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EP 4 526 388 A1

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(43) Date of publication: 26.03.2025 Bulletin 2025/13 (21) Application number: 23722602.2 (22) Date of filing: 15.05.2023

(51) International Patent Classification (IPC):  C09D 171/00(2006.01) C09J 171/00(2006.01) C08G 18/10(2006.01) C08G 18/38(2006.01) C09D 175/04(2006.01) C09J 175/04(2006.01) C08G 18/12(2006.01) C08L 75/04(2006.01) (52) Cooperative Patent Classification (CPC): C09J 171/00; C09J 175/04; C09D 171/00; C09D 175/04; C08G 18/10; C08G 18/12; C08G 18/3893; C08L 75/04; C08K 5/0066; C08K 5/3462; C08K 5/34928; C08K 5/34924; C08K 2003/323   C-Sets: C08G 18/10, C08G 18/3893; C08K 5/34928, C08L 71/02; C08K 5/3462, C08L 71/02; C09J 171/00, C08K 5/0066, C08K 5/544; C09D 171/00, C08K 5/0066, C08K 5/544; (86) International application number: PCT/EP2023/063012 (87) International publication number: WO 2023/222623 (23.11.2023 Gazette 2023/47)

(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: KH MA MD TN (30) Priority: 19.05.2022 EP 22305739 (71) Applicant: Bostik SA 92700 Colombes (FR)	(72) Inventors: QIU, Ziwen Shanghai 201108 (CN) CAO, Yichen Shanghai 201108 (CN) (74) Representative: Arkema Patent  Arkema France DRD-DPI 420, rue d'Estienne d'Orves 92705 Colombes Cedex 92705 Colombes Cedex (FR)