(19)

(11)

EP 4 408 220 A1

(12)

(43) Date of publication: 07.08.2024 Bulletin 2024/32 (21) Application number: 22783306.8 (22) Date of filing: 09.09.2022

(51) International Patent Classification (IPC):  A24F 40/485(2020.01) (52) Cooperative Patent Classification (CPC): A24F 40/485; A24F 40/40; A24F 40/10 (86) International application number: PCT/EP2022/075188 (87) International publication number: WO 2023/052093 (06.04.2023 Gazette 2023/14)

(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: 28.09.2021 EP 21199549 (71) Applicant: Imperial Tobacco Limited Bristol, BS3 2LL (GB)	(72) Inventor: PILKINGTON, Matthew Liverpool Merseyside L24 9HP (GB) (74) Representative: Mewburn Ellis LLP  Aurora Building Counterslip Bristol BS1 6BX Bristol BS1 6BX (GB)