Cigarette and filter

Details Cigarette and filter Cigarette and filter

1976-05-17

1977-11-22

Michell, Robert W.

Tobacco

Cigar or cigarette making

Including cooperating surfaces to induce rolling

131 10R, 131 17R, A24B 1500, A24B 1502, A24B 15027

Patent

active

040591190

ABSTRACT:
A filter for tobacco smoke employs synthetic, inorganic, water-insoluble, anhydrous fibers having a positive zeta potential at the pH of tobacco smoke.
To increase the effectiveness of the filter, the tobacco associated with the filter has mixed therewith and deposited thereon particles of a water-insoluble, hydrophobic, moisture-laden, negative charge-imparting substance.

REFERENCES:
patent: 2768913 (1956-10-01), Hiler
patent: 3087500 (1963-04-01), Jacobson

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