Cigarette filter containing dry water and microcapsules
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United States of America Patent
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Nov 2, 1999
Issued Date -
N/A
app pub date -
Jan 26, 1998
filing date -
Jan 11, 1993
priority date (Note) -
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Abstract
A tobacco smoke filter consisting essentially of a porous substrate having dry water and microcapsules dispersed therein. The microcapsules comprise at least one substance selected from the group consisting of chlorophyllin, methylcellulose, sodium pyroglutamate and a vegetable oil.
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