(19)

(11)

EP 4 138 593 A1

(12)

(43) Date of publication: 01.03.2023 Bulletin 2023/09 (21) Application number: 21719738.3 (22) Date of filing: 19.04.2021

(51) International Patent Classification (IPC):  A24F 40/85(2020.01) (52) Cooperative Patent Classification (CPC): A24F 40/85; A24F 40/20 (86) International application number: PCT/IB2021/053218 (87) International publication number: WO 2021/214635 (28.10.2021 Gazette 2021/43)

(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: 21.04.2020 EP 20386018 (71) Applicant: Philip Morris Products, S.A. 2000 Neuchâtel (CH)	(72) Inventors: BOLOGNA, Matteo 1007 Lausanne (CH) KONANDREAS, Stefanos 1007 Lausanne (CH) (74) Representative: Siepmann, Felix et al Abitz & Partner Patentanwälte mbB Arabellastraße 17 81925 München 81925 München (DE)