Cigarette filter containing microcapsules and sodium pyroglutamate
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United States of America Patent
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-
Nov 24, 1998
Issued Date -
N/A
app pub date -
Oct 31, 1996
filing date -
Jan 11, 1993
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A tobacco smoke filter with a porous substrate having a humectant, such as sodium pyroglutamate, dispersed therein to absorb moisture from the tobacco smoke thereby wet-filtering the tobacco smoke. Also, a tobacco smoke filter with a porous substrate having microcapsules dispersed therein. The microcapsules have a humectant such as sodium pyroglutamate. The microcapsules further preferably have one or more of methylcellulose, chlorophyllin and at least one vegetable oil.
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