Filter for cigarettes, cigarillos or pipes

Details Filter for cigarettes, cigarillos or pipes Filter for cigarettes, cigarillos or pipes

1977-09-28

1980-03-25

Michell, Robert W.

Tobacco

Tobacco users' appliance

Supports

A24B 1502

Patent

active

041945174

ABSTRACT:
An improved fibrous filter is disclosed which is useful for removing harmful chemicals from tobacco smoke. This filter is characterized as containing at least one compound selected from the group consisting of ##STR1## wherein R represents a straight-chain, branched or cyclic aliphatic hydrocarbon radical.

REFERENCES:
patent: 3127373 (1964-03-01), Guttag
patent: 3246654 (1966-04-01), Stahly
patent: 3280823 (1966-10-01), Bavley et al.
patent: 3319635 (1967-05-01), Stahly

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