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EP 4 816 465 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24827413.6 (22) Date of filing: 25.11.2024

(51) International Patent Classification (IPC):  C08L 23/08(2025.01) B32B 27/32(2006.01) B32B 19/02(2006.01) C08K 3/26(2006.01) (52) Cooperative Patent Classification (CPC): C08L 2205/025; C08K 2003/265; C08L 23/0815   C-Sets: C08L 23/0815, C08L 23/0815, C08K 3/26; (86) International application number: PCT/US2024/057247 (87) International publication number: WO 2025/117422 (05.06.2025 Gazette 2025/23)

(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: 27.11.2023 US 202363602963 P (71) Applicant: Dow Global Technologies LLC Midland, MI 48674 (US)

(72) Inventors: HALL, Ryan Lake Jackson, Texas 77566 (US) NEILSON, Bethany Lake Jackson, Texas 77566 (US) HU, Yushan Lake Jackson, Texas 77566 (US) CHEN, Qi Lake Jackson, Texas 77566 (US) LIN, Yijian Lake Jackson, Texas 77566 (US) KENT, Rosalyn Lake Jackson, Texas 77566 (US) SHIMEALL, Peter Lake Jackson, Texas 77566 (US) GREEN, Shayne Lake Jackson, Texas 77566 (US) TUBERQUIA, Juan Lake Jackson, Texas 77566 (US) (74) Representative: Beck Greener LLP  Fulwood House 12 Fulwood Place London WC1V 6HR London WC1V 6HR (GB)