(19)

(11)

EP 3 902 416 A1

(12)

(43) Date of publication: 03.11.2021 Bulletin 2021/44 (21) Application number: 19829151.0 (22) Date of filing: 18.12.2019

(51) International Patent Classification (IPC):  A24B 15/167(2020.01) A24F 40/20(2020.01) A24B 15/16(2020.01) A24F 40/10(2020.01) (52) Cooperative Patent Classification (CPC): A24B 15/165; A24F 40/48; A24F 40/20; A24B 15/167; A24F 40/10 (86) International application number: PCT/EP2019/086110 (87) International publication number: WO 2020/136062 (02.07.2020 Gazette 2020/27)

(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: 28.12.2018 EP 18248224 (71) Applicant: Philip Morris Products S.A. 2000 Neuchâtel (CH)	(72) Inventor: TAURINO, Irene 2000 Neuchâtel (CH) (74) Representative: Whitfield, Ian  Reddie & Grose LLP The White Chapel Building 10 Whitechapel High Street London E1 8QS London E1 8QS (GB)