Catalyst to reduce carbon monoxide and nitric oxide from the...

Details Catalyst to reduce carbon monoxide and nitric oxide from the... Catalyst to reduce carbon monoxide and nitric oxide from the...

2006-12-26

2006-12-26

Mayes, Dionne W. (Department: 1731)

Tobacco

Smoke separator or treater

By chemical reaction, e.g., ion-exchange, chelating,...

C131S364000, C131S360000, C131S365000, C131S331000

Reexamination Certificate

active

07152609

ABSTRACT:
Cut filler compositions, cigarettes, methods for making cigarettes and methods for smoking cigarettes are provided, which involve the use of a catalyst capable converting carbon monoxide to carbon dioxide and/or nitric oxide to nitrogen. Cut filler compositions comprise tobacco and at least one catalyst. Cigarettes are provided, which comprise a cut filler having at least one catalyst. The catalyst comprises nanoscale metal and/or metal oxide particles supported on a fibrous support. The catalyst can be prepared by combining a dispersion of nanoscale particles with a fibrous support, or by combining a metal precursor solution with a fibrous support and then heat treating the fibrous support.

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