Tobacco – Tobacco treatment – Extraction of component – other than moisture – by contact...
Patent
1996-09-12
1998-08-11
Millin, Vincent
Tobacco
Tobacco treatment
Extraction of component, other than moisture, by contact...
131298, A24B 1524
Patent
active
057913536
ABSTRACT:
The invention relates to a method of denitrating tobacco stem material in which the tobacco stem material is input at a first point in a housing, guided through a solvent and output at a second point from the housing, the complete method being implemented at an overpressure, and to an apparatus for implementing the method with an elongated, approximately cylindrical housing and at least one rotatable feeder screw, said housing being configured pressure-tight and comprising locks or nozzles or inputting and/or outputting process flows.
REFERENCES:
patent: 3575178 (1971-04-01), Stewart
patent: 5230354 (1993-07-01), Smith et al.
patent: 5360022 (1994-11-01), Newton et al.
Junemann Gitta
Schmekel Gerald
Stiller Wilfried
Weiss Arno
Anderson Charles W.
Brown & Williamson Tobaccco Corporation
Millin Vincent
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