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| Number | Title | Issue Date |
| 8176923 | Smoking articles and method for treating tobacco material with a suspension containing bismuth containing compounds and optionally glycerin Provided is a method for reducing TPM cytotoxicity, mutagenicity, and/or phenolic compounds and polycyclic aromatic hydrocarbons in the particulate phase of mainstream smoke. Also provided is a smoking article including tobacco material treated with a bismuth contai... | 05/15/2012 |
| 7856988 | Method of making reconstituted tobacco with bonded flavorant A process of manufacturing a reconstituted tobacco material is provided which includes: preparing a heated mixture of water and sugar; providing a liquid flavorant such as menthol; mixing tobacco particles, water and a gum binder with the mixture of water and sugar ... | 12/28/2010 |
| 7819123 | Process and apparatus for applying palladium salts to tobacco filler An apparatus and method for the process of applying palladium salts to tobacco cut filler and other smokable products so that polycyclic aromatic hydrocarbons (PAHs) can be reduced in both mainstream (MS) and sidestream (SS) cigarette smoke. The reduction in PAHs is... | 10/26/2010 |
| 7500485 | Foamed tobacco products and method of making same Disclosed herein is a foamed tobacco composition which includes tobacco particles, water and a foam stabilizer which is a hydrophobically modified hydroxyalkylated carbohydrate. In another form of the invention, the foam stabilizer is a hydrophobically modified cell... | 03/10/2009 |
| 7367170 | Method and device for transferring, in particular, flavoring agents to cigarettes (Liquid) flavoring agents and other substances are transferred to cigarettes immediately prior to or during the packaging operation of the cigarettes (12). An advantageous solution is that of the substances being transferred directly to free ends of the cigar... | 05/06/2008 |
| 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 |
| 7322361 | Method for supplying a flowable medium to the tobacco of a smoking product The invention relates to a method for supplying a flowable medium to the tobacco rod of a smoking product, wherein the medium is introduced on a drum (1) of a cigarette machine, after the tobacco rod is formed. ... | 01/29/2008 |
| 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 |
| 7166165 | Barrier coating for vitreous materials A chemical vapor deposition apparatus comprises a reaction chamber and one or more vitreous components having an outer surface that is covered at least in part by a devitrification barrier layer. In some arrangements, the one or more vitrious components can include ... | 01/23/2007 |
| 6903555 | Flavor monitoring system and method A flavor monitoring system comprises a photo-ionization detector based sensor for measuring the amount of flavor in flavored cigarette filters The sensor has an intake port and an exit port open to the atmosphere. An enclosure with a removable cover is connected to ... | 06/07/2005 |
| 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 |
| 6766803 | Method of manufacturing cigarettes containing gold or silver particles The present invention relates to cigarettes containing gold or silver particles and manufacturing methods of cigarette filters. The tobacco leaves, added with ion particles of gold, are prepared through blending them with peach leaves or bellflower leaves, which con... | 07/27/2004 |
| 6755200 | Method for reduction of tobacco specific nitrosamines Tobacco is treated before or during curing to lower or eliminate bacterial populations and/or activity, fungal growth, and/or tobacco-specific nitrosamine or bacterial endotoxin levels in the cured tobacco, wherein the tobacco is treated with an effective amount of ... | 06/29/2004 |
| 6745778 | Device for supplying a flowable medium to the tobacco of a smoking product The invention relates to a method for supplying a flowable medium to the tobacco of a smoking product (2), wherein the medium is introduced on a drum (1) of a cigarette machine, after the rod is formed, as well as to a device for supplying a flowable m... | 06/08/2004 |
| 6732740 | Method of making a tobacco rod with embedded additive The filler of a cigarette rod has a tubular portion made of shredded tobacco and surrounding at least one row of spherical inserts made of aromatic material or aerosol. The tubular portion is made by feeding tobacco shreds against the underside of the horizontal low... | 05/11/2004 |
| 6695924 | Method of improving flavor in smoking article A method for improving the flavor and aroma characters of a smoking article is provided. A mixture consisting essentially of a reducing sugar and optionally a hydroxide of an alkali metal is subjected to heat treatment for a time and under conditions suff... | 02/24/2004 |
| 6694985 | Process for lowering nicotine contents in tobacco A process for lowering toxic substance including nicotine in tobacco is disclosed. The process of the present invention comprises treating tobacco leaves with water, alcoholic drink, or a mixture thereof. It is also possible to lower the nicotine contents... | 02/24/2004 |
| 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 |
| 6637438 | Method 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 ... | 10/28/2003 |
| 6591841 | Method of providing flavorful and aromatic tobacco suspension Processes for producing flavorful and aromatic compounds from tobacco material are provided. The processes involve providing a tobacco suspension comprising finely ground tobacco material, and subjecting the tobacco suspension to heat treatment in an encl... | 07/15/2003 |
| 6575170 | Method and apparatus for expanding tobacco material A process for exapanding tobacco employs gaseous impregnant at elevated pressure. Tobacco is passed through a gaseous impregnant atmosphere using mechanical devices (e.g., pressure locks, pocket feeders). Tobacco gets impregnated with pressurized gaseous ... | 06/10/2003 |
| 6571801 | Tobacco treatment process In a process to reduce fines and objectionable stem from tobacco in a smoking article, a humectant, particularly glycerin, is added to whole leaf tobacco prior de-stemming. After de-stemming, stems are separated from lamina and the stems and lamina are fu... | 06/03/2003 |
| 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 |
| 6516809 | Method of and apparatus for making a tobacco rod with embedded additive The filler of a cigarette rod has a tubular portion made of shredded tobacco and surrounding at least one row of spherical inserts made of aromatic material or aerosol. The tubular portion is made by feeding tobacco shreds against the underside of the hor... | 02/11/2003 |
| 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 |
| 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 |
| 6273093 | Incorporating smoke-modifying agents in smoking material rods A method of, and apparatus for, incorporating particulate smoke-modifying agent in a smoking material rod, wherein said agent is introduced into a flow of filamentary smoking material to the suction band of a rod making machine, the location of introducti... | 08/14/2001 |
| 6209546 | Apparatus and method for improved hydrate formation and improved efficiency of recovery of expansion agent in processes for expanding tobacco and other agricultural products An apparatus and a method for recovering additional expansion agent in a process for the expansion of tobacco or another agricultural product are disclosed. One embodiment is a method for recovering additional expansion agent in a process for the expansio... | 04/03/2001 |
| 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 |
| 5873372 | Process for steam explosion of tobacco stem This invention relates to a process of exploding tobacco stems to improve smoke quality, and more particularly to a process of exploding the cells of tobacco stems with high pressure saturated steam, followed by rapid depressurization and quenching, in or... | 02/23/1999 |
| 5601097 | Tobacco treatment The invention provides a method for reducing the protein content of tobacco material which includes either: (1) extracting the tobacco material with an anionic surfactant; (2) treating the tobacco material with a proteolytic enzyme followed by extraction ... | 02/11/1997 |
| 5311886 | Tobacco extract treatment with insoluble adsorbent This invention provides a method for reducing the protein content of tobacco material which includes extracting the tobacco material with a solution containing a surfactant. The tobacco material may be first extracted with an aqueous solvent to produce an... | 05/17/1994 |
| 5103843 | Process for improving the taste and aroma of tobacco The invention provides a process for improving the taste and aroma of tobacco by finely dispersing over it an emulsion comprising an emulsifier, an aqueous phase and an oil phase containing at least 10% by weight of a non-volatile oil. The non-volatile oi... | 04/14/1992 |
| 5099864 | Tobacco reconstitution process Reconstituted tobacco material is provided by forming a slurry of tobacco dust in water and providing the slurry at a near neutral pH. The slurry is contacted with diammonium hydrogen orthophosphate, and the slurry is maintained at about 140° F. for abou... | 03/31/1992 |
| 5060669 | Tobacco treatment process Flavorful tobacco extracts are provided by subjecting a moist spray dried tobacco extract to heat treatment. The moist extract is contacted with a sugar and an amino acid, and exposed to a temperature above about 100° C. in a pressure controlled vessel. ... | 10/29/1991 |
| 4987907 | Chewing tobacco composition and process for producing same The chewing tobacco composition contains 25 to 40% by weight cut tobacco, 0.1 to 10% by weight powdered cellulose pulp and 60 to 75% by weight casing solids. The use of powdered cellulose pulp in the composition provides for an increase in the amount of c... | 01/29/1991 |
| 4986286 | Tobacco treatment process Flavorful tobacco substances are provided by extracting tobacco with water, spray drying the resulting liquid tobacco extract, contacting the spray dried extract with a glycerine carrier, and subjecting the extract and carrier to a temperature above 150°... | 01/22/1991 |