(19)

(11)

EP 4 451 928 A1

(12)

(43) Date of publication: 30.10.2024 Bulletin 2024/44 (21) Application number: 22843230.8 (22) Date of filing: 20.12.2022

(51) International Patent Classification (IPC):  A24B 15/14(2006.01) A24B 15/167(2020.01) A24B 15/16(2020.01) A24B 15/30(2006.01) (52) Cooperative Patent Classification (CPC): A24B 15/165; A24B 15/167; A24B 15/14; A24B 15/30 (86) International application number: PCT/EP2022/087091 (87) International publication number: WO 2023/118211 (29.06.2023 Gazette 2023/26)

(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: 20.12.2021 US 202163291611 P (71) Applicant: British American Tobacco (Investments) Limited London WC2R 3LA (GB)	(72) Inventors: MONSALUD, Luis Winston Salem, North Carolina 27101 (US) MUA, John-Paul Winston Salem, North Carolina 27101 (US) (74) Representative: Dehns  St. Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)