Disposable filter attachment for smoking articles

Details Disposable filter attachment for smoking articles Disposable filter attachment for smoking articles

1995-07-24

1997-11-11

Millin, Vincent

Tobacco

Smoke separator or treater

131334, A24D 306

Patent

active

056853238

ABSTRACT:
A disposable filter attachment for smoking articles, such as cigarettes, comprises first and second filter segments and an insertion tube at one end thereof for receiving and supporting a conventional filtered or unfiltered cigarette to be smoked. The first filter segment contains a carbonaceous material for removing gas phase components of the mainstream cigarette smoke. The total pressure drop across the filter attachment is very low, e.g., less than about 15 mm of water at 17.5 cc/sec air flow and preferably in the range of about 3 mm to about 12 mm of water at 17.5 cc/sec air flow.

REFERENCES:
patent: 2669995 (1954-02-01), Troy
patent: 3217715 (1965-11-01), Berger et al.
patent: 5074320 (1991-12-01), Jones, Jr. et al.
patent: 5360023 (1994-11-01), Blakley et al.
patent: 5396909 (1995-03-01), Gentry et al.

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