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(11)

EP 4 798 003 A1

(12)

(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24801630.5 (22) Date of filing: 25.10.2024

(51) International Patent Classification (IPC):  A24F 40/10(2020.01) A24F 40/485(2020.01) A24F 40/42(2020.01) (52) Cooperative Patent Classification (CPC): A24F 40/10; A24F 40/485; A24F 40/42; A61M 15/06 (86) International application number: PCT/GB2024/052738 (87) International publication number: WO 2025/088337 (01.05.2025 Gazette 2025/18)

(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: 26.10.2023 CN 202311405501 17.11.2023 GB 202317629 (71) Applicant: Nicoventures Trading Limited London WC2R 3LA (GB)	(72) Inventors: XU, Xiaofeng London WC2R 3LA (GB) LIU, Hongqiang London WC2R 3LA (GB) (74) Representative: D Young & Co LLP  3 Noble Street London EC2V 7BQ London EC2V 7BQ (GB)