IP Library › Granted Patent US 12,402,653
Granted Patent B2
US 12,402,653 · App. 15/711,261 · Granted Sep 2, 2025

Aerosol-generating article with liquid aerosol-forming substrate, an aerosol-generating system, and a method of using an aerosol-generating article

Inventor: Michel Thorens (Moudon, CH)
Assignee: Altria Client Services LLC
A24F40/42A24D1/20A24F40/00A24F40/30A24F40/40A61M11/003A61M11/042A61M15/003A61M15/06H05B6/108A24D1/02A24D3/17A24F40/10A24F40/20A61M15/0003A61M15/0021A61M15/0035A61M15/0066A61M2205/0211A61M2205/3606A61M2205/3646A61M2205/368A61M2205/7545A61M2205/8206B05B7/2402
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Quick Facts
Patent No.
US 12,402,653
App. No.
15/711,261
Granted
Sep 2, 2025
Kind
B2
Abstract

The aerosol-generating article is has 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 liquid aerosol-forming substrate contained within a frangible capsule, the frangible capsule being located between the distal end and the mid-point. At least a portion of a liquid retention medium is located between the distal end and the mid-point. The article is configured such that, during use, air is capable of being drawn through the article from the distal end to the outlet end.

Claims (26)

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 located an equal distance between the outlet end and the distal end, the aerosol-generating article comprising:

a liquid aerosol-forming substrate in a frangible capsule, the frangible capsule being located between the distal end and the middle, the frangible capsule being configured to rupture by an application of an external force; and

a liquid retention medium configured to absorb the liquid aerosol-forming substrate once the frangible capsule is ruptured, at least a portion of the liquid retention medium being between the distal end and the middle, the frangible capsule being within the liquid retention medium,

the aerosol-generating article being configured to receive a heating element, the heating element being spaced apart from the liquid retention medium along the aerosol-generating article in a first direction when the heating element is received by the aerosol-generating article and the aerosol-generating article is in operational use, the first direction being parallel to a first longitudinal length of the aerosol-generating article, the aerosol-generating article being configured such that, during the operational use, air is drawn through the aerosol-generating article from the distal end to the outlet end if negative pressure is applied on the outlet end, a second longitudinal length of the heating element being collinear with at least part of the first longitudinal length of the aerosol-generating article when the heating element is received by the aerosol-generating article and the aerosol-generating article is in operational use.

2. 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 aerosol-forming substrate and the liquid retention medium being in a first element of the plurality of elements.

3. The aerosol-generating article of claim 2 , further comprising:

a cooling section located downstream from the first element, the cooling section being in a second element of the plurality of elements.

4. The aerosol-generating article of claim 2 , further comprising:

a porous plug at the distal end of the aerosol-generating article, the porous plug being in a third element of the plurality of elements.

5. The aerosol-generating article of claim 1 , wherein the liquid retention medium is in the form of a tube having a lumen, and the frangible capsule is located within the lumen of the tube.

6. The aerosol-generating article of claim 1 , wherein the liquid retention medium includes an absorbent polymeric material.

7. The aerosol-generating article of claim 1 , wherein the frangible capsule is configured to be pierced by a piercing element.

8. The aerosol-generating article of claim 1 , wherein the liquid aerosol-forming substrate includes between 10 weight percent and 25 weight percent water, an aerosol former, and at least one flavorant.

9. The aerosol-generating article of claim 1 , further comprising:

a mouthpiece filter at the outlet end of the aerosol-generating article.

10. The aerosol-generating article of claim 1 , wherein the liquid retention medium extends to the distal end.

11. 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 located an equal distance between the outlet end and the distal end, the aerosol-generating article including,

a liquid aerosol-forming substrate in a frangible capsule, the frangible capsule being located between the distal end and the middle, the frangible capsule being configured to rupture by an application of an external force; and

a liquid retention medium configured to absorb the liquid aerosol-forming substrate once the frangible capsule is ruptured, at least a portion of the liquid retention medium being between the distal end and the middle, the frangible capsule being within the liquid retention medium; and

an electrically-operated aerosol-generating device, the electrically-operated aerosol-generating device including a heating structure for heating the liquid aerosol-forming substrate to form an aerosol, and

the aerosol-generating article being configured to receive the heating structure, the heating structure being spaced apart from the liquid retention medium along the aerosol-generating article in a first direction when the heating structure is received by the aerosol-generating article and the aerosol-generating article is in operational use, the first direction being parallel to a first longitudinal length of the aerosol-generating article, the aerosol-generating article being configured such that, during the operational use, air is drawn through the aerosol-generating article from the distal end to the outlet end if negative pressure is applied on the outlet end, a second longitudinal length of the heating structure being collinear with at least part of the first longitudinal length of the aerosol-generating article when the heating structure is received by the aerosol-generating article and the aerosol-generating article is in operational use.

12. The aerosol-generating system of claim 11 , further comprising:

a piercing element for piercing the frangible capsule.

13. The aerosol-generating system of claim 11 , wherein the liquid retention medium extends to the distal end.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 23, 2018
From: PHILIP MORRIS PRODUCTS S.A.
To: ALTRIA CLIENT SERVICES LLC
Reel/Frame 045885/0946 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 30, 2018
From: THORENS, MICHEL
To: PHILIP MORRIS PRODUCTS S.A.
Reel/Frame 045398/0132 →
Priority Claims (4)
EP 16172262 · May 31, 2016 · regional
EP 16172263 · May 31, 2016 · regional
EP 16172265 · May 31, 2016 · regional
EP 16172287 · May 31, 2016 · regional
Continuity (2)
Continuation PCTEP2017063061 · May 30, 2017
Related Publication 20180007973A1 · Jan 11, 2018
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