Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 6338348 | Method 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 |
| 6311695 | Method 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 and/or higher frequency radiatio... | 11/06/2001 |
| 6135121 | Tobacco 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 |
| 5139035 | Method 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 |
| 5031644 | Tobacco 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 |
| 4922933 | Tobacco 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 |
| 4821747 | Process for treating tobacco and similar organic materials Apparatus to expand shredded material, the latter is impregnated with an inert organic liquid which is evaporated subsequently. The substantial portion of the impregnant is separated. To eliminate the residual amount of impregnate still contained in the m... | 04/18/1989 |
| 4497330 | Process 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 |
| 4377173 | Methods 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 |
| 4340073 | Expanding tobacco A process for expanding tobacco is provided which employs liquid carbon dioxide as the expansion agent. Tobacco is contacted with liquid carbon dioxide to thoroughly impregnate the tobacco with the liquid carbon dioxide. The carbon dioxide impregnated tob... | 07/20/1982 |
| 4248252 | Continuous 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 |
| 3957063 | Method and apparatus for increasing the volume of moist tobacco Particles of a tobacco stream are first expanded by passing across a high-frequency field wherein they are exposed to the action of electromagnetic waves which effect a vaporization of moisture in the capillaries with attendant increase in volume. The thu... | 05/18/1976 |
