US 11,744,277 B2
Nicotine liquid formulations for aerosol devices and methods thereof
Adam Bowen, San Francisco, CA (US); and Chenyue Xing, San Francisco, CA (US)
Assigned to JUUL Labs, Inc., San Francisco, CA (US)
Filed by JUUL Labs, Inc., San Francisco, CA (US)
Filed on Nov. 23, 2022, as Appl. No. 17/993,459.
Application 17/993,459 is a continuation of application No. 16/585,382, filed on Sep. 27, 2019, granted, now 11,510,433, issued on Nov. 29, 2022.
Application 16/585,382 is a continuation of application No. 15/101,303, granted, now 10,463,069, issued on Nov. 5, 2019, previously published as PCT/US2014/064690, filed on Nov. 7, 2014.
Claims priority of provisional application 61/912,507, filed on Dec. 5, 2013.
Prior Publication US 2023/0157347 A1, May 25, 2023
Int. Cl. A24B 15/16 (2020.01); A24B 15/167 (2020.01); A24B 15/30 (2006.01); A24B 15/32 (2006.01); A24F 40/10 (2020.01)
CPC A24B 15/16 (2013.01) [A24B 15/167 (2016.11); A24B 15/301 (2013.01); A24B 15/32 (2013.01); A24F 40/10 (2020.01)] 25 Claims
OG exemplary drawing
 
1. A method of generating an inhalable aerosol comprising nicotine for delivery to a user using an electronic vaporization device comprising a nicotine salt liquid formulation and a heater, the method comprising:
(i) providing an amount of the nicotine salt liquid formulation to the heater, wherein
(a) the nicotine salt liquid formulation comprises at least one nicotine salt in a biologically acceptable liquid carrier;
(b) the at least one nicotine salt comprises a salt of nicotine and lactic acid;
(c) the nicotine salt liquid formulation has a nicotine salt concentration of 0.5% (w/w) to 20% (w/w); and
(d) the nicotine salt liquid formulation has a molar ratio of lactic acid to nicotine from 0.7:1 to 1.6:1, and
(ii) forming an aerosol by heating the amount of the nicotine salt liquid formulation.