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EP 4 816 071 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24904703.6 (22) Date of filing: 10.12.2024

(51) International Patent Classification (IPC):  A62D 3/115(2007.01) C02F 1/28(2023.01) B09B 3/00(2022.01) (52) Cooperative Patent Classification (CPC): A62D 3/115; C02F 1/32; C02F 2101/301; C02F 2101/36; C02F 2305/10; A62D 2101/22; B09B 2101/95; B09B 3/50 (86) International application number: PCT/US2024/059297 (87) International publication number: WO 2025/128512 (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: 11.12.2023 US 202363608549 P (71) Applicant: The Regents of the University of California Oakland, CA 94607 (US)	(72) Inventors: LIU, Jinyong Riverside, California 92521 (US) GAO, Jinyu Riverside, California 92521 (US) (74) Representative: Meissner Bolte Partnerschaft mbB  Patentanwälte Rechtsanwälte Postfach 86 06 24 81633 München 81633 München (DE)