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(11)

EP 4 451 964 A1

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(43) Date of publication: 30.10.2024 Bulletin 2024/44 (21) Application number: 22839271.8 (22) Date of filing: 15.12.2022

(51) International Patent Classification (IPC):  A24F 40/42(2020.01) A24F 40/44(2020.01) (52) Cooperative Patent Classification (CPC): A24F 40/42; A24F 40/44; A24F 40/10 (86) International application number: PCT/EP2022/086102 (87) International publication number: WO 2023/117671 (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 EP 21216094 (71) Applicant: Philip Morris Products S.A. 2000 Neuchâtel (CH)	(72) Inventor: TURRINI, Enrico 2000 Neuchâtel (CH) (74) Representative: Abitz & Partner  Postfach 86 01 09 81628 München 81628 München (DE)