US 12,439,958 B2
Aerosol generating article and aerosol generating system comprising the same
Sun Hwan Jung, Daejeon (KR); Chan Min Kwon, Daejeon (KR); and Tae Kyung Lee, Daejeon (KR)
Assigned to KT&G CORPORATION, Daejeon (KR)
Appl. No. 17/761,406
Filed by KT&G CORPORATION, Daejeon (KR)
PCT Filed Nov. 9, 2021, PCT No. PCT/KR2021/016259
§ 371(c)(1), (2) Date May 19, 2022,
PCT Pub. No. WO2022/103127, PCT Pub. Date May 19, 2022.
Claims priority of application No. 10-2020-0149591 (KR), filed on Nov. 10, 2020.
Prior Publication US 2024/0041099 A1, Feb. 8, 2024
Int. Cl. A24D 1/20 (2020.01); A24D 1/00 (2020.01); A24D 1/04 (2006.01); A24D 3/04 (2006.01); A24D 3/17 (2020.01); A24F 40/10 (2020.01); A24F 40/46 (2020.01)
CPC A24D 1/20 (2020.01) [A24D 1/002 (2013.01); A24D 1/045 (2013.01); A24D 3/04 (2013.01); A24D 3/17 (2020.01); A24F 40/10 (2020.01); A24F 40/46 (2020.01)] 10 Claims
OG exemplary drawing
 
1. An aerosol generating article comprising:
a first segment impregnated with a first liquid composition;
a second segment impregnated with a second liquid composition that is different from the first liquid composition;
a cooling portion configured to allow an aerosol generated in the first segment or the second segment to pass therethrough and cool the aerosol;
a filter portion having two or more hollows through which the aerosol that passed through the cooling portion flows the two or more hollows extending from one end of the cooling portion in a length direction of the aerosol generating article and passing through the filter portion; and
a wrapper at least partially surrounding an outer surface of the filter portion,
wherein the filter portion comprises a first filter portion in which one hollow is formed, a second filter portion that is apart from the first filter portion and in contact with the wrapper and at least partially surrounds the first filter portion and a protrusion that protrudes from the first filter portion in a direction toward the second filter portion, and
wherein, based on the first filter portion and the second filter portion being arranged apart from each other, one or more hollows are formed between the first filter portion and the second filter portion.