Smoking article with improved delivery profile
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United States of America Patent
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Aug 14, 2012
Grant Date -
Aug 16, 2007
app pub date -
Dec 20, 2006
filing date -
Dec 29, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A smoking article, which provides lower amounts of total particulate matter in a latter portion of its puff count, includes a cylinder of smoking material, a combustible hollow tube within the cylinder of smoking material, and a heat sink at a downstream end of the hollow tube. The smoking article also includes a filter system attached to the cylinder of smoking material having a sorbent material and at least one downstream segment of filtering material.
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