(19)

(11)

EP 4 824 172 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24828783.1 (22) Date of filing: 13.12.2024

(51) International Patent Classification (IPC):  C09D 5/00(2006.01) C09D 5/08(2006.01) C09D 4/00(2006.01) (52) Cooperative Patent Classification (CPC): C09D 5/00; C09D 5/08; C09D 4/00   C-Sets: C09D 4/00, C08F 222/102; C08F 222/102, C08F 222/1067, C08F 230/02; (86) International application number: PCT/EP2024/086143 (87) International publication number: WO 2025/125534 (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: 13.12.2023 EP 23307200 (71) Applicant: ARKEMA France 92800 Puteaux (FR)	(72) Inventors: HE, Yuhong Exton, Pennsylvania 19341 (US) LI, Ling Exton, Pennsylvania 19341 (US) BIRIA, Saied Exton, Pennsylvania 19341 (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)