(19)

(11)

EP 4 199 764 A1

(12)

(43) Date of publication: 28.06.2023 Bulletin 2023/26 (21) Application number: 21778535.1 (22) Date of filing: 10.09.2021

(51) International Patent Classification (IPC):  A24F 40/44(2020.01) A24F 40/53(2020.01) A24F 40/50(2020.01) A24F 40/57(2020.01) (52) Cooperative Patent Classification (CPC): A24F 40/44; A24F 40/50; A24F 40/53; A24F 40/57; A24F 40/10 (86) International application number: PCT/GB2021/052354 (87) International publication number: WO 2022/064171 (31.03.2022 Gazette 2022/13)

(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: 22.09.2020 GB 202014916 22.09.2020 GB 202014905 22.09.2020 GB 202014924 (71) Applicant: Nicoventures Trading Limited London WC2R 3LA (GB)	(72) Inventors: LEADLEY, David London WC2R 3LA (GB) XIAO, Zhihuang London WC2R 3LA (GB) NELSON, David Alan London WC2R 3LA (GB) MULLIN, Martin Conrad London WC2R 3LA (GB) (74) Representative: D Young & Co LLP  120 Holborn London EC1N 2DY London EC1N 2DY (GB)