Filter tip cagarette

Details Filter tip cagarette Filter tip cagarette

1992-09-17

1994-07-12

Grieb, William H.

Tobacco

Smoke separator or treater

131336, 131342, 131361, 131365, A24D 104, A24D 300

Patent

active

053279166

ABSTRACT:
A filter tip cigarette comprising a rod of smoking material having an inner wrapper of sidestream reducing paper containing carbon as part of its total filler content and an outer overwrapping cigarette paper, and a ventilated filter tip of low efficiency / high pressure drop which provides a mainstream CO / "tar" ratio of 1:0 or less in conjunction with the filter ventilation.

REFERENCES:
patent: 3640285 (1972-02-01), Briskin
patent: 3744496 (1973-07-01), McCarty
patent: 4481960 (1984-11-01), Brooks

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