(19)

(11)

EP 4 373 321 A1

(12)

(43) Date of publication: 29.05.2024 Bulletin 2024/22 (21) Application number: 22741323.4 (22) Date of filing: 20.07.2022

(51) International Patent Classification (IPC):  A24F 40/40(2020.01) (52) Cooperative Patent Classification (CPC): A24F 40/40; A24F 40/20; A24F 40/90 (86) International application number: PCT/EP2022/070421 (87) International publication number: WO 2023/001926 (26.01.2023 Gazette 2023/04)

(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: 21.07.2021 EP 21187008 (71) Applicant: Philip Morris Products S.A. 2000 Neuchâtel (CH)	(72) Inventors: CATTONI, Michele Andrea 1007 Lausanne (CH) OLIANA, Valerio 1007 Lausanne (CH) TINGSTRÖM, Torsten Richard Mathias 1007 Lausanne (CH) VALDEZ ROJAS, Ezequiel Martin 1007 Lausanne (CH) (74) Representative: Dowling, Ian  Reddie & Grose LLP The White Chapel Building 10 Whitechapel High Street London E1 8QS London E1 8QS (GB)