02, C08F 4/65925; C08F 110/02, C08F 2500/02, C08F 2500/04, C08F 2500/10, C08F 2500/12, C08F 2500/13, C08F 2500/17, C08F 2500/31, C08F 2500/37; (86) International application number: PCT/EP2024/074162 (87) International publication number: WO 2025/045995 (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: 31.08.2023 EP 23194737 (71) Applicant: Basell Polyolefine GmbH 50389 Wesseling (DE)	(72) Inventors: MIHAN, Shahram 65926 Frankfurt/M. (DE) MANNEBACH, Gerd 65926 Frankfurt/M. (DE) STEELE, Jonathan Ferndown, Dorset BH22 9PG (GB) (74) Representative: LyondellBasell  c/o Basell Polyolefine GmbH Industriepark Hoechst, Bldg. E413 65926 Frankfurt am Main 65926 Frankfurt am Main (DE)