Smoking articles
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 4, 1983
Grant Date -
N/A
app pub date -
Mar 1, 1982
filing date -
Mar 6, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A smoking article such as a cigarette has a rod of smoking material wrapped in a wrapper of which the substantially uniform air permeability due to viscous flow is not more than 3 and preferably not more than 2 Coresta Units and of which the Do/t value is in the range of 0.08 to 0.65 cm sec.sup.-1, preferably 0.15 to 0.25 cm sec.sup.-1. The length of the rod of smoking material may suitably be within a range of 25 to 55 mm. A reduction in sidestream TPM delivery of 40% or more can be obtained. The invention is also concerned with a smoking-article wrapper material which satisfies the above permeability and Do/t value requirements.
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Family
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Cited Art Landscape
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