(19)

(11)

EP 4 824 124 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24821433.0 (22) Date of filing: 10.12.2024

(51) International Patent Classification (IPC):  C08F 220/18(2006.01) C08F 2/26(2006.01) C09J 5/06(2006.01) C08F 2/30(2006.01) C09J 133/06(2006.01) (52) Cooperative Patent Classification (CPC): C08F 220/1808; C08F 2/30; C08F 2/26; C09J 133/066; C09J 133/064; C09J 2301/502; C09J 5/06; C09J 2433/00   C-Sets: C08F 220/1808, C08F 220/14, C08F 212/08, C08F 220/20, C08F 222/02; (86) International application number: PCT/EP2024/085418 (87) International publication number: WO 2025/125202 (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 23307223 (71) Applicant: ARKEMA France 92800 Puteaux (FR)	(72) Inventors: LUGLI, Mario 42022 BORETTO (IT) SAIJA, Leo Mario 42011 BAGNOLO IN PIANO (IT) PREMOLI, Andrea 42022 BORETTO (IT) PERINO, Luca 42022 BORETTO (IT) FERRETTI, Simona 42022 BORETTO (IT) (74) Representative: Arkema Patent  Arkema France DRD-DPI 51, Esplanade du Général de Gaulle CS 10478 92907 Paris La Défense Cedex 92907 Paris La Défense Cedex (FR)