(19)

(11)

EP 4 287 869 A1

(12)

(43) Date of publication: 13.12.2023 Bulletin 2023/50 (21) Application number: 22703365.1 (22) Date of filing: 02.02.2022

(51) International Patent Classification (IPC):  A24F 40/40(2020.01) (52) Cooperative Patent Classification (CPC): A24F 40/40; A24F 40/20 (86) International application number: PCT/EP2022/052464 (87) International publication number: WO 2022/167475 (11.08.2022 Gazette 2022/32)

(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: 03.02.2021 GB 202101470 (71) Applicant: Nicoventures Trading Limited London WC2R 3LA (GB)	(72) Inventors: CAMPBELL, Jeremy London WC2R 3LA (GB) WRIGHT, Matthew Cambridge Cambridgeshire CB1 1HZ (GB) WALTON, Daniel Anthony Cambridge Cambridgeshire CB1 1HZ (GB) (74) Representative: Dehns  St. Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)