Smoking article and filter therefor

Details Smoking article and filter therefor Smoking article and filter therefor

1994-12-13

1997-08-19

Bahr, Jennifer

Tobacco

Smoke separator or treater

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

A24D 306, A24D 312

Patent

active

056577729

ABSTRACT:
A filter for a smoking article incorporating particles coated with platinum selectively reduces the amount of volatiles of mainstream smoking article smoke passing through the filter. The platinum may be a continuous or discontinuous coating, usually on a coating of another metal, and this coating(s) will usually encapsulate the particle substrate. This substrate may be low activity activated carbon.

REFERENCES:
patent: 4317460 (1982-03-01), Dale et al.
patent: 5446003 (1995-08-01), Augustine et al.
Reynolds, J.W., "Results Of Experimental Work To Remove CO From A Mixture Of O.sub.2 And N.sub.2 By Use Of Modified Cigarette filters, Research Laboratories/Tennessee Eastman Company", Mar. 1978 .

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