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EP 4 017 654 A1

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(43) Date of publication: 29.06.2022 Bulletin 2022/26 (21) Application number: 20761638.4 (22) Date of filing: 20.08.2020

(51) International Patent Classification (IPC):  B08B 17/06(2006.01) B29C 59/04(2006.01) B29C 59/02(2006.01) B29C 51/14(2006.01) B29C 51/00(2006.01) (52) Cooperative Patent Classification (CPC): B08B 17/065; B29C 2059/023; B29C 59/022; B29C 59/046; B29C 51/02; B29L 2031/756 (86) International application number: PCT/IB2020/057840 (87) International publication number: WO 2021/033162 (25.02.2021 Gazette 2021/08)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 20.08.2019 US 201962889088 P 20.05.2020 US 202063027412 P 19.08.2020 US 202063067701 P (71) Applicant: 3M Innovative Properties Company Saint Paul, Minnesota 55133-3427 (US)

(72) Inventors: CONNELL, Jodi L. Saint Paul, Minnesota 55133-3427 (US) JOHNSTON, Raymond P. Saint Paul, Minnesota 55133-3427 (US) SULLIVAN, John J. Saint Paul, Minnesota 55133-3427 (US) GEISLER, Karl J.L. Saint Paul, Minnesota 55133-3427 (US) JONES, Vivian W. Saint Paul, Minnesota 55133-3427 (US) KUHNLEY, Gordan A. Saint Paul, Minnesota 55133-3427 (US) ZIMMERMAN, Patrick G. Saint Paul, Minnesota 55133-3427 (US) EATON, Bradley W. Saint Paul, Minnesota 55133-3427 (US) HALVERSON, Kurt J. Saint Paul, Minnesota 55133-3427 (US) LUECK, Brian W. Saint Paul, Minnesota 55133-3427 (US) ELDREDGE, Alexander C. Saint Paul, Minnesota 55133-3427 (US) LECHUGA, Hyacinth L. Saint Paul, Minnesota 55133-3427 (US) (74) Representative: Mathys & Squire  Theatinerstraße 7 80333 München 80333 München (DE)