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(11)

EP 3 662 103 A2

(12)

(88) Date of publication A3: 25.04.2019 (43) Date of publication: 10.06.2020 Bulletin 2020/24 (21) Application number: 18840426.3 (22) Date of filing: 30.07.2018

(51) International Patent Classification (IPC):  D04H 1/4291(2012.01) D01D 5/088(2006.01) (86) International application number: PCT/IB2018/055686 (87) International publication number: WO 2019/025943 (07.02.2019 Gazette 2019/06)

(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: 31.07.2017 US 201762539242 P 20.07.2018 US 201862700931 P (71) Applicant: 3M Innovative Properties Company Saint Paul, Minnesota 55133-3427 (US)

(72) Inventors: JOSEPH, Eugene G. Saint Paul, Minnesota 55133-3427 (US) BATRA, Saurabh Saint Paul, Minnesota 55133-3427 (US) BERRIGAN, Michael R. Saint Paul, Minnesota 55133-3427 (US) STELTER, John D. Saint Paul, Minnesota 55133-3427 (US) THELEN, Jacob J. Saint Paul, Minnesota 55133-3427 (US) BECKER, Zackary J. Saint Paul, Minnesota 55133-3427 (US) REN, Liyun Saint Paul, Minnesota 55133-3427 (US) TALWAR, Sachin Saint Paul, Minnesota 55133-3427 (US) ROMANO, Michael D. Saint Paul, Minnesota 55133-3427 (US) (74) Representative: Mathys & Squire  Mathys & Squire Europe LLP Theatinerstraße 7 80333 München 80333 München (DE)