# US 12,178,251 B2 · Aerosol generation > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,178,251 B2 - Document ID: US12178251B2 - Status: Granted - Kind: B2 - Application number: 17/593,132 - Filed: 2020-03-09 - Published: 2022-05-12 - Granted: 2024-12-31 - Earliest claimed: 2019-03-11 - Assignees: Nicoventures Trading Limited - Applicants: Nicoventures Trading Limited - Inventors: David Paton - Web page: https://patentgrep.com/patent/US12178251B2 ## CPC - A24F 40/465: specially adapted for induction heating - A24F 40/50: Control or monitoring - A24F 40/20: Devices using solid inhalable precursors - A24F 40/57: Temperature control - A24F: SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES (inhaling appliances for medical purposes, shaped like cigars, cigarettes or pipes A61M15/06) ## Abstract Disclosed herein is an aerosol generating system comprising (i) an aerosol generating article comprising an aerosol generating material, the aerosol generating material comprising nicotine and an aerosol generating agent, and (ii) an aerosol generating device comprising an induction heater; wherein during operation, the article is inserted into the device and an aerosol is generated by using the induction heater to heat the aerosol generating material to at least 150° C.; wherein (i) the mean particle or droplet size in the generated aerosol is less than about 1000 nm in an aerosol generated under an airflow of at least 1.50 L/m during a two-second period, and/or (ii) wherein the aerosol density generated during a two-second period under an airflow of at least 1.50 L/m during the period, is at least 0.1 μg/cc. ## Claims ### Claim 1 An aerosol generating system comprising: (i) an aerosol generating article comprising an aerosol generating material, the aerosol generating material having a nicotine content of between 5 mg/g and 15 mg/g (dry weight basis) and also comprising an aerosol generating agent, and (ii) an aerosol generating device comprising an induction heater, wherein the article is configured to be inserted into the device to generate an aerosol using the induction heater to heat the aerosol generating material to at least 150° C., such that the mean particle or droplet size in the generated aerosol is less than about 1000 nm under an airflow of at least 1.50 L/m during a two-second period. ### Claim 2 An aerosol generating system comprising: (i) an aerosol generating article comprising an aerosol generating material, the aerosol generating material having a nicotine content of between 5 mg/g and 15 mg/g (dry weight basis) and also comprising an aerosol generating agent, and (ii) an aerosol generating device comprising an induction heater, wherein the article is configured to be inserted into the device to generate an aerosol using the induction heater to heat the aerosol generating material to at least 150° C., such that the aerosol density generated during a two-second period under an airflow of at least 1.50 L/m during the period, is at least 0.1 μg/cc. ### Claim 3 (depends on 2) An aerosol generating system according to claim 2, wherein the wherein the mean particle or droplet size in the generated aerosol is less than about 1000 nm. ### Claim 4 (depends on 1) An aerosol generating system according to claim 1, wherein the aerosol generating material is solid and comprises tobacco. ### Claim 5 (depends on 1) An aerosol generating system according to claim 1, wherein the mean particle or droplet size in the generated aerosol is less than about 400 nm. ### Claim 6 (depends on 1) An aerosol generating system according to claim 1, wherein the generated aerosol density is less than about 2.5 μg/cc. ### Claim 7 (depends on 1) An aerosol generating system according to claim 1, wherein the system is configured such that an aerosol is generated by using the induction heater to heat the aerosol generating material to at least 150° C., wherein the mean aerosol density of the aerosol generated during at least 7 two-second periods, under an airflow of at least 1.50 L/m, is at least about 0.6 μg/cc. ### Claim 8 (depends on 1) An aerosol generating system according to claim 1, wherein the system is configured such that, an aerosol is-generated by using the induction heater to heat the aerosol generating material to at least 150° C., wherein the mean aerosol density of the aerosol generated during at least 9 two-second periods, under an airflow of at least 1.50 L/m, is at least about 0.4 μg/cc. ### Claim 9 A method of generating an aerosol from an aerosol generating material having a nicotine content of between 5 mg/g and 15 mg/g (dry weight basis) and also comprising an aerosol generating agent, the method comprising: using an induction heater to heat the aerosol generating material to at least 150° C., wherein the mean particle or droplet size in the generated aerosol is less than about 1000 nm in an aerosol generated under an airflow of at least 1.50 L/m during a two-second period. ### Claim 10 (depends on 9) A method according to claim 9, wherein the mean particle or droplet size in the generated aerosol is less than about 400 nm. ### Claim 11 (depends on 9) A method according to claim 9, wherein the aerosol density generated during the two-period is at least about 0.3 μg/cc. ### Claim 12 (depends on 9) A method according to claim 9, wherein the aerosol density generated during the two-second period is less than about 2.5 μg/cc. ### Claim 13 (depends on 9) A method according to claim 9, wherein aerosol generating material is solid and comprises tobacco. ### Claim 14 (depends on 9) A method according to claim 9, wherein the aerosol generated during the two-second period comprises at least 10 μg of aerosol generating agent. ### Claim 15 (depends on 9) A method according to claim 9, wherein the aerosol generated during the two-second period comprises at least 10 μg of nicotine. ### Claim 16 (depends on 1) An aerosol generation system according to claim 1, wherein the aerosol generating material comprises 200 mg to 400 mg reconstituted tobacco. ### Claim 17 (depends on 1) An aerosol generation system according to claim 1, wherein the aerosol generating material has an aerosol generating agent content of between 130 mg/g and 170 mg/g (dry weight basis), and wherein the aerosol generating agent content comprises glycerol.