IP Library › Granted Patent US 12,396,478
Granted Patent B2
US 12,396,478 · App. 18/668,760 · Granted Aug 26, 2025

Aerosol-forming article comprising magnetic particles

Inventor: Oleg Mironov (Neuchatel, CH)
Assignee: Philip Morris Products S.A.
A24D1/20A24F40/46A24F40/465A24F40/50H05B6/06H05B6/106H05B6/108A24F40/20H05B2206/023
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Quick Facts
Patent No.
US 12,396,478
App. No.
18/668,760
Granted
Aug 26, 2025
Kind
B2
Abstract

An aerosol-forming article for an electrically heatable aerosol-generating device is provided, the aerosol-forming article including: a mouthpiece; an aerosol-forming substrate disposed in coaxial alignment with the mouthpiece; a plurality of magnetic particles; and an outer wrapper, in which a plurality of magnetic particles are provided in the outer wrapper; or a filter, in which a plurality of magnetic particles are provided in the filter.

Claims (19)

1. An aerosol-forming article for an electrically heatable aerosol-generating device, the aerosol-forming article comprising:

a mouthpiece;

an aerosol-forming substrate disposed in coaxial alignment with the mouthpiece;

a plurality of magnetic particles comprising a magnetic material having a Curie temperature of between 60 degrees Celsius and 200 degrees Celsius; and

an outer wrapper, wherein the plurality of magnetic particles are provided in the outer wrapper, wherein the outer wrapper circumscribes at least the mouthpiece and the aerosol-forming substrate; or

a filter, wherein the plurality of magnetic particles are provided in the filter, wherein the filter is disposed between the mouthpiece and the aerosol-forming substrate.

2. The aerosol-forming article according to claim 1 , wherein the magnetic particles are substantially homogeneously distributed throughout the outer wrapper or the filter.

3. The aerosol-forming article according to claim 1 , wherein the plurality of magnetic particles are present in an amount of between 1 percent and 30 percent by weight of the outer wrapper or the filter.

4. The aerosol-forming article according to claim 1 , wherein the plurality of magnetic particles are present in an amount between about 1 percent and about 5 percent by weight of the outer wrapper or the filter.

5. The aerosol-forming article according to claim 1 , wherein a number average diameter of the magnetic particles is between 25 micrometres and 75 micrometres.

6. The aerosol-forming article according to claim 1 , wherein the plurality of magnetic particles comprise a magnetic material having a Curie temperature of at least about 70 degrees Celsius.

7. The aerosol-forming article according to claim 1 , wherein the plurality of magnetic particles comprise a magnetic material having a Curie temperature of less than about 140 degrees Celsius.

8. The aerosol-forming article according to claim 1 , wherein the plurality of magnetic particles comprises ferrite, a ferrous alloy, or a nickel alloy material.

9. The aerosol-forming article according to claim 1 , wherein the aerosol-forming article is between about 30 mm and about 120 mm in length.

10. The aerosol-forming article according to claim 1 , wherein the aerosol-forming article is between about 4 mm and about 15 mm in diameter.

11. A plurality of aerosol-forming articles for an electrically heatable aerosol-generating device, each aerosol-generating article of the plurality of aerosol-forming articles being according to claim 1 .

12. The plurality of aerosol-forming articles according to claim 11 , wherein each aerosol-forming article has a different type of magnetic particle to enable the aerosol-generating device to distinguish between aerosol-forming articles.

13. The plurality of aerosol-forming articles according to claim 12 , wherein each type of magnetic particle has a different Curie temperature.

14. The plurality of aerosol-forming articles according to claim 11 , wherein said each aerosol-forming article comprises a different amount of magnetic particles.

Priority Claims (1)
EP 14169238 · May 21, 2014 · regional
Continuity (5)
Continuation 17139396 · Dec 31, 2020
Continuation 16567816 · Sep 11, 2019
Continuation 16040218 · Jul 19, 2018
Continuation 15311629
Related Publication 20240306705A1 · Sep 19, 2024
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