Smoking article filters
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United States of America Patent
Stats
-
Apr 23, 2019
Grant Date -
Feb 16, 2017
app pub date -
Oct 25, 2016
filing date -
May 3, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention relates to improvements in filters for use in smoking articles such as cigarettes, cigars and cigarillos. The improvements, particularly but not exclusively, relate to filter capabilities and to the manufacture of such filters. In one example, a filter for a smoking article comprises a first fibrous filter material having an average fiber denier in the range 7 to 9 and a second fibrous filter material having an average fiber denier of below 7. The application also describes a filter for a smoking article comprising various other filter arrangements including absorbent and/or adsorbent materials.
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Family
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Cited Art Landscape
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