Treatment of mainstream smoke constituents by use of oxygen...

Details Treatment of mainstream smoke constituents by use of oxygen... Treatment of mainstream smoke constituents by use of oxygen...

A - Human Necessities

24

B

A24B 15/28 (2006.01) B01D 53/86 (2006.01) B01J 23/46 (2006.01) B01J 29/04 (2006.01) D21H 21/14 (2006.01)

Patent

CA 2538645

The use of a treatment composition for a cigarette to reduce at least one constituent of mainstream smoke from a burning cigarette, the treatment composition comprising, in combination, an oxygen storage and donor metal oxide oxidation catalyst and an essentially non-combustible finely divided porous particulate adjunct.

L'invention concerne l'utilisation d'une composition de traitement destinée à une cigarette en vue d'une réduction d'au moins un constituant d'une fumée de courant central provenant d'une cigarette en cours de combustion. Cette composition de traitement comprend, en combinaison, un catalyseur d'oxydation sous forme d'oxyde métallique capteur et donneur d'oxygène et un produit d'addition particulaire poreux finement divisé essentiellement non combustible.

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