(19)

(11)

EP 3 975 773 A1

(12)

(43) Date of publication: 06.04.2022 Bulletin 2022/14 (21) Application number: 20727636.1 (22) Date of filing: 22.05.2020

(51) International Patent Classification (IPC):  A24F 47/00(2020.01) A24F 40/30(2020.01) A24D 1/00(2020.01) A24F 40/42(2020.01) (52) Cooperative Patent Classification (CPC): A24F 40/30; A24F 40/42; A24F 40/10; A24F 40/48 (86) International application number: PCT/EP2020/064322 (87) International publication number: WO 2020/239638 (03.12.2020 Gazette 2020/49)

(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: 24.05.2019 EP 19176392 24.05.2019 EP 19176394 (71) Applicant: NERUDIA LIMITED Liverpool Merseyside L24 9HP (GB)	(72) Inventor: COOK, Alan Liverpool Merseyside L24 9HP (GB) (74) Representative: Mewburn Ellis LLP  Aurora Building Counterslip Bristol BS1 6BX Bristol BS1 6BX (GB)