(19)

(11)

EP 4 770 475 A1

(12)

(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 23792864.3 (22) Date of filing: 01.09.2023

(51) International Patent Classification (IPC):  A24F 40/51(2020.01) A24F 40/53(2020.01) (52) Cooperative Patent Classification (CPC): A24F 40/51; A24F 40/53; A24F 40/20 (86) International application number: PCT/CN2023/116459 (87) International publication number: WO 2025/043699 (06.03.2025 Gazette 2025/10)

(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 (71) Applicant: Philip Morris Products S.A. 2000 Neuchâtel (CH)	(72) Inventor: PAGANO, Gianluca Shenzhen, Guangdong 518026 (CN) (74) Representative: HGF  HGF Limited 4th Floor, 1 City Square Leeds LS1 2ES Leeds LS1 2ES (GB)