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EP 4 771 071 A1

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(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24762310.1 (22) Date of filing: 28.08.2024

(51) International Patent Classification (IPC):  C08G 18/22(2006.01) C08G 18/48(2006.01) C08G 18/79(2006.01) C08K 3/22(2006.01) C08L 75/08(2006.01) C09D 175/08(2006.01) C09J 175/08(2006.01) H01M 10/613(2014.01) C08G 18/71(2006.01) C08G 18/32(2006.01) C08G 18/66(2006.01) C08K 3/013(2018.01) C08K 3/34(2006.01) C08L 75/12(2006.01) C09D 175/12(2006.01) C09J 175/12(2006.01) H01M 10/653(2014.01) (52) Cooperative Patent Classification (CPC): H01M 10/653; C08K 3/22; C08K 2003/2227; H01M 10/613; C08K 3/34; C08G 18/227; C08G 18/3284; C08G 18/4812; C08G 18/482; C08G 18/4879; C08G 18/4825; C08G 18/3215; C08G 18/667; C08G 18/792; C09D 175/08; C09J 175/08; C09J 175/12; C09D 175/12; C08L 75/12; C08L 75/08; C08G 18/71; C08K 9/06 (86) International application number: PCT/EP2024/073996 (87) International publication number: WO 2025/045910 (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: 01.09.2023 EP 23315335 (71) Applicant: Bostik SA 92800 Puteaux (FR)	(72) Inventors: SANZ, Federico 60280 VENETTE (FR) HOLLE, Sophie 60280 VENETTE (FR) OLEJNIK, Nicolas 60280 VENETTE (FR) MAYER, Christoph 76307 KARLSBAD (DE) STÖSSER, Benjamin 76307 KARLSBAD (DE) (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)