(19)

(11)

EP 4 824 075 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24820419.0 (22) Date of filing: 05.12.2024

(51) International Patent Classification (IPC):  C07F 9/53(2006.01) C07F 9/6533(2006.01) C08F 2/50(2006.01) C09D 11/101(2014.01) G03F 7/031(2006.01) C07F 9/6558(2006.01) B41M 7/00(2006.01) C08K 5/00(2006.01) G03F 7/038(2006.01) G03F 7/029(2006.01) (52) Cooperative Patent Classification (CPC): C07F 9/5337; C07F 9/65583; C08F 2/50; C09D 11/101; G03F 7/0388; C07F 9/6533; G03F 7/029; G03F 7/031 (86) International application number: PCT/EP2024/084903 (87) International publication number: WO 2025/125082 (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: 11.12.2023 EP 23307168 (71) Applicant: ARKEMA France 92800 Puteaux (FR)

(72) Inventors: JEPSON, David Yorkshire LS22 7NS (GB) CALDERLEY, Nicholas Yorkshire LS22 7NS (GB) PLENDERLEITH, Richard Yorkshire LS22 7NS (GB) SQUIRES, Kelly Yorkshire LS22 7NS (GB) TELITEL, Sofia 60550 Verneuil-En-Halatte (FR) MELEC, Pierre 60550 Verneuil-En-Halatte (FR) DEMOULIN, Kevin 60550 Verneuil-En-Halatte (FR) CICERON, Philippe 60300 Senlis (FR) (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)