Smoking articles and smokable filler materials therefor
AssigneeBritish-American Tobacco Company Limited
InventorsDavid Dittrich, Joseph Sutton, Steven Coburn, James Figlar
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Abstract
The invention relates to a smoking article incorporating a smoking material comprising three main components, namely a non-combustible inorganic filler, an alginic binder and aerosol generating means. The smoking material is combined with tobacco material, which may be treated with additional humectant, to provide a smoking article that has an aerosol transfer efficiency ratio of greater than 4.0.
Claims67
A smoking article comprising a wrapped rod of a smokable filler material, the smokable filler material consisting of a blend, which blend incorporates smoking material consisting of a non-combustible inorganic filler material in the range of 60-90%, an alginic binder in the range of 5-13% and aerosol generating means in the range of 5-20%, and colourant at 0-10% all by weight of the smoking material.
A smoking article comprising a wrapped rod of a smokable filler material, the smokable filler material consisting of a blend, which blend incorporates smoking material consisting of a non-combustible inorganic filler material, an alginic binder and aerosol generating means, which three components together comprise greater than 90% by weight of the smoking material, and colourant at 0-10% by weight of the smoking material
A method of controlling the static burn rate of a smoking article, wherein the smoking article comprises a rod of smokable filler material enwrapped in a wrapper, said smokable filler material incorporating a proportion of a smoking material comprising a non-combustible inorganic filler material, an alginic binder and aerosol generating means, said inorganic filler material comprising a proportion of material having a mean particle size in the range of 500 μm-20 μm, the particle size of the inorganic filler material being selected to provide the desired static burn rate, and/or an amount of smoking material being selected in conjunction with an amount of tobacco material in a blend of smokable filler material to provide the desired static burn rate.
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Dependencies are inferred from the claim text.