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(11)

EP 4 543 276 A1

(12)

(43) Date of publication: 30.04.2025 Bulletin 2025/18 (21) Application number: 23736481.5 (22) Date of filing: 23.06.2023

(51) International Patent Classification (IPC):  A47L 17/04(2006.01) B24D 15/04(2006.01) (52) Cooperative Patent Classification (CPC): A47L 17/04; B24D 15/04 (86) International application number: PCT/IB2023/056524 (87) International publication number: WO 2023/248201 (28.12.2023 Gazette 2023/52)

(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: KH MA MD TN (30) Priority: 24.06.2022 US 202263366970 P (71) Applicant: 3M Innovative Properties Company Saint Paul, Minnesota 55133-3427 (US)	(72) Inventors: BRYSON, Kyle C. Saint Paul, Minnesota 55133-3427 (US) LARSEN, Jeremy K. Saint Paul, Minnesota 55133-3427 (US) DAVENPORT, Mario Saint Paul, Minnesota 55133-3427 (US) WRUBLE, Kevin R. Saint Paul, Minnesota 55133-3427 (US) (74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB  Siebertstraße 4 81675 München 81675 München (DE)