Cigarette filter

Details Cigarette filter Cigarette filter

1982-11-30

1984-10-09

Millin, V.

Tobacco

Smoke separator or treater

Plural diverse elements

131331, A24B 1500

Patent

active

RE0317004

ABSTRACT:
An improved cigaret filter wherein dry and active green algae in the form of chlorella in a granular or powdery form which can physically trap and remove such toxic substances contained in cigaret smoke as nicotine, tar, carbon monoxide and the like and, additionally, can biologically denature and change these substances to harmless form are carried or held by a carrier comprising a fibrous, continuous-cellular formed or the like member. The filter is used as combined with a cigaret holder or directly with a cigaret. With each carrier, preferably, a total weight of 20 to 50 mg. of granular or powdery chlorella is used alone or as combined with such inorganic porous adsorbent as fine granular or powdery zeolite, silica gel, iron oxide or activated charcoal.

REFERENCES:
patent: 2372437 (1945-03-01), Lethrop et al.
patent: 3428551 (1969-02-01), Dawe
patent: 4121599 (1978-10-01), Newton et al.
"Cigarette Search", Wall Street Journal, Wise, Jul. 9, 1954.

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