(19)

(11)

EP 4 536 876 A2

(12)

(88) Date of publication A3: 20.06.2024 (43) Date of publication: 16.04.2025 Bulletin 2025/16 (21) Application number: 23734017.9 (22) Date of filing: 13.06.2023

(51) International Patent Classification (IPC):  D01C 1/04(2006.01) D06M 15/11(2006.01) D06M 13/224(2006.01) (52) Cooperative Patent Classification (CPC): D06M 15/11; D06M 13/224; D01C 1/04 (86) International application number: PCT/GB2023/051537 (87) International publication number: WO 2023/242556 (21.12.2023 Gazette 2023/51)

(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: 13.06.2022 GB 202208594 (71) Applicant: Redgrave, Jessica London Greater London N8 8PS (GB)	(72) Inventor: Redgrave, Jessica London Greater London N8 8PS (GB) (74) Representative: ip21 Ltd  Central Formalities Department Suite 2 The Old Dairy Elm Farm Business Park Wymondham Norwich, Norfolk NR18 0SW Norwich, Norfolk NR18 0SW (GB)