Filtration of tobacco using moisture free, electrically neutral hydrophobic particles
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United States of America Patent
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-
May 26, 1992
Grant Date -
N/A
app pub date -
Sep 27, 1990
filing date -
Sep 27, 1990
priority date (Note) -
Expired
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Abstract
Hydrophobic particles containing polar groups on their surfaces are incorporated into a tobacco smoking article to remove deleterious chemical compounds, both polar and non-polar, from the tobacco smoke.
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