US 12,453,366 B2
Ultra-low nicotine smoking article
Han Saem Kim, Daejeon (KR); Jae Woo Park, Daejeon (KR); Yeon Seok Jung, Daejeon (KR); and Young Jin Choi, Daejeon (KR)
Assigned to KT&G CORPORATION, Daejeon (KR)
Filed by KT&G CORPORATION, Daejeon (KR)
Filed on Jul. 18, 2023, as Appl. No. 18/354,290.
Application 18/354,290 is a continuation of application No. PCT/KR2023/001225, filed on Jan. 27, 2023.
Claims priority of application No. 10-2022-0183152 (KR), filed on Dec. 23, 2022.
Prior Publication US 2024/0206524 A1, Jun. 27, 2024
Int. Cl. A24B 15/24 (2006.01); A24D 3/04 (2006.01)
CPC A24B 15/243 (2013.01) [A24D 3/043 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An ultra-low nicotine smoking article consisting of a medium part and a filter part,
wherein the medium part is a tobacco medium consisting of 50% by weight (wt %) to 60 wt % of flue-cured tobacco, 20 wt % to 30 wt % of dry ice expanded tobacco, and 10 wt % to 30 wt % of expanded stems based on the total weight,
wherein the tobacco medium is obtained from Nicotiana tabacum L.,
wherein the tobacco medium is a blend of leaf tobacco having a total nitrogen content of 0.05% to 1%, and
wherein the tobacco medium has a nicotine content of 0.01% to 0.05%.