Class / Patent application number | Description | Number of patent applications / Date published |
131297000 | Extraction of component, other than moisture, by contact with diverse medium | 44 |
20090050166 | SHREDDED TOBACCO AND METHOD OF TREATING TOBACCO - Shredded tobacco of the invention is treated with metal iodate. A method of treating tobacco of the present invention includes adding metal iodate to shredded tobacco to decompose tobacco specific nitrosamines and polyphenols in the shredded tobacco, thereby reducing the TSNAs and polyphenols. | 02-26-2009 |
20110083683 | COMBINATION TREATMENT OF TOBACCO EXTRACT USING ANTIOXIDANTS AND ANTIOXIDANT SCAVENGERS - A process for treating a tobacco material comprising: (a) extracting a tobacco material with a solvent to produce a tobacco extract and a tobacco residue; (b) contacting the tobacco extract with an antioxidant; and (c) contacting the mixture of (b) with an antioxidant scavenger, to produce a treated tobacco extract. The treated tobacco extract is reapplied to the tobacco residue to form a treated tobacco material. In addition, a smoking composition, a smoking article and a smokeless tobacco oral delivery product contain the treated tobacco material. | 04-14-2011 |
20110083684 | METHODS FOR REMOVING HEAVY METALS FROM AQUEOUS EXTRACTS OF TOBACCO - Disclosed is a method for removing one or more heavy metals from an aqueous plant extract, comprising: contacting the aqueous plant extract with, and sorbing at least a portion of the one or more heavy metals on, at least one sorbent selected from the group consisting of: one or more surface activated titanium oxide particles, one or more chitosans, one or more calcium phosphates, one or more mercaptoalkyl-substituted silica gels, one or more mercaptoalkyl-substituted mesoporous molecular sieves, one or more finely ground γ-aluminas, one or more photocatalytic titanium dioxide particles, one or more Au-anatases, ceria, and combinations thereof, to form a mixture of sorbent and heavy metal-depleted aqueous plant extract; and separating the sorbent from the mixture to provide a heavy metal-depleted aqueous plant extract. | 04-14-2011 |
20120006345 | METHOD FOR PRODUCING NON-COMBUSTION TYPE TOBACCO SHEET - A method for producing a non-combustion type tobacco sheet includes contacting a tobacco raw material with water to separate them into an aqueous extract and an insoluble tobacco residue, selectively reducing anions contained in the aqueous extract to provide a low-anion liquid, adding an acid to the low-anion liquid to provide a neutralized liquid, and blending pulp to the insoluble tobacco residue to prepare a mixture from which a sheet is made, followed by adding the neutralized liquid to the sheet to provide a tobacco sheet. | 01-12-2012 |
20120060854 | THERMAL TREATMENT PROCESS FOR TOBACCO MATERIALS - A method of thermally processing a tobacco material is provided, the method including the steps of (i) mixing a tobacco material, water, and an additive selected from the group consisting of lysine, glycine, histidine, alanine, methionine, glutamic acid, aspartic acid, proline, phenylalanine, valine, arginine, di- and trivalent cations, asparaginase, saccharides, phenolic compounds, reducing agents, compounds having a free thiol group, oxidizing agents, oxidation catalysts, plant extracts, and combinations thereof, to form a moist tobacco mixture; (ii) heating the moist tobacco mixture at a temperature of at least about 60° C. to form a heat-treated tobacco mixture; and (iii) incorporating the heat-treated tobacco mixture into a tobacco product. Heat-treated tobacco composition prepared according to the method are also provided, such as heat-treated smokeless tobacco composition comprising a tobacco material, water, flavorant, binder, and filler, the heat-treated smokeless tobacco composition having an acrylamide content of less than about 2000 ppb. | 03-15-2012 |
20120125354 | Fire-Cured Tobacco Extract and Tobacco Products Made Therefrom - The invention provides a tobacco product including a flavorful tobacco composition in the form of an extract of a fire-cured tobacco material. Exemplary tobacco products include smoking articles, smokeless tobacco compositions, and aerosol-generating devices that do not burn tobacco. The invention also provides a process for preparing a smokeless tobacco composition, the method including: mixing a fire-cured tobacco material having a first benzo[a]pyrene concentration with water to produce an aqueous slurry; maintaining the slurry for a time and at a temperature sufficient to form a fire-cured tobacco extract, the aqueous fire-cured tobacco extract exhibiting a second benzo[a]pyrene concentration lower than the first benzo[a]pyrene concentration; separating the aqueous fire-cured tobacco extract from a residual pulp material, and mixing the aqueous fire-cured tobacco extract with a tobacco or non-tobacco plant material to form a smokeless tobacco composition. | 05-24-2012 |
20130008457 | KIND OF PREPARATION METHOD OF E-CIGARETTE LIQUID - This invention relates to a kind of preparation method of E-cigarette liquid. First, put the tobacco with the amount of 5-20% of E-cigarette liquid volume into the extracting tank and add the mixed solvent into tank to soak tobacco for 30-100 minutes. Then, heat the mixture up to 40-60 | 01-10-2013 |
20130139834 | Polymers Selective for Nitro-Containing Compounds and Methods of Using the Same - Porous beads are provided of a polymer of a non-acidic monomer and a cross-linker having polar functionality, one of which is hydrophilic, the other of which is hydrophobic, further comprising residues of polyvinyl alcohol. The beads may be molecularly imprinted or non-molecularly imprinted. The use of such beads in the removal of nitroso-containing compounds from material containing them is also disclosed. Also disclosed is a non-molecularly imprinted polymer which is selectively adsorbent for at least one tobacco specific nitrosamine in the presence of nicotine, said polymer being a polymerization product of a non-acidic monomer and a cross-linker having polar functionality, one of which is hydrophilic, the other of which is hydrophobic. | 06-06-2013 |
20130160777 | Methods for Extracting and Isolating Constituents of Cellulosic Material - A method for extracting and isolating constituents of cellulosic matter, comprising providing cellulosic matter; contacting the cellulosic matter with a supercritical fluid; separating the supercritical fluid from the cellulosic matter, thereby forming an extract and a raffinate; and separating at least one compound present in the extraction medium by distillation. | 06-27-2013 |
20130206153 | WHITENED TOBACCO COMPOSITION - A method of preparing a whitened tobacco material is provided, the method including the steps of (i) extracting a tobacco material with an aqueous solution to give a tobacco pulp and a tobacco extract; (ii) treating the tobacco pulp with at least one of a caustic reagent and an oxidizing agent for a time and at a temperature sufficient to lighten the color of the tobacco pulp to give a whitened tobacco pulp; (iii) clarifying the tobacco extract to remove higher molecular weight components; and (iv) combining the whitened tobacco pulp with a clarified tobacco extract to form a whitened tobacco material. The whitened tobacco material can be isolated and incorporated into a smokeless tobacco product. The invention also provides a smokeless tobacco product incorporating a whitened tobacco material. The smokeless tobacco product may be a snus-type formulation contained within a sealed pouch. | 08-15-2013 |
20130239981 | METHOD FOR SUPERCRITICAL EXTRACTION OF CHARACTERISTIC FRAGRANT SUBSTANCES IN DIFFERENT FRAGRANT TOBACCO LEAVES - A supercritical extraction of characteristic fragrant substances in different fragrant tobacco leaves, which involves the following steps: 1) cutting the tobacco leaves into shreds and placing the shreds into an extraction vessel with supercritical CO | 09-19-2013 |
20130276801 | METHOD FOR PRODUCING MICROCRYSTALLINE CELLULOSE FROM TOBACCO AND RELATED TOBACCO PRODUCT - Methods for producing dissolving grade pulp and microcrystalline cellulose from tobacco are provided. The methods include chemical pulping a tobacco input to form a tobacco pulp. Chemical pulping the tobacco input includes combining the tobacco input with a strong base defining a weight from about 5% to about 50% of the tobacco input, and heating the tobacco input and the strong base with an H-factor from about 500 to about 3,300. Further, the methods include bleaching the tobacco pulp to produce a dissolving grade pulp. Bleaching the tobacco pulp may include chlorination of the tobacco pulp with a chlorine dioxide solution, and caustic extraction of the tobacco pulp with a second strong base. A related tobacco-derived microcrystalline cellulose product is also provided, which can be used as a binder, a filler, and/or a texturizer in a tobacco product, such as a smokeless tobacco product. | 10-24-2013 |
20140000636 | METHOD FOR PREPARING TOBACCO EXTRACT FOR ELECTRONIC SMOKING DEVICES | 01-02-2014 |
20140000637 | METHOD FOR PREPARING TOBACCO EXTRACT FOR ELECTRONIC SMOKING DEVICES | 01-02-2014 |
20140014123 | METHOD OF MANUFACTURING RECONSTITUTED TOBACCO MATERIAL AND APPARATUS - A reconstituted tobacco material is manufactured by extracting a natural tobacco material with an extracting solvent to obtain an extraction residue and a tobacco extracted liquid containing desired components and undesired components including tobacco-specific nitrosamines, subjecting the tobacco extracted liquid to a fractionating treatment by means of a reverse osmosis membrane to obtain a membrane impermeable fraction containing the desired components and depleted in the undesired components and a membrane permeable fraction depleted in the desired components and enriched in the undesired components, controlling the tobacco extracted liquid during the fractionating treatment to have a temperature suitable for the fractionating treatment, removing precipitates, which are precipitated in the tobacco extracted liquid during the fractionating treatment, from the tobacco extracted liquid, preparing a reconstituted tobacco web containing the extraction residue, and adding the membrane impermeable fraction to the reconstituted tobacco web. | 01-16-2014 |
20140261481 | NITRITE-DEGRADING AND TSNA-DEGRADING BACTERIA AND METHODS OF MAKING AND USING - Provided herein are bacterial strains that are capable of degrading nitrite and/or TSNAs. Also provided herein are methods of using such bacterial strains to degrade nitrite and/or TSNAs. | 09-18-2014 |
20140261482 | Method of Reducing Tobacco-Specific Nitrosamines - A method for reducing the tobacco specific nitrosamines (TSNAs) in tobacco and tobacco smoke is provided. The tobacco is combined with a solvent to form a soluble extracts fraction and an insoluble residue fraction. The soluble extracts fraction is contacted with a nitrosamine-reducing material to provide a soluble extracts fraction having a reduced level of TSNAs. The nitrosamine-reducing material may comprise a sepiolite. The insoluble residue fraction is contacted with an alkali extractant to provide an insoluble residue fraction having a reduced level of TSNAs. The alkali extractant may comprise a hydroxide. The soluble extracts fraction having a reduced level of TSNAs and insoluble residue fraction having a reduced level of TSNAs may be recombined to form a reconstituted tobacco product having a reduced level of TSNAs. The TSNAs may be reduced by at least about 30%, such as at least about 40%, such as at least about 50%. | 09-18-2014 |
20140332015 | Molecularly Imprinted Polymers Selective for Nitrosamines and Methods of using the Same - A class of molecularly imprinted polymers that specifically recognizes and binds to nitrosamines members of which class are useful, for example, in analysis and separation of nitrosamines from biological fluids. Such molecularly imprinted polymers are also useful in methods of treating and manufacturing tobacco products and materials. | 11-13-2014 |
20150296870 | TREATMENT OF TOBACCO MATERIAL - A method is provided for treating a tobacco material, wherein the method comprises treating the tobacco material with subcritical water. Also provided is a tobacco material which has been treated by such a method, or a derivative thereof, and a smoking article which comprises a tobacco material treated by such a method. | 10-22-2015 |
20150296871 | TRANSLUCENT SMOKELESS TOBACCO PRODUCT - The invention provides a smokeless tobacco product comprising a tobacco extract. In some embodiments, the smokeless tobacco product is translucent. The invention further provides methods for making and using the smokeless tobacco product. In certain embodiments, the smokeless tobacco product comprises isomalt, maltitol syrup, and a translucent tobacco extract prepared by ultrafiltration. | 10-22-2015 |
20150296872 | TREATMENT OF TOBACCO MATERIAL - A method is provided for treating a tobacco material, comprising treating the tobacco material with an ionic liquid. Also provided is a tobacco material which has been treated by such a method, or a derivative thereof, and a smoking article which comprises a tobacco material treated by such a method. | 10-22-2015 |
20150296873 | TREATMENT OF TOBACCO MATERIAL - A method is provided for treating a tobacco material, comprising treating the tobacco material by steam hydrolysis. Also provided is a tobacco material which has been treated by such a method, or a derivative thereof, and a smoking article which comprises a tobacco material treated by such a method. | 10-22-2015 |
20160029689 | METHODS FOR REDUCING ONE OR MORE TOBACCO SPECIFIC NITROSAMINES IN TOBACCO MATERIAL - There is described herein a method of reducing the amount of at least matrix-bound NNK in tobacco material comprising the steps of: (a) providing tobacco material comprising at least matrix-bound NNK; (b) optionally measuring the level of at least matrix-bound NNK in the tobacco material; (c) heating the tobacco material for at least about 30 seconds to a temperature of greater than about 110 degrees Celsius in the presence of a liquid or steam to release at least a portion of the matrix-bound NNK from the insoluble tobacco matrix of the tobacco material; (d) optionally measuring the level of at least matrix-bound NNK in the tobacco material following step (c); (e) optionally comparing the levels of matrix-bound NNK obtained in steps (b) and (d); and (f) identifying tobacco material in which at least matrix-bound NNK has been removed from the tobacco material. | 02-04-2016 |
20160044957 | MOLECULARLY IMPRINTED POLYMERS FOR TREATING TOBACCO MATERIAL AND FILTERING SMOKE FROM SMOKING ARTICLES - The invention provides a method of isolating certain target compounds from tobacco, tobacco materials or smoke generated by a smoking article. The method can be used to remove undesirable compounds from tobacco, tobacco materials, or tobacco smoke. The method can also be used to remove flavor compounds from tobacco or tobacco materials, which can then be used as flavor components for tobacco material used in smoking articles and smokeless tobacco compositions. | 02-18-2016 |
20160073678 | MANUFACTURING METHOD OF COMPOSITION ELEMENT OF FAVORITE ITEM INCLUDING FLAVOR COMPONENT, AND COMPOSITION ELEMENT OF FAVORITE ITEM, INCLUDING FLAVOR COMPONENT - The production process comprises a step (A) in which an alkali-treated tobacco source is heated to make the tobacco source release a flavoring ingredient into a gas phase, a step (B) in which the flavoring ingredient released into the gas phase is brought into contact with a given solvent which is a liquid substance at ordinary temperature, thereby trapping the flavoring ingredient in the given solvent, and a step (C) in which the given solvent is added to a constituent element. | 03-17-2016 |
131298000 | By organic solvent | 19 |
20080302377 | Method for extraction of nicotine from tobacco raw material - The invention relates to methods of nicotine extraction from tobacco, caporal and tobacco crumb. | 12-11-2008 |
20110041859 | Molecularly Imprinted Polymers Selective for Tobacco Specific Nitrosamines and Methods of Using the Same - A class of molecularly imprinted polymers that specifically recognizes and binds to TSNAs are useful, for example, in analysis and separation of TSNAs from biological fluids. Such polymers are also useful in methods of treating and manufacturing tobacco products and materials. | 02-24-2011 |
20110067715 | REDUCTION OF CONSTITUENTS IN TOBACCO - Methods of selectively reducing constituents in tobacco as well as the tobacco obtained by such methods are disclosed. Subcritical fluids, e.g., liquid carbon dioxide, serve as the reduction media. | 03-24-2011 |
20110155152 | Tobacco Treatment - This invention provides a method for removing undesirable constituents from tobacco which includes extracting tobacco material in an aqueous or organic solvent and filtering the product of the extraction using a horizontal belt filter. The extract and insoluble tobacco residue may be further treated enzymically, chemically or otherwise to remove a complement of undesirable constituents. The extract and insoluble tobacco residue are recombined to form a regenerated tobacco material that is less harmful when combusted than the original material. | 06-30-2011 |
20110174323 | TOBACCO-DERIVED COMPONENTS AND MATERIALS - The invention provides a tobacco composition for use in a smoking article or a smokeless tobacco composition that includes an additive derived from a flower of the | 07-21-2011 |
20120145170 | METHOD FOR PREPARING TOBACCO EXTRACT FOR ELECTRONIC SMOKING DEVICES - A method and a system for preparing a tobacco extract for use in an electronic smoking device are provided. A tobacco extract and an electronic smoking device are also provided. The method includes grinding tobacco into granulated particles, and heating purified water. The method further includes injecting the heated purified water through the granulated particles of the tobacco for a predetermined period of time to produce an aqueous solution, and adding purified water to the aqueous solution. Further, the method includes heating the aqueous solution, and injecting the heated aqueous solution through ground tobacco for the predetermined period of time to produce a tobacco extract for use in the electronic smoking device. | 06-14-2012 |
20120199145 | METHOD FOR TREATING AN EXTRACTED TOBACCO PULP AND TOBACCO PRODUCTS MADE THEREFROM - The invention provides a method of producing a tobacco composition for use in a tobacco product, the method including treating a tobacco pulp with supercritical carbon dioxide. The treated tobacco pulp may exhibit a benzo[a]pyrene concentration lower than the initial benzo[a]pyrene concentration and/or a TSNA concentration lower than the initial TSNA concentration. The treated pulp can be introduced into tobacco products including smoking articles, smokeless tobacco products, and aerosol-generating devices configured for non-combustion of plant materials. | 08-09-2012 |
20130014771 | TOBACCO-DERIVED COMPONENTS AND MATERIALS - The invention provides a tobacco composition for use in a smoking article or a smokeless tobacco composition that includes an additive derived from a flower of the | 01-17-2013 |
20130133674 | COMBINATION TREATMENT OF TOBACCO EXTRACT USING ANTIOXIDANTS AND ANTIOXIDANT SCAVENGERS - A process for treating a tobacco material comprising: (a) extracting a tobacco material with a solvent to produce a tobacco extract and a tobacco residue; (b) contacting the tobacco extract with an antioxidant; and (c) contacting the mixture of (b) with an antioxidant scavenger, to produce a treated tobacco extract. The treated tobacco extract is reapplied to the tobacco residue to form a treated tobacco material. In addition, a smoking composition, a smoking article and a smokeless tobacco oral delivery product contain the treated tobacco material. | 05-30-2013 |
20130139835 | Polymers Selective for Tobacco Specific Nitrosamines and Methods of Using the Same - A class of molecularly imprinted polymers that specifically recognizes and binds to TSNAs are useful, for example, in analysis and separation of TSNAs from biological fluids. Such polymers are also useful in methods of treating and manufacturing tobacco products and materials. Also disclosed are selectively adsorbent non-molecularly imprinted polymer of a non-acidic monomer and a cross-linker having polar functionality, one of which is hydrophilic, the other of which is hydrophobic, and the use of such polymers in the treatment of materials containing nicotine and nitrosamine. | 06-06-2013 |
20140041675 | REDUCTION OF CONSTITUENTS IN TOBACCO - Methods of selectively reducing constituents in tobacco as well as the tobacco obtained by such methods are disclosed. Subcritical fluids, e.g., liquid carbon dioxide, serve as the reduction media. | 02-13-2014 |
20140130815 | COMBINATION TREATMENT OF TOBACCO EXTRACT USING ANTIOXIDANTS AND ANTIOXIDANT SCAVENGERS - A process for treating a tobacco material comprising: (a) extracting a tobacco material with a solvent to produce a tobacco extract and a tobacco residue; (b) contacting the tobacco extract with an antioxidant; and (c) contacting the mixture of (b) with an antioxidant scavenger, to produce a treated tobacco extract. The treated tobacco extract is reapplied to the tobacco residue to form a treated tobacco material. In addition, a smoking composition, a smoking article and a smokeless tobacco oral delivery product contain the treated tobacco material. | 05-15-2014 |
20140190500 | PROCESS AND APPARATUS FOR IMPROVING RAW TOBACCO - Disclosed are a process and an apparatus for improving tobacco raw material. The process mainly comprises performing an extraction from at least one of tobacco leafs, tobacco flakes, tobacco powder, stalks and cut stems by mixed solvents, conducting a solid-liquid separation for the tobacco raw material, applying the extract liquor of tobacco leaves, flakes and cuts for manufacturing tobacco extract and that of stalks and cut stems for manufacturing fertilizer, diluting and mixing a given amount of tobacco aqueous extract and ethanol extract and removing harmful components so as to get feed liquid, backfilling the feed liquid to the tobacco raw material, and drying the tobacco raw material to a certain dryness to obtain the products. The apparatus is a system composed of a plurality of interconnected independent devices such as extractor, solid-liquid separator, a feed liquid backfiller, etc. | 07-10-2014 |
20140251354 | Method of Producing Pulp for Use in Electronic Cigarette and Traditional Hookah - The present application is related to an electronic cigarette liquid and a method of producing pulp for use in the electronic cigarette liquid, the method includes: using a stainless steel bathing can with a 500 Liter capacity that can endure heating and pressurizing; placing the pulp and original liquid used for bathing inside the can at a pre-determined ratio. After heating, pressurizing and bathing, the absorption of the pulp is fully attained. Then, opening a ball valve and releasing and collecting only the liquid from the bathing can and taking out the viscous pulp for packaging. The hookah pulp product is obtained with a solid extract of the hookah pulp product being 90% or above of the hookah pulp product. | 09-11-2014 |
20140261483 | APPARATUS FOR CREATING LIQUID TOBACCO EXTRACT - A kit is disclosed for supplying a cartridge of an inhaler article with liquid tobacco extract, the kit comprising an apparatus having means for extracting a liquid tobacco extract from a tobacco derived solid. The apparatus is adapted to deliver liquid tobacco extract to a cartridge and a cartridge adapted to receive liquid tobacco extract from the apparatus. An apparatus for supplying a liquid tobacco extract to a cartridge of an inhaler article is further disclosed. The apparatus has a housing, means for extracting a liquid tobacco extract from a tobacco derived solid and said housing is adapted to deliver liquid tobacco extract to a cartridge of an inhaler article. A related method of supplying a cartridge of an inhaler article with a liquid tobacco extract is further disclosed. | 09-18-2014 |
20150122272 | METHODS FOR CREATING CONCENTRATED PLANT MATERIAL SOLUTIONS - Methods for creating concentrated plant material solution, including combining ethanol-soluble, water-insoluble concentrated plant material with ethanol to define mixtures and reducing the amount of ethanol in the mixtures until the mixtures have viscosities compatible for use with electronic cigarettes. Some examples include combining ethanol-soluble, water-insoluble concentrated plant material, hydrocarbon bases, and liquid solutions containing ethanol to define mixtures, removing the hydrocarbon bases from the mixtures, and reducing the ethanol content of the mixtures until the mixtures define viscosities compatible for use with electronic cigarettes. Some examples include extracting solute from source materials and including the extracted solute in the ethanol-soluble, water-insoluble concentrated plant material. | 05-07-2015 |
20160100626 | TOBACCO RAW MATERIAL, METHOD FOR MANUFACTURING SAME, AND TOBACCO PRODUCT - The present invention provides a tobacco raw material having a good smoking flavor and a method for producing the same. Provided is a tobacco raw material having a ratio, which is expressed as “water-extracted material weight/hexane-extracted material weight,” between the weight of an extracted material obtained by extraction using n-hexane as a solvent and the weight of an extracted material obtained following the extraction by further extraction using water as a solvent, of 0 or more and 1.5 or less. | 04-14-2016 |
20160106144 | Tobacco Extract For Non-Combustible Smoking Devices - Systems and methods for manufacturing and vaporizing a tobacco extract for use in a non-combustible smoking device are described. These methods include a solution having a volume of a liquid tobacco extract suspended in a hygroscopic liquid glycerol solvent. The systems and methods provide advantages in that the method is substantially free of water and results in an improved tobacco flavor extract. | 04-21-2016 |
20170231267 | TOBACCO FLAVOR EXTRACT WITH REDUCED TSNAS | 08-17-2017 |