Cigarette filter

Details Cigarette filter Cigarette filter

1975-03-26

1977-04-05

Michell, Robert W.

Tobacco

Tobacco users' appliance

Supports

A24C 550

Patent

active

040156117

ABSTRACT:
This invention relates to a cigarette filter of cellulosic material composed at least partially of cellulose modified with an organic isocyanate or with higher molecular weight fatty acid groups, or of a naturally water-soluble cellulose ether rendered largely or completely insoluble in water by cross-linking or other means of modification, but still capable of adsorbing water.

REFERENCES:
patent: 2968306 (1961-01-01), Touey et al.

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