A - Human Necessities – 24 – B
Patent
A - Human Necessities
24
B
131/87
A24B 1/00 (2006.01) A24B 3/08 (2006.01) A24B 15/24 (2006.01)
Patent
CA 1212296
UNITED STATES PATENT APPLICATION OF Leroy R. Sachleben Kevin R. Korte Daniel D. Snyder Terry L. Allen FOR PROCESS AND SYSTEM FOR MAKING A BLENDED TOBACCO PRODUCT ABSTRACT OF THE DISCLOSURE A process and system for producing a smoking tobacco having a low nitrate content includes at least one stage through which a tobacco having a relatively high nitrate content, for example burley tobacco, continuously passes for continuous nitrate removal by dissolution. In the nitrate removal stage, a solvent is added to, for example, the burley tobacco to form a slurry. The free solvent, including dissolved nitrates, is decanted from the slurry leaving saturated burley tobacco. The saturated burley tobacco is subjected to an expression pressure to remove a further amount of solvent and dissolved nitrates therefrom. After the burley tobacco leaves the nitrate removing stage, it is mixed with another tobacco, such as, for example, a flue-cured tobacco. The tobacco mixture is then expanded and dried to a moisture content suitable for use in a smoking article. In order to provide a continuous uniform quantity of the tobacco mixture to the expanding-drying step, the mixture is bulked upon leaving the mixing step.
455196
Allen Terry L.
Korte Kevin R.
Sachleben Leroy R.
Snyder Daniel D.
Brown & Williamson Tobacco Corporation
Mitches & Co.
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