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EP 4 770 864 A1

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(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24762758.1 (22) Date of filing: 26.08.2024

(51) International Patent Classification (IPC):  B32B 7/06(2019.01) B32B 17/10(2006.01) B32B 27/36(2006.01) B32B 7/12(2006.01) B32B 27/08(2006.01) B32B 27/40(2006.01) (52) Cooperative Patent Classification (CPC): B32B 27/08; B32B 27/36; B32B 2250/24; B32B 2255/10; B32B 2255/26; B32B 2274/00; B32B 2307/412; B32B 2307/54; B32B 2307/5825; B32B 2307/7376; B32B 27/40; B32B 17/1077; C09J 2475/006; B32B 7/06; B32B 7/12; C09J 7/25; C09J 2301/122; C09J 2301/312; C09J 2203/346; B32B 17/10018 (86) International application number: PCT/IB2024/058290 (87) International publication number: WO 2025/046446 (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: 31.08.2023 US 202363535601 P (71) Applicant: 3M Innovative Properties Company Saint Paul, Minnesota 55133-3427 (US)

(72) Inventors: SHEN, Lu Saint Paul, Minnesota 55133-3427 (US) LYON, Keith R. Saint Paul, Minnesota 55133-3427 (US) STAVREFF, Michael F. Saint Paul, Minnesota 55133-3427 (US) GORRELL, Matthew W. Saint Paul, Minnesota 55133-3427 (US) STENDER, John B. Saint Paul, Minnesota 55133-3427 (US) BRAUN, Ryan M. Saint Paul, Minnesota 55133-3427 (US) YANG, Zoong Saint Paul, Minnesota 55133-3427 (US) SIGLIN, David P. Saint Paul, Minnesota 55133-3427 (US) GIRON, Lesbia E. Saint Paul, Minnesota 55133-3427 (US) JENNEN, Jay M. Saint Paul, Minnesota 55133-3427 (US) (74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB  Siebertstraße 4 81675 München 81675 München (DE)