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Class 131/294 - By radiant energy


Subclass of Class 131 - Tobacco
Definition: Process and apparatus wherein the puffing is accomplished
No. of patents: 12
Last issue date: 01/15/2002


NumberTitleIssue Date
6338348Method of treating tobacco to reduce nitrosamine content, and products produced thereby
Methods of reducing the content of and preventing formation of carcinogenic nitrosamines in harvested leafy plants such as tobacco and marijuana, are disclosed. The methods are directed to subjecting the plant to microwave radiation, at appropriate times ...
01/15/2002
6135121Tobacco products having reduced nitrosamine content
Methods of reducing the content of and preventing formation of carcinogenic nitrosamines in harvested leafy plants such as tobacco and marijuana, are disclosed. The methods are directed to subjecting the plant to microwave radiation, at appropriate times ...
10/24/2000
5649553Making tobacco rod
The invention provides a method of making tobacco rod in which method the tobacco filler material of the rod is subjected to radio frequency heating before feeding to a rod making machine. The elevated temperature increases the pliability of the tobacco f...
07/22/1997
5139035Method of and apparatus for manipulating bales of condensed tobacco particles
Bales of compressed tobacco ribs and/or tobacco leaf laminae having a moisture content of 8-11 percent are advanced past a battery of microwave generators or through one or more electric high frequency fields to raise the temperature of particles in the b...
08/18/1992
5031644Tobacco expansion process and product
The invention is directed to a process for expanding tobacco wherein tobacco is impregnated with sulfur hexafluoride and thereafter heated in an expansion zone to liberate the sulfur hexafluoride and cause expansion of the tobacco. The process of the inve...
07/16/1991
4922933Tobacco separation or delamination method
The constituents of a compacted tobacco mass can be easily separated by subjecting the mass to electromagnetic radiation in the radio frequency range....
05/08/1990
4874000Method and apparatus for drying and cooling extruded tobacco-containing material
Apparatus and a method for processing hot, moist extruded tobacco-containing materials as they are continuously extruded by drying the extruded material rapidly with microwave energy, and then cooling the extruded material rapidly so that the surface temp...
10/17/1989
4497330Process for increasing the filling power of tobacco
The present invention relates to a process for increasing the filling power of tobacco which comprises heating the tobacco at elevated temperature while maintaining the OV and SV values of the tobacco substantially constant. Preferably, the tobacco is hea...
02/05/1985
4377173Methods and apparatus for expanding tobacco
Tobacco impregnated with solid carbon dioxide is heated in a chamber to expand the same by sublimation of solid CO2 and expulsion of CO2 gas from the tobacco. The expanded tobacco is separated from the internal atmosphere of the expa...
03/22/1983
4327750Apparatus for increasing the filling capacity of tobacco
The invention disclosed is an apparatus for increasing the filling capacity of cured tobacco by evaporatively freeze-drying water expanded tobacco and effecting heating of the tobacco by infrared radiation. The treated tobacco has increased filling capaci...
05/04/1982
4271852Method for increasing the filling capacity of tobacco
The invention disclosed is a method for increasing the filling capacity of cured tobacco by evaporatively freeze-drying water expanded tobacco and effecting heating of the tobacco by infrared radiation. The treated tobacco has increased filling capacity w...
06/09/1981
4248252Continuous process for expanding tobacco
A continuous process of expanding tobacco with carbon dioxide and ammonia is disclosed which comprises contacting tobacco with concentrated ammonium hydroxide, mixing the ammonium hydroxide-treated tobacco with ground solid carbon dioxide, thereafter expa...
02/03/1981
 
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