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EP 4 816 144 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24896863.8 (22) Date of filing: 25.11.2024

(51) International Patent Classification (IPC):  B29C 48/30(2019.01) B29C 48/00(2019.01) B29K 21/00(2006.01) B29C 48/16(2019.01) B29C 48/15(2019.01) B29K 105/00(2006.01) (52) Cooperative Patent Classification (CPC): B29C 48/16; B29C 48/266; B29C 48/05; B29C 48/2888; B29C 48/397; B29C 48/02; B29C 48/304; B29C 48/022; B29C 48/09; B29C 48/154; B29K 2021/003; B29K 2105/0097 (86) International application number: PCT/IB2024/061804 (87) International publication number: WO 2025/114863 (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: 01.12.2023 US 202363605201 P (71) Applicant: 3M Innovative Properties Company Saint Paul, Minnesota 55133-3427 (US)

(72) Inventors: ROSENBLOOM, Stephanie I. Saint Paul, Minnesota 55133-3427 (US) BEHLING, Ross E. Saint Paul, Minnesota 55133-3427 (US) CHASTEK, Thomas Q. Saint Paul, Minnesota 55133-3427 (US) DAVILA, Ludovico Saint Paul, Minnesota 55133-3427 (US) KOPECKY, William J. Saint Paul, Minnesota 55133-3427 (US) NAPIERALA, Mark E. Saint Paul, Minnesota 55133-3427 (US) PORTER, Quinton J. Saint Paul, Minnesota 55133-3427 (US) SCHULZ, Mark F. Saint Paul, Minnesota 55133-3427 (US) WEST, Shaun M. Saint Paul, Minnesota 55133-3427 (US) YOUNG, Jacob D. Saint Paul, Minnesota 55133-3427 (US) ZHU, Zhijie Saint Paul, Minnesota 55133-3427 (US) (74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB  Siebertstraße 4 81675 München 81675 München (DE)