Highly efficient tobacco smoke filter

Details Highly efficient tobacco smoke filter Highly efficient tobacco smoke filter

1989-12-06

1991-10-29

Millin, V.

Tobacco

Smoke separator or treater

131334, 131342, 131344, 131345, A24D 314

Patent

active

050606727

ABSTRACT:
The invention relates to a novel, highly efficient tobacco smoke filter provided with mechanically (fibrous) and/or adsorptively filtering materials as well as chemosorptively filtering components, which comprises a synergistic composition containing at least one of a compound having a high nucleophilic additivity, capable of chemically reacting and stable adduct forming with excited and ground-level aldehydes not filtered out by the mechanically and/or adsorptively filtering materials; and at least one of a compound containing ##STR1## enediol structural moieties, wherein the enediol type compound or its combination suitably amount to at least 50% by weight of the other chemosorptive components and 40 to 300% by weight of the adsorptively filtering materials.

REFERENCES:
patent: 3319635 (1967-05-01), Stahly
patent: 4532947 (1985-08-01), Caseley
patent: 4753250 (1988-06-01), Bitter et al.
"Studies on the Reactions Between Formaldehyde and Enediols", J. Am. Chem. Soc., vol. 70, pp. 898-890, 1948.

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