US 11,937,632 B2
Cartridge for an aerosol-generating system
Irene Taurino, Lausanne (CH); and Igor Zinovik, Peseux (CH)
Assigned to Philip Morris Products S.A., Neuchatel (CH)
Appl. No. 16/973,826
Filed by PHILIP MORRIS PRODUCTS S.A., Neuchatel (CH)
PCT Filed Jun. 28, 2019, PCT No. PCT/EP2019/067465
§ 371(c)(1), (2) Date Dec. 10, 2020,
PCT Pub. No. WO2020/002671, PCT Pub. Date Jan. 2, 2020.
Claims priority of application No. 18180841 (EP), filed on Jun. 29, 2018.
Prior Publication US 2021/0244091 A1, Aug. 12, 2021
Int. Cl. A24F 40/30 (2020.01); A24F 40/10 (2020.01); A24F 40/42 (2020.01); A24F 40/44 (2020.01); A24F 40/465 (2020.01); A24F 40/48 (2020.01); A61M 11/04 (2006.01)
CPC A24F 40/30 (2020.01) [A24F 40/10 (2020.01); A24F 40/42 (2020.01); A24F 40/44 (2020.01); A24F 40/465 (2020.01); A24F 40/48 (2020.01); A61M 11/042 (2014.02)] 15 Claims
OG exemplary drawing
 
1. A cartridge for use in an aerosol-generating system for the generation of an aerosol comprising nicotine salt particles, the cartridge comprising:
a first compartment containing a nicotine source comprising a first carrier material impregnated with nicotine, the first compartment having a first air inlet and a first air outlet, the first compartment defining a first airflow path extending across a first surface of the first carrier material between the first air inlet and the first air outlet; and
a second compartment containing an acid source comprising a second carrier material impregnated with an acid, the second compartment having a second air inlet and a second air outlet, the second compartment defining a second airflow path extending across a first surface of the second carrier material between the second air inlet and the second air outlet;
wherein the first compartment and the second compartment are arranged in parallel within the cartridge; and
wherein a thickness of at least one of the first carrier material and the second carrier material varies in a direction along the first airflow path or the second airflow path respectively.