(19)

(11)

EP 4 250 965 A1

(12)

(43) Date of publication: 04.10.2023 Bulletin 2023/40 (21) Application number: 21801578.2 (22) Date of filing: 11.11.2021

(51) International Patent Classification (IPC):  A24B 15/16(2020.01) A24D 1/02(2006.01) A24D 3/04(2006.01) A24B 15/30(2006.01) A24D 1/20(2020.01) A24D 3/06(2006.01) (52) Cooperative Patent Classification (CPC): A24B 15/16; A24B 15/30; A24D 3/048; A24D 3/061; A24D 1/20; A24D 1/02 (86) International application number: PCT/EP2021/081361 (87) International publication number: WO 2022/112013 (02.06.2022 Gazette 2022/22)

(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: 30.11.2020 EP 20210779 (71) Applicant: Philip Morris Products S.A. 2000 Neuchâtel (CH)	(72) Inventors: ARAMENDY, Flavie 2000 Neuchâtel (CH) CALI, Ricardo 68163 Mannheim (DE) SALVADOR, Thomas Philipp 68163 Mannheim (DE) (74) Representative: Millburn, Julie Elizabeth  Reddie & Grose LLP The White Chapel Building 10 Whitechapel High Street London E1 8QS London E1 8QS (GB)