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Tobacco > Smoke Separator Or Treater > By Chemical Reaction, E.g., Ion-exchange, Chelating, Catalytic, Etc. By Chemical Reaction, E.g., Ion-exchange, Chelating, Catalytic, Etc.By Chemical Reaction, E.g., Ion-exchange, Chelating, Catalytic, Etc. patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.01/24/08 - 20080017207 - Reduction of the deleterious effects of tobacco smoking by the induction of phase 2 enzymes by nerf2 The invention features a method for inhibiting or reducing the deleterious effects of tobacco smoking including increased incidence of cancers, cardiovascular diseases, various lung disorders and the oxidative effects. The method includes the incorporation of an effective amount of a compound or a standardized plant extract that is that comprises ... 08/16/07 - 20070186940 - 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. ... 05/24/07 - 20070113863 - Cigarette filter and cigarette provided with the same A cigarette filter includes a cigarette filter material to which 2-phenyl-4,4,5,5-tetramethylimidazoline-3-oxide-1-oxyl is added. ... 05/24/07 - 20070113862 - Oxidant/catalyst nanoparticles to reduce tobacco smoke constituents such as carbon monoxide Cut filler compositions, cigarettes, methods for making cigarettes and methods for smoking cigarettes are provided, which involve the use of nanoparticle additives capable of reducing amounts of at least one constituent from mainstream and/or sidestream tobacco smoke, the at least one constituent being selected from the group consisting of aldehyde, ... 03/15/07 - 20070056601 - Gold-ceria catalyst for oxidation of carbon monoxide A catalyst comprising gold nandots on cerium oxide, catalytically active for oxidation of carbon monoxide at room temperature. The catalyst is prepared by deposition-precipitation followed by aging or ultrasound treatment. ... 12/28/06 - 20060289023 - Filter containing a metal phthalocyanine and polycationic polymer A tobacco smoke filter comprising one or more than one metal phthalocyanine, such as a copper phthalocyanine or an iron phthalocyanine, and further comprising one or more than one polycationic polymer. ... 12/28/06 - 20060289022 - Tobacco smoke filter The invention relates to a tobacco smoke filter (40) affixed to a body of tobacco in a smokable device, such as a cigarette. The tobacco smoke filter comprises a metal granulate (42) including zinc or copper, and preferably a copper-zinc alloy. The metal granulate may be disposed between the body ... 12/14/06 - 20060278249 - Filter containing a metal phthalocyanine and a polycationic polymer A tobacco smoke filter comprising one or more than one metal phthalocyanine, such as a copper phthalocyanine or an iron phthalocyanine, and further comprising one or more than one polycationic polymer. ... 10/19/06 - 20060231113 - Thermally insulative smoking article filter components A filter component includes a catalyst surrounded by a thermally insulative carbon fiber composite. The catalyst can catalyze the chemical reaction of selected gaseous constituents of a gas stream. During catalysis, the catalyst can reach high temperatures. The carbon fiber composite can contain heat generated during the catalysis within the ... 10/12/06 - 20060225753 - Tobacco smoke filter and tobacco blend for altering mainstream smoke The invention relates to a cigarette for reducing a ratio of at least one constituent to tar in mainstream smoke. The cigarette comprises at least one of a low efficiency tobacco smoke filter and a tobacco blend having a lower stem content as compared to a conventional tobacco. ... 09/28/06 - 20060213533 - Use of polyphenol compounds or derivatives thereof as free-radical scavengers in cigarette filters This invention provides for the use of polyphenol compounds or their derivatives, obtainable by chemical process, biotechnical processes or from plant extracts such as rosemary, as scavengers of free radicals in cigarette filter. ... 08/24/06 - 20060185685 - Nanoscale particles of iron aluminide and iron aluminum carbide by the reduction of iron salts A method of making intermetallic nanoscale particles comprising iron aluminide and/or iron aluminum carbide comprising the steps of preparing a mixture of a solvent, an iron salt and LiAlH4, and heating the mixture to form the intermetallic nanoscale particles. The intermetallic nanoscale particles, which can comprise intermetallic nanoscale particles of ... 06/29/06 - 20060137701 - Ceria/zirconia fiberes for use in cigarettes Ceria/zirconia fibres are incorporated into a variety of smokable articles or their separate individual components, in particular, cigarette components such as a cigarette paper/wrapper, tobacco, and/or filter. ... 05/04/06 - 20060090768 - Synthesis and incorporation of high-temperature ammonia-release agents in lit-end cigarettes A tobacco smoking mixture and/or a cigarette wrapper with high-temperature ammonia-release agents therein are provided, wherein the high-temperature ammonia-release agents are present in an amount effective to reduce the cytotoxicity of gas phase or particulate matter formed during smoking of the cigarette. The high-temperature ammonia-release agents are capable of reducing ... 04/27/06 - 20060086367 - Additives for tobacco cut filler Tobacco smoking mixtures capable of producing tobacco smoke are provided which reduce the cytotoxicity and/or mutagenicity of the tobacco smoke. The tobacco smoking mixtures include tobacco cut filler and glycerin in an amount effective to reduce cytotoxicity and/or mutagenicity of smoke produced by the tobacco smoking mixture. The tobacco smoking ... 03/23/06 - 20060060210 - Cigarette sidestream smoke and free-burn rate control device A device for minimizing cigarette sidestream smoke and reducing free-burn rate of a burning cigarette is disclosed. The device comprises a non-combustible tubular element encasing an effective length of a tobacco charge of a cigarette located in the tubular element. The tubular element minimizes sidestream smoke emission from a burning ... 02/23/06 - 20060037621 - Method of making a smoking composition The present invention relates to smoking articles such as cigarettes, and in particular to catalytic systems containing metallic or carbonaceous particles that reduce the content of certain harmful or carcinogenic substances, including polyaromatic hydrocarbons, tobacco-specific nitrosamines, carbazole, phenol, and catechol, in mainstream cigarette smoke and in side stream cigarette smoke. ... 01/19/06 - 20060011205 - Smoking article including a catalytic smoke reformer A smoking article includes a tobacco rod in axial alignment with a filter section with a catalyst bed disposed between the tobacco rod and the filter section. The catalyst bed may be heated from an external portable heating source or may be heated by the internal evolving gases of combustion ... 12/22/05 - 20050279372 - Silver and silver oxide catalysts for the oxidation of carbon monoxide in cigarette smoke A component of a cigarette comprises a silver-based catalyst for the conversion of carbon monoxide to carbon dioxide. The silver-based catalyst comprises particles (e.g., nanoscale or larger sized particles) of metallic silver and/or silver oxide supported in and/or on metal oxide support particles. The silver-based catalyst can be incorporated into ... 12/15/05 - 20050274390 - Ultra-fine particle catalysts for carbonaceous fuel elements The present invention provides fuel elements comprising a carbonaceous material and a catalyst composition comprising ultrafine particles of a metal oxide and/or metal. The present invention additionally provides smoking articles demonstrating reduced amounts of carbon monoxide in the smoke-like aerosol produced by the smoking article. In a further aspect, the ... 12/01/05 - 20050263164 - Methods for forming transition metal oxide clusters and smoking articles comprising transition metal oxide clusters Smoking article components, cigarettes, methods for making cigarettes and methods for smoking cigarettes are provided that use transition metal oxide clusters capable of catalyzing and/or oxidizing the conversion of carbon monoxide to carbon dioxide and/or adsorbing carbon monoxide. Cut filler compositions, cigarette paper and cigarette filter material can comprise transition ... 12/01/05 - 20050263163 - Formation and deposition of sputtered nanoscale particles in cigarette manufacture Nanoscale particles are formed and deposited in situ on tobacco cut filler, cigarette paper and/or cigarette filter materials by physical vapor deposition. The nanoscale particles are capable of acting as an oxidant for the conversion of carbon monoxide to carbon dioxide and/or as a catalyst for the conversion of carbon ... 12/01/05 - 20050263162 - Preparation of mixed metal oxide catalysts from nanoscale particles Mixed metal oxide catalysts are prepared by combining first nanoscale particles and second nanoscale particles to form a mixture of nanoscale particles and then the mixture is heated to form a mixed metal oxide catalyst. The mixed metal oxide catalysts, which are capable of reducing the concentration of carbon monoxide ... 09/29/05 - 20050211260 - Cigarette filter A cigarette filter has a filter medium containing a basic amino acid or a basic amino acid salt and a moisturizing agent selected from the group consisting of glycerin, sodium propionate and sodium lactate. ... 09/29/05 - 20050211259 - Cigarette wrapper with nanoparticle spinel ferrite catalyst and methods of making same A wrapper for a smoking article includes nanoparticle spinel ferrite catalyst and a web including cellulosic fibers and an optional web-filler. The web-filler can be a modified web-filler which incorporates the spinel ferrite catalyst. The nanoparticle spinel ferrite catalyst can be a nanoparticle manganese-copper-iron oxide catalyst incorporated in the wrapper ... 08/04/05 - 20050166936 - Low sidestream smoke cigarette with non-combustible treatment material A low sidestream smoke cigarette comprises a conventional tobacco rod and a non-combustible treatment material for the rod. The treatment material has a porosity less than about 200 Coresta units and a sidestream smoke treatment composition. The treatment composition comprises, in combination, an oxygen storage and donor metal oxide oxidation ... 08/04/05 - 20050166935 - Reduction of carbon monoxide in smoking articles using transition metal oxide clusters Smoking article components, cigarettes, methods for making cigarettes and methods for smoking cigarettes are provided that use transition metal oxide clusters capable of catalyzing and/or oxidizing the conversion of carbon monoxide to carbon dioxide and/or adsorbing carbon monoxide. Cut filler compositions, cigarette paper and cigarette filter material can comprise transition ... 08/04/05 - 20050166934 - In situ synthesis of composite nanoscale particles A method of making composite nanoscale particles comprising subjecting a starting material to laser energy so as to form a vapor and condensing the vapor so as to form the composite nanoscale particles, wherein said composite nanoscale particles comprise a first metal and/or a first metal oxide incorporated in nanoscale ... 08/04/05 - 20050166933 - Tobacco smoke filter A tobacco smoke filter comprising a copper-containing porphyrin or an iron analog of C.I. Reactive Blue 21 dye. A method of making a first tobacco smoke filter segment, comprising the steps of providing one or more than one substance; producing a mixture of cellulose fiber, sodium sulfate, chlorine water and ... 07/21/05 - 20050155615 - Air filter with scavenging effect on free radicals in gaseous phase and its method of preparation This invention relates to air filter components and apparatuses that act to scavenge gas phase free radicals present in polluted air. In specific aspects, the invention relates to filters that contain proanthocyanidins for scavenging the free radicals. The present invention is also directed to a method for producing air filter ... 06/23/05 - 20050133053 - Smoking articles comprising copper-exchanged molecular sieves Smoking articles which involve the use of a copper-exchanged molecular sieve catalyst that is capable of removing NO and/or NO2 from mainstream smoke are provided. The copper-exchanged molecular sieve catalyst comprises a microporous molecular sieve substrate having pores with an average diameter of from about 3 Å to about 15 ... 06/09/05 - 20050121045 - Treatment of mainstream smoke constituents by use of oxygen storage and donor metal oxide oxidation catalyst The use of a treatment composition for a cigarette to reduce at least one constituent of mainstream smoke from a burning cigarette, the treatment composition comprising, in combination, an oxygen storage and donor metal oxide oxidation catalyst and an essentially non-combustible finely divided porous particulate adjunct. ... 06/09/05 - 20050121044 - Catalysts comprising ultrafine particles The present invention provides catalyst compositions, articles of manufacture incorporating the catalyst compositions and methods for producing catalyst compositions. The catalyst compositions comprise a substrate and ultrafine particles. Disclosed articles of manufacture include filter apparatus, such as those utilized in gas masks or smoking articles. Also disclosed are smoking articles ... ### FreshPatents.com Support |