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(11)

EP 3 645 776 A1

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(43) Date of publication: 06.05.2020 Bulletin 2020/19 (21) Application number: 18749509.8 (22) Date of filing: 26.06.2018

(51) International Patent Classification (IPC):  D04H 1/407(2012.01) D04H 13/00(2006.01) D04H 1/58(2012.01) (86) International application number: PCT/IB2018/054716 (87) International publication number: WO 2019/003115 (03.01.2019 Gazette 2019/01)

(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: 29.06.2017 US 201762526711 P (71) Applicant: 3M Innovative Properties Company Saint Paul, Minnesota 55133-3427 (US)

(72) Inventors: CREIGHTON, Megan A. Saint Paul, Minnesota 55133-3427 (US) GOENNER, Emily S. Saint Paul, Minnesota 55133-3427 (US) JOHNSTON, Raymond P. Saint Paul, Minnesota 55133-3427 (US) PRIOLO, Morgan A. Saint Paul, Minnesota 55133-3427 (US) GETSCHEL, Joel A. Saint Paul, Minnesota 55133-3427 (US) (74) Representative: Mathys & Squire  Mathys & Squire Europe LLP Theatinerstraße 7 80333 München 80333 München (DE)