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EP 4 771 069 A2

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(88) Date of publication A3: 17.04.2025 (43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24860751.7 (22) Date of filing: 22.08.2024

(51) International Patent Classification (IPC):  C08F 220/20(2006.01) C09D 133/08(2006.01) C04B 103/00(2006.01) C08F 220/06(2006.01) C04B 41/48(2006.01) (52) Cooperative Patent Classification (CPC): C09J 133/08   C-Sets: C08F 220/1802, C08F 220/1808, C08F 220/1808, C08F 220/06, C08F 220/20, C08F 230/085, C08F 222/102; C09J 133/08, C08K 3/36; (86) International application number: PCT/US2024/043407 (87) International publication number: WO 2025/049240 (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: 29.08.2023 US 202363535135 P (71) Applicant: Arkema Inc. King of Prussia, PA 19406 (US)

(72) Inventors: FU, Tsung-hao King of Prussia, Pennsylvania 19406 (US) MINER, II, Albert R. King of Prussia, Pennsylvania 19406 (US) MILLER, Christopher King of Prussia, Pennsylvania 19406 (US) GRIEB, Ronald, Scott King of Prussia, Pennsylvania 19406 (US) WU, Wenjun King of Prussia, Pennsylvania 19406 (US) HULL, Robert, M. King of Prussia, Pennsylvania 19406 (US) (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)