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EP 4 771 073 A1

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(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24761241.9 (22) Date of filing: 26.08.2024

(51) International Patent Classification (IPC):  C08G 18/30(2006.01) C08G 18/40(2006.01) C08G 18/48(2006.01) C09J 175/04(2006.01) D06M 17/10(2006.01) C08G 18/32(2006.01) C08G 18/42(2006.01) C08G 18/76(2006.01) C08G 18/12(2006.01) (52) Cooperative Patent Classification (CPC): C08G 2170/20; C08G 18/7671; C09J 175/04; C08G 18/4854; C08G 18/3206; C08G 18/42; C08G 18/4018; C08G 18/4829; C08G 18/4825; C08G 18/12; D06M 17/10   C-Sets: C08G 18/10, C08G 18/307; C08G 18/12, C08G 18/307; (86) International application number: PCT/EP2024/073799 (87) International publication number: WO 2025/045811 (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: 28.08.2023 EP 23315329 (71) Applicant: Bostik SA 92800 Puteaux (FR)	(72) Inventors: MA, Xiaowei Shanghai 201108 (CN) WEI, Jiangong Shanghai 201108 (CN) (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)