Synthesis and incorporation of high-temperature ammonia-release agent in lit-end cigarettes

A tobacco smoking mixture and/or a cigarette wrapper with high-temperature ammonia-release agents therein are provided, wherein the high-temperature ammonia-release agents are present in an amount effective to reduce the cytotoxicity of gas phase or particulate matter formed during smoking of the ci...

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Bibliographische Detailangaben
Hauptverfasser:	Fournier Jay A, Paine John B, Fernandez Douglas A
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CIGARETTES CIGARS COMPOUNDS THEREOF HUMAN NECESSITIES INORGANIC CHEMISTRY MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING ORCHEWING METALLURGY MOUTHPIECES FOR CIGARS OR CIGARETTES NON-METALLIC ELEMENTS SMOKERS' REQUISITES SNUFF TOBACCO TOBACCO SMOKE FILTERS
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Beschreibung
Zusammenfassung:	A tobacco smoking mixture and/or a cigarette wrapper with high-temperature ammonia-release agents therein are provided, wherein the high-temperature ammonia-release agents are present in an amount effective to reduce the cytotoxicity of gas phase or particulate matter formed during smoking of the cigarette. The high-temperature ammonia-release agents are capable of reducing the cytotoxicity of gas phase or particulate matter by evolving ammonia at temperatures greater than about 200° C., wherein the ammonia can interact with the particulate matter. Additionally, the high-temperature ammonia-release agents can be formed by heating an aqueous mixture of an iron precursor compound, an ammonia source compound and an acid.