Tobacco – Cigar or cigarette making – Including cooperating surfaces to induce rolling
Patent
1977-08-01
1981-01-27
Millin, V.
Tobacco
Cigar or cigarette making
Including cooperating surfaces to induce rolling
423236, 423245, 423367, 55387, 55389, A24D 316, B01D 5304, B01D 5928, C01C 312
Patent
active
042469104
ABSTRACT:
Inert gas-permeable granular support materials impregnated with alkali ferrates wherein the ferrates are iron compounds having an oxidation state of +4, +5, or +6 are disclosed. When they are used as a granular filter material in combination with a tobacco product, hydrogen cyanide can be significantly reduced in the smoke obtained from the tobacco product. Activated carbon or alumina impregnated with sodium permanganate and a basic sodium compound may also be combined with the granular filter material.
REFERENCES:
patent: 2758090 (1956-08-01), Mills et al.
patent: 2792841 (1957-05-01), Carson
patent: 3355317 (1967-11-01), Keith et al.
patent: 3434479 (1969-03-01), Till et al.
patent: 3658069 (1972-04-01), Wise
patent: 3669126 (1972-06-01), Soussa et al.
patent: 3889691 (1975-06-01), Urbanic
Hydrocarbon Processing vol. 54, p. 93 "Nonox process removes H.sub.2 S" by Kasai.
Bailey Cynthia V.
Rainer Norman B.
Hutcheson Susan A.
Inskeep George E.
Millin V.
Palmer, Jr. Arthur I.
Philip Morris Incorporated
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