(19)

(11)

EP 4 503 965 A1

(12)

(43) Date of publication: 12.02.2025 Bulletin 2025/07 (21) Application number: 23717221.8 (22) Date of filing: 31.03.2023

(51) International Patent Classification (IPC):  A24B 15/18(2006.01) (52) Cooperative Patent Classification (CPC): A24B 15/16; A24B 15/303; A24B 15/167; A24B 15/403 (86) International application number: PCT/GB2023/050853 (87) International publication number: WO 2023/187403 (05.10.2023 Gazette 2023/40)

(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: KH MA MD TN (30) Priority: 01.04.2022 GB 202204811 (71) Applicant: Nicoventures Trading Limited London WC2R 3LA (GB)	(72) Inventors: MARTIN, Stuart London WC2R 3LA (GB) DIMMICK, Barry London WC2R 3LA (GB) (74) Representative: Gill, Siân Victoria et al Venner Shipley LLP 200 Aldersgate London EC1A 4HD London EC1A 4HD (GB)