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| Number | Title | Issue Date |
| 6158440 | Swollen tobacco material manufacturing method Disclosed is a method of producing an expanded tobacco material. According to the method, a tobacco material (TM) is fed into a pressure vessel (11), followed by pressurizing the interior of the pressure vessel (11) with a carbon dioxide gas to a predeter... | 12/12/2000 |
| 5590667 | Tobacco expansion method A tobacco expansion method is provided whereby cured tobacco is first moistened with a humectant solution, as is conventional in the industry, to increase the resident liquids thereof. Next, the prepared tobacco in shredded form is placed in a sealed cham... | 01/07/1997 |
| 4607646 | Process for modifying the smoke flavor characteristics of tobacco Burley tobacco when cured is sought after as a component of commercial cigarette blends. The inventors have found that, to avoid its less desirable features, one may replace Burley with cured bright tobacco which has been heated in the presence of ammonia... | 08/26/1986 |
| 4574819 | Process for increasing the filling power of tobacco Cut tobacco is treated with a supersaturated aqueous solution of calcium citrate and excess moisture is removed. The result is a significant increase in the filling power of the cut tobacco.... | 03/11/1986 |
| 4531529 | Process for increasing filling capacity of tobacco An improved process for increasing the filling capacity of tobacco is provided in which tobacco is contacted with vapors of an expansion agent such as, for example, a low-boiling highly volatile hydrocarbon and/or halocarbon, at elevated temperature and p... | 07/30/1985 |
| 4195647 | Method and apparatus for increasing the volume of tobacco or the like Shreds of tobacco are conveyed across a rising stream of saturated steam and in a shower of hot water droplets so that the temperature and moisture content of shreds increase to a value at which the shreds are pliable. The shreds are thereupon introduced ... | 04/01/1980 |
| 4161953 | Method of puffing tobacco tissue Tobacco tissue is puffed by admixing with it hot water, preferably in the form of droplets, in amounts which are substantially completely absorbed by the tobacco in five minutes or less and thus cause puffing of the tobacco cell walls, and freeze drying t... | 07/24/1979 |
