Cigarette filter

Details Cigarette filter Cigarette filter

1977-05-26

1980-01-08

Millin, Vincent

Tobacco

Tobacco users' appliance

Supports

A24B 1502, B01D 2908

Patent

active

041823508

ABSTRACT:
Cigarette filters made of a fibrous adsorption agent, wherein the adsorption agent contains weakly hydrophilic polyolefin fibers made by a flash evaporation process, have excellent adsorption properties for tar and nicotine.

REFERENCES:
patent: 3451887 (1969-06-01), Touey et al.
patent: 3770856 (1973-11-01), Ueki et al.
patent: 3920508 (1975-11-01), Yonemuri
patent: 3920509 (1975-11-01), Yonimuri
The Condensed Chemical Dictionary, Reinhold Publ. Co., N.Y., U.S.A., publication date 1962, p. 917.

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