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EP 4 231 855 A1

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(43) Date of publication: 30.08.2023 Bulletin 2023/35 (21) Application number: 21802399.2 (22) Date of filing: 21.10.2021

(51) International Patent Classification (IPC):  A24B 3/18(2006.01) A24B 15/16(2020.01) A24F 40/20(2020.01) A24B 15/12(2006.01) A24D 1/20(2020.01) (52) Cooperative Patent Classification (CPC): A24B 3/182; A24B 15/12; A24B 15/16; A24D 1/20 (86) International application number: PCT/GB2021/052726 (87) International publication number: WO 2022/084680 (28.04.2022 Gazette 2022/17)

(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: 23.10.2020 GB 202016880 05.03.2021 GB 202103099 (71) Applicant: Nicoventures Trading Limited London WC2R 3LA (GB)	(72) Inventors: JUMAN, Nadine London WC2R 3LA (GB) SEBOLD, Valerio London WC2R 3LA (GB) WALPOLE, Nicholas London WC2R 3LA (GB) AYINA, Gilbert London WC2R 3LA (GB) DAVIS, Peter London WC2R 3LA (GB) FORD, Hudson London WC2R 3LA (GB) (74) Representative: Beasley, Benjamin Oliver et al Venner Shipley LLP 200 Aldersgate London EC1A 4HD London EC1A 4HD (GB)