(19)
(11) EP 4 371 424 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
14.08.2024 Bulletin 2024/33

(43) Date of publication A2:
22.05.2024 Bulletin 2024/21

(21) Application number: 24168437.2

(22) Date of filing: 25.10.2019
(51) International Patent Classification (IPC): 
A24D 1/20(2020.01)
A24D 3/04(2006.01)
(52) Cooperative Patent Classification (CPC):
A24D 1/20; A24D 3/04
(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: 29.10.2018 GB 201817569

(62) Application number of the earlier application in accordance with Art. 76 EPC:
19798546.8 / 3873269

(71) Applicant: Imperial Tobacco Limited
Bristol, BS3 2LL (GB)

(72) Inventors:
  • LORD, Chris
    BRISTOL, BS3 2LL (GB)
  • FERRIE, Kate
    BRISTOL, BS3 2LL (GB)
  • SHENTON, Edward Ross
    BRISTOL, BS3 2LL (GB)
  • MURRAY, Samantha
    BRISTOL, BS3 2LL (GB)

(74) Representative: Mewburn Ellis LLP 
Aurora Building Counterslip
Bristol BS1 6BX
Bristol BS1 6BX (GB)

   


(54) SMOKING SUBSTITUTE CONSUMABLE


(57) The present disclosure relates to an aerosol-forming article (1) (e.g. a heat-not-burn (HNB) consumable) comprising an aerosol-forming substrate (2) and a plurality of hollow bore filter elements (4, 5) having different internal bore diameters. There may be a terminal filter element at the downstream/mouth end of the article and an upstream filter element upstream of the terminal filter element where the internal bore diameter of the terminal hollow bore filter element is less than the internal bore diameter of the upstream hollow bore filter element.







Search report









Search report