# US 10,499,690 B2 · Consumable aerosol-generating article with liquid aerosol-forming substrate, and an aerosol-generating system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,499,690 B2 - Document ID: US10499690B2 - Status: Granted - Kind: B2 - Application number: 15/711,347 - Filed: 2017-09-21 - Published: 2018-01-11 - Granted: 2019-12-10 - Earliest claimed: 2016-05-31 - Assignees: Altria Client Services LLC - Applicants: Altria Client Services LLC - Inventors: Michel Thorens - Web page: https://patentgrep.com/patent/US10499690B2 ## CPC - A24F 40/42: Cartridges or containers for inhalable precursors - A24D 1/20: Cigarettes specially adapted for simulated smoking devices - A24F 40/00: Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor - A24F 40/30: Devices using two or more structurally separated inhalable precursors, e.g. using two liquid precursors in two cartridges - A24F 40/40: Constructional details, e.g. connection of cartridges and battery parts - A61M 11/003: {by passing the aerosol trough sieves or filters} - A61M 11/042: {electrical} - A61M 15/003: {using capsules, e.g. to be perforated or broken-up} - A61M 15/06: Inhaling appliances shaped like cigars, cigarettes or pipes - H05B 6/108: {for heating a fluid} - A24D 1/02: with special covers - A24D 3/17: Filters specially adapted for simulated smoking devices - A24F 40/10: Devices using liquid inhalable precursors - A24F 40/20: Devices using solid inhalable precursors - A61M 15/0003: {with means for dispensing more than one drug} - A61M 15/0021: {Mouthpieces therefor} - A61M 15/0035: {Piercing means} - A61M 15/0066: {with means for varying the dose size} - A61M 2205/0211: Ceramics - A61M 2205/3606: cooled - A61M 2205/3646: by heat accumulators, e.g. ice, sand - A61M 2205/368: by electromagnetic radiation, e.g. IR waves - A61M 2205/7545: for solid matter, e.g. microaggregates - A61M 2205/8206: battery-operated - B05B 7/2402: {Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device (B05B7/0012 takes precedence)} - A24F: SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES (inhaling appliances for medical purposes, shaped like cigars, cigarettes or pipes A61M15/06) - A24D: CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES - A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)} - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL - B05B: SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES (spray-mixers with nozzles B01F25/72; processes for applying liquids or other fluent materials to surfaces by spraying B05D) ## Abstract The aerosol-generating article is capable of being used with an electrically-operated aerosol-generating device. The aerosol-generating article is a consumable article having an outlet end, a distal end upstream from the outlet end, and a mid-point located an equal distance between the outlet end and the distal end. The article includes a first volatile liquid substrate contained within a first frangible capsule, the frangible capsule being located between the distal end and the mid-point, and a second volatile liquid substrate contained within a second frangible capsule, the second frangible capsule being located between the distal end and the mid-point. The article also includes a liquid retention medium, at least a portion the liquid retention medium being located between the distal end and the mid-point, wherein the article is configured to allow air to be drawn through the article from the distal end to the outlet end. ## Claims ### Claim 1 An aerosol-generating article for use with an electrically-operated aerosol-generating device, the aerosol-generating article being a consumable article, the aerosol-generating article having an outlet end and a distal end upstream from the outlet end, a middle of the aerosol-generating article being an equal distance between the outlet end and the distal end, the article comprising; a first volatile liquid substrate in a first frangible capsule, the frangible capsule being between the distal end and the middle; a second volatile liquid substrate in a second frangible capsule, the second frangible capsule being between the distal end and the middle; and a liquid retention medium, at least a portion the liquid retention medium being between the distal end and the middle, wherein the article is configured such that air is drawn through the article from the distal end to the outlet end if a negative pressure is applied to the outlet end. ### Claim 2 (depends on 1) The aerosol-generating article of claim 1, wherein the article includes, a liquid aerosol-forming substrate, the first volatile liquid substrate including a first constituent of the liquid aerosol-forming substrate, and the second volatile liquid substrate including a second constituent of the liquid aerosol-forming substrate. ### Claim 3 (depends on 2) The aerosol-generating article of claim 2, wherein the liquid aerosol-forming substrate includes between 10 weight percent and 25 weight percent water, an aerosol former, and at least one flavorant. ### Claim 4 (depends on 1) The aerosol-generating article of claim 1, wherein the first volatile liquid substrate includes a first liquid aerosol-forming substrate, and the second volatile liquid substrate includes a second liquid aerosol-forming substrate. ### Claim 5 (depends on 1) The aerosol-generating article of claim 1, wherein, the first volatile liquid substrate is releasably contained within the first frangible capsule, and the second volatile liquid substrate is releasably contained within the second frangible capsule, and the liquid retention medium is located near the first and second frangible capsules, the liquid retention medium being configured to retain the first and second volatile liquid substrates within the article after the first and second volatile liquid substrates are released from the respective first and second frangible capsules. ### Claim 6 (depends on 1) The aerosol-generating article of claim 1, further comprising: a plurality of elements assembled by a wrapper in the form of a rod, the liquid retention medium being in a first element of the plurality of elements. ### Claim 7 (depends on 1) The aerosol-generating article of claim 1, wherein the first and second frangible capsules are in the liquid retention medium. ### Claim 8 (depends on 1) The aerosol-generating article of claim 1, wherein the liquid retention medium is a tube having a lumen, and the first and second frangible capsules are located within the lumen of the tube. ### Claim 9 (depends on 8) The aerosol-generating of claim 8, wherein the first and second frangible capsules are coaxially aligned in the lumen of the tube. ### Claim 10 (depends on 1) The aerosol-generating article of claim 1, wherein the liquid retention medium includes an absorbent polymeric material. ### Claim 11 (depends on 1) The aerosol-generating article of claim 1, wherein at least one of the first and second frangible capsules is configured to rupture by an application of an external force. ### Claim 12 (depends on 1) The aerosol-generating article of claim 1, wherein at least one of the first and second frangible capsules is configured to be pierced by a piercing element. ### Claim 13 (depends on 6) The aerosol-generating article of claim 6, further comprising: a cooler located downstream from the liquid retention medium, the cooler being a second element of the plurality of elements. ### Claim 14 (depends on 6) The aerosol-generating article of claim 6, further comprising: a mouthpiece filter located at the outlet end of the article, the mouthpiece filter being a third element of the plurality of elements. ### Claim 15 (depends on 1) The aerosol-generating article of claim 1, further comprising: a porous plug located at the distal end of the article. ### Claim 16 An aerosol-generating system, comprising: an aerosol-generating article, the aerosol-generating article being a consumable article, the aerosol-generating article having an outlet end and a distal end upstream from the outlet end, a middle of the aerosol-generating article being an equal distance between the outlet end and the distal end, the article including, a first volatile liquid substrate in a first frangible capsule, the frangible capsule being between the distal end and the middle, a second volatile liquid substrate in a second frangible capsule, the second frangible capsule being between the distal end and the middle; and a liquid retention medium, at least a portion the liquid retention medium being between the distal end and the middle, wherein the article is configured such that air is drawn through the article from the distal end to the outlet end if a negative pressure is applied to the outlet end; and an electrically-operated aerosol-generating device, the electrically-operated aerosol-generating device including a heating element for heating at least one of the first volatile liquid substrate and the second volatile liquid substrate retained in the liquid retention medium to form an aerosol. ### Claim 17 (depends on 16) The aerosol-generating system of claim 16, further comprising: a piercing element for piercing at least one of the first and second frangible capsules.