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1. (WO2018224679) AEROSOL-GENERATING ARTICLE HAVING FIBROUS FILTER SEGMENT
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CLAIMS

1 . An aerosol-generating article comprising:

a plurality of components assembled within a wrapper to form a rod having a mouth end and a distal end upstream from the mouth end,

wherein the plurality of components comprises:

an aerosol-forming substrate comprising plant material and an aerosol former, wherein the substrate has an aerosol former content of between 5% and 30% by weight on a dry weight basis; and

a filter segment downstream of the aerosol-forming substrate, the filter segment comprising fibres of at least about 12 denier per filament.

2. An aerosol-generating article according to claim 1 , wherein the fibres of the filter segment have a denier per filament of about 120 or less.

3. An aerosol-generating article according to claim 1 or claim 2, wherein the fibres of the filter segment have a denier per filament of from about 30 to about 80.

4. An aerosol-generating article according to any one of the preceding claims, wherein the filter segment has a total denier of from about 6,000 to about 240,000.

5. An aerosol-generating article according to any one of the preceding claims, wherein the filter segment has a resistance to draw of from about 1 mm H20 to about 3 mm H20 per millimetre length.

6. An aerosol-generating article according to any one of the preceding claims, wherein the filter segment has a length of at least 10 millimetres.

7. An aerosol-generating article according to any one of the preceding claims, further comprising a support element located immediately downstream of the aerosol-forming substrate.

8. An aerosol-generating article according to any one of the preceding claims, further comprising an aerosol-cooling element located between the aerosol forming substrate and the filter segment.

9. An aerosol-generating article according to claim 8, wherein the aerosol-cooling element has a length of less than 7 millimetres.

10. An aerosol-generating article according to claim 8 or claim 9, wherein the length of the aerosol-cooling element is no greater than 25 percent of the length of the filter segment.

1 1 . An aerosol-generating article according to claim 7, wherein the filter segment is located immediately downstream of the support element.

12. An aerosol-generating article according to claim 7, wherein a cavity is provided between the filter segment and the support element, and extends from the support element to the filter segment.

13. An aerosol-generating article according to any one of the preceding claims, wherein the fibres of the filter segment have a substantially elliptical cross section.

14. An aerosol-generating article according to any one of the preceding claims, wherein the aerosol-forming substrate is in the form of a rod comprising a gathered sheet of aerosol-forming material, for example a gathered sheet of homogenised tobacco, or a gathered sheet comprising a nicotine salt and an aerosol former.

15. An aerosol-generating system comprising an electrically-operated aerosol-generating device and an aerosol-generating article as defined in any of claims 1 to 14.