Cigarette and filter for tobacco smoke

Details Cigarette and filter for tobacco smoke Cigarette and filter for tobacco smoke

1980-11-21

1983-08-02

Millin, V.

Tobacco

Smoke separator or treater

By electric, magnetic, or radioactive action

131342, 131343, 131362, A24D 326

Patent

active

043960260

ABSTRACT:
A filter for tobacco smoke comprises a porous substrate which has a deposit thereon of particles which are crystalline, positively charged at the pH of tobacco smoke, water-insoluble, hydrophobic, and oleophilic to provide a coalescing agent which acts to attract and neutralize the negatively charged particles which are dispersed in tobacco smoke. To increase the effectiveness of the filter, the tobacco has mixed therewith and deposited thereon particles of a water-insoluble, hydrophobic, moisture-laden, negative charge-imparting substance. Cigarettes made with tobacco thus treated furnish a number of advantages without being associated with the filter of the invention.

REFERENCES:
patent: 2181614 (1939-11-01), Striefling
patent: 3313305 (1967-04-01), Noznick et al.
patent: 3878854 (1975-04-01), Albein et al.

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