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(11)

EP 4 507 530 A1

(12)

(43) Date of publication: 19.02.2025 Bulletin 2025/08 (21) Application number: 23718276.1 (22) Date of filing: 12.04.2023

(51) International Patent Classification (IPC):  A24D 1/20(2020.01) A24D 1/02(2006.01) (52) Cooperative Patent Classification (CPC): A24D 1/20; A24F 40/465; A24F 40/20 (86) International application number: PCT/EP2023/059567 (87) International publication number: WO 2023/198781 (19.10.2023 Gazette 2023/42)

(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: 12.04.2022 EP 22168014 12.04.2022 EP 22168017 12.04.2022 EP 22168022 12.04.2022 EP 22168019 12.04.2022 EP 22168025 12.04.2022 EP 22168021 27.10.2022 EP 22204268 (71) Applicant: Philip Morris Products S.A. 2000 Neuchâtel (CH)

(72) Inventors: HUANG, Houxue 2000 Neuchâtel (CH) ZUBER, Gérard 2000 Neuchâtel (CH) (74) Representative: Reddie & Grose LLP  The White Chapel Building 10 Whitechapel High Street London E1 8QS London E1 8QS (GB)