(19)

(11)

EP 4 287 851 A1

(12)

(43) Date of publication: 13.12.2023 Bulletin 2023/50 (21) Application number: 22704563.0 (22) Date of filing: 04.02.2022

(51) International Patent Classification (IPC):  A24B 15/16(2020.01) A24F 40/20(2020.01) A24D 1/20(2020.01) (52) Cooperative Patent Classification (CPC): A24B 15/16; A24D 1/20; A24F 40/20; A24B 15/283 (86) International application number: PCT/GB2022/050298 (87) International publication number: WO 2022/167809 (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: 05.02.2021 GB 202101606 (71) Applicant: Nicoventures Trading Limited London WC2R 3LA (GB)	(72) Inventor: BISHOP, David London WC2R 3LA (GB) (74) Representative: Gill, Siân Victoria et al Venner Shipley LLP 200 Aldersgate London EC1A 4HD London EC1A 4HD (GB)