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| Number | Title | Issue Date |
| 8011373 | Method of treating tobacco extract solution to reduce magnesium ions and method of manufacturing a treated tobacco material A method of treating a tobacco extract solution includes bringing an extract solution, which is obtained by extracting a natural tobacco material with an aqueous extracting solvent, into contact with a polymer containing, in its side chain, a functional group which ... | 09/06/2011 |
| 7934509 | Defibration of tobacco material The invention relates to a method of producing cut tobacco material, whereby a tobacco initial material is heated and placed under pressure and once heated and placed under pressure, the material is fed through a shearing gap and expanded and defibrated. It further ... | 05/03/2011 |
| 7677253 | Method of manufacturing regenerated tobacco material A regenerated tobacco material is manufactured through extracting a natural tobacco material with an extracting solvent to obtain an extracted solution containing components of the natural tobacco material and an extraction residue. A regenerated tobacco web is prep... | 03/16/2010 |
| 7650891 | Tobacco precursor product The present invention relates to methods for hindering formation of tobacco-specific nitrosamines during processing of dark fire tobacco, as well as a facility in which at least portions of these methods may be conducted. According to the present invention, dark fir... | 01/26/2010 |
| 7387128 | Pressure-conditioning method The invention relates to a continuous method for pressure-conditioning material for food and/or semi-luxury consumables, wherein said material (12) is introduced through an entrance (4) into a hyperbarically pressurized conditioning chamber (2),... | 06/17/2008 |
| 7337782 | Process to remove protein and other biomolecules from tobacco extract or slurry A process is disclosed for removing proteins and other undesirable biomolecules from tobacco extract or slurry via foam fractionation, thereby concentrating the tobacco extract or slurry. The tobacco extract or slurry is treated and modified prior to being subjected... | 03/04/2008 |
| 7329558 | Differential negative resistance memory The invention relates to a DNR (differential negative resistance) exhibiting device that can be programmed to store information as readable current amplitudes and to methods of making such a device. The stored data is semi-volatile. Generally, information written to... | 02/12/2008 |
| 7293564 | Method for chemically modifying tobacco during curing A method for chemically modifying a tobacco material during a curing process involves treating the tobacco material in a curing enclosure at a temperature and for a time sufficient to produce cured tobacco. The method also involves contacting the tobacco material wi... | 11/13/2007 |
| 7244461 | Method of preparing liquid smoke The invention relates to a method of preparing a smoke extract, which method comprises the steps of i) preparing a char from wood or cellulose preferably by pyrolysis, ii) extracting one or more fractions of the char with an extraction solvent in its supercritical s... | 07/17/2007 |
| 7182973 | Low temperature process for extracting principal components from plants or plant materials and plant extracts produced thereby A low temperature process for extracting principal components from plants or plant materials and plant extracts produced by such a low temperature process, are provided. The inventive low temperature process improves the yield and quality of volatile and non-volatil... | 02/27/2007 |
| 7127285 | Systems and methods for electrokinetic delivery of a substance A system for delivering a substance into a body at a treatment site that includes an alternating current source and a plurality of electrodes. Circuitry is connected between the alternating current source and the electrodes for supplying current to the electrodes wh... | 10/24/2006 |
| 7118688 | Antioxidant compositions and methods of use thereof An antioxidant composition having enhanced oxidative stability, emulsion stability, and health benefits. The composition may include individual ingredients or a synergistic blend of non-reducing sugars, sugar polyols, medium-chain triglycerides, polysaccharides, pol... | 10/10/2006 |
| 7069073 | Electrokinetic delivery of medicaments An electrokinetic delivery or diagnostic device for personal use and self-administration of a medicament to a treatment site is provided. The device includes a housing containing a power supply, a first active electrode and a ground tactile electrode. An applicator ... | 06/27/2006 |
| 7048211 | Flexible processing apparatus for isolating and purifying viruses, soluble proteins and peptides from plant sources A flexible automated apparatus for isolating and purifying viruses, proteins and peptides of interest from a plant material is disclosed, the apparatus being applicable for large scale purification and isolation of such substances from plant material. The flexible a... | 05/23/2006 |
| 7025066 | Method of reducing the sucrose ester concentration of a tobacco mixture The flavor and aroma characteristics of the smoke of a tobacco blend incorporating Oriental tobacco are improved by subjecting that blend to heat treatment. Oriental tobacco having a relatively high sucrose ester content is combined with a second dissimilar Oriental... | 04/11/2006 |
| 7016724 | Electrokinetic delivery system for self-administration of medicaments and methods therefor An electrokinetic delivery system for personal use in self-administration of a medicament to a treatment site on an individual includes a device shaped to conform with the shape of a portion of an individual's finger from a tip thereof to a location past the first f... | 03/21/2006 |
| 7008798 | Cyanine dyes as labeling reagents for detection of biological and other materials by luminescence methods The present invention pertains to luminescent dyes and methods for covalently attaching the dyes to a component or mixture of components so that the components may be detected and/or quantified by luminescence detection methods. The dyes are cyanine and cyanine-type... | 03/07/2006 |
| 6962725 | Low temperature process for extracting principal components from plants or plant materials and plant extracts produced thereby A low temperature process for extracting principal components from plants or plant materials and plant extracts produced by such a low temperature process, are provided. The inventive low temperature process improves the yield and quality of volatile and non-volatil... | 11/08/2005 |
| 6906172 | Flexible processing apparatus for isolating and purifying viruses, soluble proteins and peptides from plant sources A flexible automated apparatus for isolating and purifying viruses, proteins and peptides of interest from a plant material is disclosed, the apparatus being applicable for large scale purification and isolation of such substances from plant material. The flexible a... | 06/14/2005 |
| 6786221 | Method and system for assay and removal of harmful toxins during processing of tobacco products A process and system for continuous assay and removal of toxins from tobacco. Products such as tobacco contaminated with mycotoxins, particularly aflatoxins, and benzpyrene and its precursors, are subjected to treatment, generally in a solvent medium, to decontamina... | 09/07/2004 |
| 6772767 | Process for reducing nitrogen containing compounds and lignin in tobacco A process for reducing lignin and nitrogenous content in tobacco lamina and tobacco fiber material, including whole leaf, stems, scraps, fines and lamina, as well as burley leaf and stem, in an extraction with a solution containing hydrogen peroxide and an alkali me... | 08/10/2004 |
| 6679270 | Reduction of nitrosamines in tobacco and tobacco products A method for reducing the content of nitrosamines (e.g., N'-Nitrosonornicotine, 4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone, N'-Nitrosoanatabine, and N'-Nitrosoanabasine) in tobacco is provided. In one embodiment, the method includes combining tobacco ... | 01/20/2004 |
| 6602555 | Tobacco extract composition and method A method of extracting corrosion inhibiting constituents from tobacco comprises the steps of soaking tobacco in an extraction solution under certain extraction conditions, followed by filtration to remove tobacco residue from the resultant aqueous tobacco... | 08/05/2003 |
| 6564808 | Method for reduction of tobacco specific nitrosamines Tobacco is treated with an effective amount of one or more bactericidal gases before or during curing to reduce or eliminate bacteria, bacterial activity and/or fungal activity from tobacco leaves, and/or to reduce or eliminate the amount of tobacco-speci... | 05/20/2003 |
| 6508254 | Reduced protein reconstituted tobacco and method of making same A process for manufacturing reconstituted tobacco with reduced nitrogenous content by submitting cured tobacco material, including whole leaf, stems, scraps, fines and lamina, as well as burley leaf and stem, to an extraction with a solution containing so... | 01/21/2003 |
| 6499489 | Tobacco-based cooked casing formulation Processes for producing flavorful and aromatic compounds from flue-cured tobacco material are provided. The processes involve providing a tobacco suspension comprising finely ground flue-cured tobacco material in intimate contact with ammonia, and subject... | 12/31/2002 |
| 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 |
| 6298859 | Use of a phenol oxidizing enzyme in the treatment of tobacco A process for preparing tobacco, which process comprises the steps of treating a tobacco material with a phenol oxidising enzyme, such as by extracting tobacco with a solvent to provide an extract and a residue; and treating the extract with a phenol oxid... | 10/09/2001 |
| 6131584 | Tobacco treatment process Two types of tobacco are placed into and kept separate in an aqueous medium wherein water-soluble chemical components of each of the two types of tobacco are solubilized to form a tobacco extract. The two types of tobacco remain in the aqueous medium or t... | 10/17/2000 |
| 6109272 | Method for producing a tobacco flavor-tasting article A tobacco flavor-tasting article is manufactured by preparing a heat-irreversibly coagulated glucan sheet containing a tobacco extract. The glucan sheet is prepared by preparing a sheet-like material from a high viscosity aqueous dispersion containing the... | 08/29/2000 |
| 6067994 | Tobacco expansion batch forming, unloading and expansion agent purging process and apparatus Processes and apparatus are provided for processing tobacco for expansion thereof including process and apparatus for forming a batch of tobacco for delivery to a tobacco impregnation apparatus and processes and apparatus for unloading the expanded tobacc... | 05/30/2000 |
| 6058940 | Method and system for assay and removal of harmful toxins during processing of tobacco products A process and system for continuous assay and removal of toxins from tobacco. Products such as tobacco contaminated with mycotoxins, particularly aflatoxins, and benzpyrene and its precursors, are subjected to treatment, generally in a solvent medium, to ... | 05/09/2000 |
| 6048404 | Tobacco flavoring components of enhanced aromatic content and method of providing same Improved flavorful and aromatic tobacco materials and processes for producing flavorful and aromatic components from tobacco material are provided. The processes involve subjecting substantially dry liquid free tobacco material directly to heat treatment ... | 04/11/2000 |
| 5947128 | Method for making a reconstituted tobacco sheet using steam exploded tobacco A process to improve the smoke quality and mechanical properties of reconstituted tobacco is accomplished by adding tobacco materials to an aqueous solution containing ammonium salts and urea. The resulting first tobacco slurry is then pressurized under s... | 09/07/1999 |
| 5908034 | Method for making a band cast reconstituted tobacco sheet using steam exploded tobacco A process for improving smoke quality and mechanical properties of a cast reconstituted tobacco sheet is accomplished by adding tobacco materials to an aqueous solution containing ammonium salts and ammonium hydroxide. The resulting first tobacco slurry i... | 06/01/1999 |
| 5873371 | Method and apparatus for the removal of harmful constituents from cigarettes and tobacco before smoking An apparatus for receiving harmful substances from a cigarette includes a heating chamber provided with a heating element heating a treating solution consisting of 75% alcohol and 25% of hydrogen peroxide so that the latter evaporates and by transversing ... | 02/23/1999 |
| 5810020 | Process for removing nitrogen-containing anions and tobacco-specific nitrosamines from tobacco products There is disclosed a process for denitrifying tobacco materials and removing barium from tobacco materials, comprising mixing an aqueous-immiscible organic solvent containing a crown ether with an aqueous solution containing soluble components from tobacc... | 09/22/1998 |
| 5791353 | Method and apparatus for denitrating tobacco stem material 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... | 08/11/1998 |
| 5765570 | Reconstituted tobacco product A process for the manufacture of a reconstituted tobacco product wherein the process comprises extraction of tobacco furnish with an aqueous solvent in the presence of at least one ammonium salt or urea or a urea derivative or a mixture of urea or a urea ... | 06/16/1998 |
| 5713376 | Non-addictive tobacco products Cut tobacco used for processing cigarettes or other smoking articles is reacted with an agent such as an oxidant or subject to an extraction/removal process for a suitable period of time, dependent upon the nicotine content, the oxidant employed and the r... | 02/03/1998 |
