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EP 4 816 470 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24820267.3 (22) Date of filing: 21.11.2024

(51) International Patent Classification (IPC):  C08L 67/02(2006.01) C08L 71/02(2006.01) C08L 79/08(2006.01) C08L 33/06(2006.01) C08L 3/02(2006.01) C08L 67/04(2006.01) C08K 5/053(2006.01) C08G 63/183(2006.01) (52) Cooperative Patent Classification (CPC): C08L 67/02; C08G 63/183   C-Sets: C08L 67/02, C08L 3/02, C08L 71/02; C08L 67/02, C08L 3/02, C08L 71/02, C08L 67/04, C08L 33/068, C08L 79/08, C08K 5/053; C08L 67/02, C08L 3/02, C08L 71/02, C08L 67/04, C08L 33/068, C08L 79/08, C08K 5/053, C08K 3/013; C08L 67/02, C08L 3/02, C08K 5/0016, C08L 71/02; C08L 67/02, C08L 3/02, C08K 5/0016, C08L 71/02, C08K 3/013; (86) International application number: PCT/EP2024/083070 (87) International publication number: WO 2025/114124 (05.06.2025 Gazette 2025/23)

(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: 28.11.2023 IT 202300025317 (71) Applicant: Novamont S.p.A. 28100 Novara (IT)	(72) Inventors: D'ELICIO, Alessandro 20126 Milano (IT) MILIZIA, Tiziana 28100 Novara (IT) RUSSO, Claudio 28100 Novara (IT) GESTI GARCIA, Sebastià 10100 Torino (IT) (74) Representative: Zanoli, Enrico et al Zanoli & Giavarini S.p.A. Via Melchiorre Gioia, 64 20125 Milano 20125 Milano (IT)