Treated tobacco and processes for preparing the same, devices including the same and uses thereof
AssigneeBritish American Tobacco (Investments) Limited
InventorsSally Bell, Mark Forster, Jeremy Phillips
Life of this patent
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Abstract
Embodiments provides treated tobacco material having a pH of at least 9 and a moisture content of no more than 20% based on the dry weight of the tobacco. Embodiments also provide a process for treating tobacco material to increase its pH to at least 9, the process comprising applying a basic solution to the tobacco material to be treated, and drying the material to produce a treated tobacco material with a moisture content of no more than 20%. Embodiments also provide devices comprising the treated tobacco material, and uses of the treated tobacco material.
Claims15
A process for treating tobacco material to increase its pH to at least 9, the process comprising:
- applying a basic liquid solution to a solid tobacco material to be treated;
- removing ammonia from the solid tobacco material with added basic liquid solution;
- and
- drying the solid tobacco material to produce a treated tobacco material with a moisture content of no more than about 20 weight % based upon the dry weight of the tobacco, the drying being carried out at from about 20° C. to about 85° C.
Dependencies are inferred from the claim text.