(19)

(11)

EP 4 451 927 A2

(12)

(88) Date of publication A3: 03.08.2023 (43) Date of publication: 30.10.2024 Bulletin 2024/44 (21) Application number: 22838921.9 (22) Date of filing: 20.12.2022

(51) International Patent Classification (IPC):  A24B 13/02(2006.01) A24B 15/12(2006.01) A24B 3/14(2006.01) (52) Cooperative Patent Classification (CPC): A24B 13/02; A24B 15/12; A24D 1/20 (86) International application number: PCT/GB2022/053306 (87) International publication number: WO 2023/118840 (29.06.2023 Gazette 2023/26)

(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: 20.12.2021 GB 202118525 (71) Applicant: Nicoventures Trading Limited London WC2R 3LA (GB)	(72) Inventor: DIMMICK, Barry London WC2R 3LA (GB) (74) Representative: Newcombe, Christopher David et al Venner Shipley LLP 200 Aldersgate London EC1A 4HD London EC1A 4HD (GB)