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(11)

EP 4 514 864 A1

(12)

(43) Date of publication: 05.03.2025 Bulletin 2025/10 (21) Application number: 23722851.5 (22) Date of filing: 26.04.2023

(51) International Patent Classification (IPC):  C08F 210/06(2006.01) C08F 4/659(2006.01) (52) Cooperative Patent Classification (CPC): C08F 210/06; C08F 4/65908; C08F 4/65912; C08F 2420/07   C-Sets: C08F 210/06, C08F 2/001; C08F 210/06, C08F 4/65927; C08F 210/06, C08F 210/14, C08F 2500/12, C08F 2500/27, C08F 2500/34, C08F 2500/33; C08F 210/06, C08F 210/14, C08F 2500/12, C08F 2500/27, C08F 2500/34, C08F 2500/33, C08F 2500/03; C08F 210/06, C08F 210/14, C08F 210/16, C08F 2500/27, C08F 2500/33, C08F 2500/34, C08F 2500/35; (86) International application number: PCT/EP2023/060889 (87) International publication number: WO 2023/208984 (02.11.2023 Gazette 2023/44)

(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: 28.04.2022 EP 22170438 (71) Applicant: Borealis AG 1020 Vienna (AT)	(72) Inventors: RESCONI, Luigi 4021 Linz (AT) SCHWARZENBERGER, Simon 4021 Linz (AT) (74) Representative: Maiwald GmbH  Elisenhof Elisenstraße 3 80335 München 80335 München (DE)