(19)

(11)

EP 4 358 746 A1

(12)

(43) Date of publication: 01.05.2024 Bulletin 2024/18 (21) Application number: 22733447.1 (22) Date of filing: 16.06.2022

(51) International Patent Classification (IPC):  A24B 3/14(2006.01) A24D 1/20(2020.01) A24B 15/12(2006.01) A24B 15/28(2006.01) (52) Cooperative Patent Classification (CPC): A24B 3/14; A24B 15/12; A24D 1/20; A24B 15/281 (86) International application number: PCT/EP2022/066522 (87) International publication number: WO 2022/268652 (29.12.2022 Gazette 2022/52)

(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: 22.06.2021 EP 21180941 (71) Applicant: Imperial Tobacco Limited Bristol, BS3 2LL (GB)	(72) Inventor: FALK, Marco Liverpool Merseyside L24 9HP (GB) (74) Representative: Mewburn Ellis LLP  Aurora Building Counterslip Bristol BS1 6BX Bristol BS1 6BX (GB)