(19)

(11)

EP 4 824 591 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24903067.7 (22) Date of filing: 06.12.2024

(51) International Patent Classification (IPC):  G02B 5/20(2006.01) (52) Cooperative Patent Classification (CPC): G02B 5/0215; G02B 5/0278 (86) International application number: PCT/IB2024/062347 (87) International publication number: WO 2025/126005 (19.06.2025 Gazette 2025/25)

(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: 15.12.2023 US 202363610694 P (71) Applicant: 3M Innovative Properties Company Saint Paul, Minnesota 55133-3427 (US)

(72) Inventors: CHIEN, Bert T. Saint Paul, Minnesota 55133-3427 (US) KAWAKAMI, Ellison G. Saint Paul, Minnesota 55133-3427 (US) KOLB, William B. Saint Paul, Minnesota 55133-3427 (US) BRUESEWITZ, Daniel K. Saint Paul, Minnesota 55133-3427 (US) HENRY, Brady J. Saint Paul, Minnesota 55133-3427 (US) ROSEN, David A. Saint Paul, Minnesota 55133-3427 (US) ACHARYA, Bharat R. Saint Paul, Minnesota 55133-3427 (US) CHATTERJEE, Reema Saint Paul, Minnesota 55133-3427 (US) ZU, Rui Saint Paul, Minnesota 55133-3427 (US) (74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB  Siebertstraße 4 81675 München 81675 München (DE)