Thin cigarettes having filter elements with distinct relative retentions
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United States of America Patent
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-
Jan 7, 2003
Grant Date -
N/A
app pub date -
May 22, 2000
filing date -
Oct 23, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a filter cigarette with a tobacco strand enclosed by a cigarette paper, which has a diameter of 5-7 mm, with a smoke yield of at most 1 mg condensate, with a tobacco-side filter element having a relative retention of >90%, with a mouth-side filter element having a relative retention of <10% and with a ventilation zone running in circumferential direction in the encasing and covering paper, which is situated at a distance from the mouth-side filter end, the length of which is at least 1 mm less than that of the mouth-side cork. The nicotine/condensate .multidot.10 strand depletion ratio is .gtoreq.1.0, the overall length of the filter lies between 25-30 mm, the diameter between 5-7 mm and the length of the mouth-side filter cork lies between 13-18 mm.
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