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EP 4 798 657 A1

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(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24799457.7 (22) Date of filing: 17.10.2024

(51) International Patent Classification (IPC):  C08L 23/04(2006.01) C08J 5/18(2006.01) B32B 27/32(2006.01) (52) Cooperative Patent Classification (CPC): C08L 23/04; B32B 27/32; C08J 5/18; C08L 2203/16   C-Sets: C08L 23/04, C08L 23/06; (86) International application number: PCT/US2024/051730 (87) International publication number: WO 2025/090351 (01.05.2025 Gazette 2025/18)

(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: 24.10.2023 EP 23383090 (71) Applicant: Dow Global Technologies LLC Midland, MI 48674 (US)

(72) Inventors: QIAO, Yusen Lake Jackson, Texas 77566 (US) KARJALA, Teresa P. Lake Jackson, Texas 77566 (US) SÁNCHEZ, Maria Dolores 43006 Tarragona (ES) FRANCOIS, Lara 4542 NM Hoek (NL) BAREMAN, Jan 4530 AA Terneuzen (NL) MENDENHALL, Jonathan D. Lake Jackson, Texas 77566 (US) DUMONT, Paul 43006 Tarragona (ES) PARKINSON, Shaun 43006 Tarragona (ES) (74) Representative: Boult Wade Tennant LLP  Salisbury Square House 8 Salisbury Square London EC4Y 8AP London EC4Y 8AP (GB)