SMOKING ARTICLE FILTERS
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United States of America Patent
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Issued Date -
Apr 2, 2015
app pub date -
May 2, 2013
filing date -
May 3, 2012
priority date (Note) -
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status (Latency Note)
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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 fibre denier in the range 7 to 9 and a second fibrous filter material having an average fibre 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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