Tobacco – Tobacco or tobacco substitute product or component part thereof – Compositions – e.g. – smoking or chewing mixture or medium
Patent
1992-12-14
1995-08-22
Brown, Theatrice
Tobacco
Tobacco or tobacco substitute product or component part thereof
Compositions, e.g., smoking or chewing mixture or medium
A24B 1500
Patent
active
054435609
ABSTRACT:
A chemical heat source comprising metal nitride, metal oxide and carbon, particularly useful in smoking articles, and methods of making the heat source are provided. The metal nitride of the heat source has an ignition temperature substantially lower than conventional carbonaceous heat sources, while at the same time provides sufficient heat to release a flavored aerosol from a flavor bed for inhalation by the smoker. Upon combustion the heat source produces virtually no carbon monoxide. The metal nitride is prepared by pre-forming the starting materials into a desired shape, and converting them to metal nitride in situ, without substantially altering the shape of the starting materials.
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Deevi Seetharama C.
Losee, Jr. Bruce D.
Brown Theatrice
Glenn Charles E. B.
Osbnorne Kevin B.
Philip Morris Incorporated
Schardt James E.
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