(19)

(11)

EP 4 048 097 A1

(12)

(43) Date of publication: 31.08.2022 Bulletin 2022/35 (21) Application number: 20793387.0 (22) Date of filing: 23.10.2020

(51) International Patent Classification (IPC):  A24B 15/167(2020.01) A24F 40/10(2020.01) A24B 15/24(2006.01) (52) Cooperative Patent Classification (CPC): A24B 15/167; A24B 15/24; A24F 40/10 (86) International application number: PCT/EP2020/079969 (87) International publication number: WO 2021/078985 (29.04.2021 Gazette 2021/17)

(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: 24.10.2019 EP 19205019 (71) Applicant: NERUDIA LIMITED Liverpool Merseyside L24 9HP (GB)	(72) Inventor: JONES, Stephen Liverpool Merseyside L24 9HP (GB) (74) Representative: Mewburn Ellis LLP  Aurora Building Counterslip Bristol BS1 6BX Bristol BS1 6BX (GB)