US 12,302,942 B2
Aerosol generating articles comprising organic acids
Chan Min Kwon, Daejeon (KR); Tae Kyung Lee, Daejeon (KR); and Sun Hwan Jung, Daejeon (KR)
Assigned to KT&G CORPORATION, Daejeon (KR)
Appl. No. 17/597,440
Filed by KT&G CORPORATION, Daejeon (KR)
PCT Filed Sep. 9, 2021, PCT No. PCT/KR2021/012291
§ 371(c)(1), (2) Date Jan. 6, 2022,
PCT Pub. No. WO2022/085942, PCT Pub. Date Apr. 28, 2022.
Claims priority of application No. 10-2020-0135519 (KR), filed on Oct. 19, 2020.
Prior Publication US 2023/0263211 A1, Aug. 24, 2023
Int. Cl. A24D 1/20 (2020.01); A24B 15/167 (2020.01); A24B 15/28 (2006.01); A24B 15/32 (2006.01); A24B 15/38 (2006.01); A24D 1/00 (2020.01); A24D 1/02 (2006.01); A24D 1/04 (2006.01); A24F 40/20 (2020.01); A24F 40/465 (2020.01)
CPC A24D 1/20 (2020.01) [A24B 15/167 (2016.11); A24B 15/283 (2013.01); A24B 15/32 (2013.01); A24B 15/385 (2013.01); A24D 1/002 (2013.01); A24D 1/02 (2013.01); A24D 1/045 (2013.01); A24F 40/20 (2020.01); A24F 40/465 (2020.01)] 12 Claims
OG exemplary drawing
 
1. An aerosol generating article comprising:
a first portion including an organic acid;
a second portion including a nicotine freebase;
a third portion including a cooling material; and
a fourth portion including a filter material, wherein a nicotine salt is generated through an acid-base reaction of the organic acid of the first portion and the nicotine freebase of the second portion that are vaporized by heating,
wherein the third portion includes an acid-base reaction space, and
wherein the acid-base reaction space is a space in which a cavity is included in at least part of the third portion in a longitudinal direction thereof, the cavity being a spherical space having a radius greater than a hollow of the third portion.