(19)
(11) EP 4 427 604 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
20.11.2024 Bulletin 2024/47

(43) Date of publication A2:
11.09.2024 Bulletin 2024/37

(21) Application number: 24183358.1

(22) Date of filing: 07.10.2021
(51) International Patent Classification (IPC): 
A24B 15/16(2020.01)
A24D 1/20(2020.01)
 A24B 15/30(2006.01)
(52) Cooperative Patent Classification (CPC):
A24B 15/16; A24B 15/30; A24D 1/20; A24C 5/01
(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

(30) Priority: 07.10.2020 EP 20200643

(62) Application number of the earlier application in accordance with Art. 76 EPC:
21782770.8 / 4225055

(71) Applicant: Philip Morris Products S.A.
2000 Neuchâtel (CH)

(72) Inventors:
  • GAMBS, Celine
    2000 Neuchâtel (CH)
  • VOLLMER, Jean-Yves
    2000 Neuchâtel (CH)

(74) Representative: Reddie & Grose LLP 
The White Chapel Building 10 Whitechapel High Street
London E1 8QS
London E1 8QS (GB)

   


(54) AN AEROSOL-FORMING SUBSTRATE


(57) An aerosol-forming substrate (1020) for use in an aerosol-generating system (2000). The aerosol-forming substrate (1020) comprises: one or more aerosol formers; hydroxypropylmethyl cellulose; one or more cellulose based strengthening agents; and carboxymethyl cellulose. The aerosol-forming substrate (1020) has an aerosol former content of greater than 30 percent by weight.







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