Cigarette and filter for tobacco smoke

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

1976-07-20

1977-07-26

Michell, Robert W.

Tobacco

Cigar or cigarette making

Including cooperating surfaces to induce rolling

131 17R, 131262R, A24D 106, A15B 1502

Patent

active

040376079

ABSTRACT:
A filter for tobacco smoke comprises a porous substrate which has a deposit thereon of particles of a positively charged, water-insoluble, hydrophobic, oleophilic 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 (1939-06-01), Striefling
patent: 3087500 (1963-08-01), Jacobson

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