Abstract: A capsule for an aerosol-generating device may include a housing, a filter, and an aerosol-forming substrate. The housing may have a gas-permeable end and an impermeable end. The filter may be disposed within the housing so as to be adjacent to the impermeable end. The aerosol-forming substrate may be disposed within the housing so as to be between the filter and the gas-permeable end. The housing may be configured to facilitate a heating of the aerosol-forming substrate via one of conduction, convection, or both conduction and convection so as to generate an aerosol.

Abstract: Disclosed herein is a degradable cellulose ester. The cellulose ester may be formed into tow for use in cigarette filters or into articles, such as molded articles. A basic material, an enzymatic material, or combinations thereof is included in the cellulose ester in order to degrade the cellulose ester.

Abstract: A heated aerosol-generating article is provided, including an aerosol-forming substrate including tobacco and a metal-based sulphide scavenger compound, an amount of a metal component of the sulphide scavenger compound in the aerosol-forming substrate is at least 0.05 percent by weight, based on a total dry weight of the aerosol-forming substrate, and the sulphide scavenger compound is based on a transition metal.

Abstract: 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 particles of an oxide of a second metal, the first metal being different than the second metal. The starting material can comprise first and second metals or compounds of the first and second metals. The composite nanoscale particles can be formed in a reaction chamber wherein a temperature gradient is provided. The atmosphere in the chamber can be an inert atmosphere comprising argon or a reactive atmosphere comprising oxygen. The composite nanoscale particles are useful for low-temperature and near-ambient temperature catalysis.

Abstract: The present disclosure relates to aerosol delivery devices, methods of forming such devices, and elements of such devices. For example, some aerosol delivery devices of the current disclosure include a reservoir having a liquid aerosol precursor composition, an electrical heater in fluid communication with the reservoir and configured to vaporize the liquid aerosol precursor composition to form an aerosol, and a filter operatively arranged relative to the electrical heater such that at least a portion of the formed aerosol passes therethrough, the filter being configured to selectively bind one or more undesirable impurities.

Abstract: The invention provides a method for making a fuel element for a smoking article comprising forming a combustible carbonaceous material into a fuel element adapted for use in a smoking article; incorporating a metal-containing catalyst precursor into the fuel element or onto the surface thereof to form a treated fuel element, the incorporating step occurring before, during, or after said forming step; and optionally heating or irradiating the treated fuel element at a temperature and for a time sufficient to convert the catalyst precursor to a catalytic metal compound. Examples of metal-containing catalyst precursors include iron nitrate, copper nitrate, cerium nitrate, cerium ammonium nitrate, manganese nitrate, magnesium nitrate, and zinc nitrate. Fuel elements treated according to the invention, and smoking articles including such fuel elements, are also provided.

Abstract: There is provided a smoking article comprising an aerosol generating substrate and a mouthpiece attached to the aerosol generating substrate. The mouthpiece includes a segment comprising a filtration material comprising polylactic acid, and an additive for reducing phenols. The mouthpiece further comprises one or more wrappers circumscribing the segment, the one or more wrappers have a combined basis weight of at least about 50 grams per square metre (gm-2).

Abstract: There is provided an aerosol-generating article (10; 100) comprising an aerosol-generating substrate (12) and a mouthpiece (14) secured to the aerosol-generating substrate (12). The mouthpiece (14) comprises at least one filter segment (18, 20) and a substantially transparent tubular segment (22) defining an empty cavity extending substantially longitudinally through the substantially transparent tubular segment (22), wherein aerosol passing through the empty cavity during use of the aerosol-generating article (10; 100) is visible from the exterior of the aerosol-generating article (10; 100) through the substantially transparent tubular segment (22).

Abstract: The invention relates to a wrapping paper for smoking articles that contains pulp fibers and at least one acid-soluble filler, the content of acid-soluble filler being at least 10 wt % relative to the entire mass of the wrapping paper, and the wrapping paper having portions with a lower transparency and portions with a higher transparency.

Abstract: The present invention relates to microalgal food products with acceptable sensory characteristics and methods of producing the food products. The flour can be produced by cultivating microalgal cells of a strain of Chlorella protothecoides under conditions of acceptable pH and dissolved oxygen to produce a desired amount of lipid. The microalgal cells can be lysed, heat-treated, washed and dried to produce a microalgal flour that can be incorporated into a variety of products.

Abstract: A smoking article (10, 20) comprises a flavor release segment (12). The flavor release segment (12) comprises a plug of fibrous material circumscribed by a substantially air impermeable wrapper and a plurality of solid menthol particles distributed within the plug of fibrous material. The fibrous material comprises randomly oriented fibers. Preferably the smoking article (10, 20) comprises a mouthpiece (4), wherein the mouthpiece (4) comprises the flavor release segment (12).

Abstract: In accordance with the purpose(s) of the present disclosure, as embodied and broadly described herein, embodiments of the present disclosure, in one aspect, relate to materials that can be used for gas (e.g., CO2) capture, methods of making materials, methods of capturing gas (e.g., CO2), and the like.

Abstract: A smoking article (10) incorporates a mouthpiece (14), the mouthpiece includes an open pore structure converted from an organic gel and a functional material dispersed in the open pore structure, such as aerogel particles (20).

Abstract: Smoke filters that reduce the concentration of carbon monoxide and phenols in a smoke stream may include a porous mass section comprising a plurality of active particles, a plurality of binder particles, and an active coating disposed on at least a portion of the active particles and the binder particles, wherein the active particles and the binder particles are bound together at a plurality of contact points; and a filter section. In some instances, a filter may include a porous mass section comprising a plurality of active particles and a plurality of binder particles, wherein the active particles and the binder particles are bound together at a plurality of contact points without an adhesive; and a filter section comprising an active dopant.

Abstract: A method and a device for producing a mouthpiece cover (2) and/or a filter wrap of a cigarette, a mouthpiece cover material and/or a filter wrap material being provided with at least one inspection hole (4) of a definable shape.

Abstract: A process for the preparation of a pharmaceutically effective extract from the cyanobacterium Arthrospira sp. having the following steps: extrusion of a powder containing Arthrospira sp. with the addition of water; extraction of the extrudate with an organic solvent; and provision of the extract as a pharmaceutically effective composition.

Abstract: [Object] To provide a porous carbon material that is able to adsorb desired substances efficiently. [Solving Means] A porous carbon material of the present invention uses peat as a raw material, and has a total of volumes of fine pores having a diameter of from 1×10?8 m to 2×10?7 m, obtained by non-localized density functional theory method, of 0.5 cm3/g or more, or has a volume of fine pores obtained by BHJ method of 0.5 cm3/g or more.

Abstract: A composite particle comprises a cellulose acetate and at least one amino compound selected from the group consisting of an amino acid and an aminosulfonic acid.

Abstract: The invention relates to devices and methods for delivering nicotine and/or other alkaloids from tobacco, other plants and other natural sources. More particularly, the invention relates to devices and methods for delivering an aerosol of nicotine to a user's lungs without combustion of the nicotine source materials.

Abstract: A cigarette filter containing a mesoporous silicate molecular sieve modified by an aminoalkylsilyl group. The modified molecular sieve reacts with selected components of cigarette smoke to remove or reduce the concentration of the components without adversely affecting desirable flavor constituents of the smoke. The modified molecular sieve preferably is SBA-15, MCM-41 or MCM-48 modified by 3-aminopropylsilyl groups. The modified molecular sieve may be incorporated into the filter by inclusion into a space therein or into one or more of the filter elements or into a fibrous component.

Abstract: The invention relates to a special, highly efficient cigarette filter. In particular, the invention relates to a new cigarette filter, in which materials of natural origin not used before in this special field are applied. More particularly, the present invention relates to a special, highly efficient cigarette filter, which can be used favorably for adsorbing the toxic components of the cigarette smoke, and neutralizing the free radicals produced during burning of the cigarette.

Abstract: A smoking article (10) incorporates a mouthpiece (14), the mouthpiece includes an open pore structure converted from an organic gel and a functional material dispersed in the open pore structure, such as aerogel particles (20).

Abstract: The invention relates to smoking articles (10) comprising a rod of smokeable material (11) and a filter (12) attached to one end of the rod, said filter comprising at least two sections and being wrapped in a porous plug wrap, wherein a first tipping wrapper (14) overlies the join between the rod of smokeable material and the filter, and at least one additional tipping wrapper (15) is provided around the filter, spaced from and separate to the first tipping wrapper such that a portion of the porous plug wrap is exposed between the first and at least one additional tipping wrapper, and wherein the tipping wrappers are normally less porous than the plug wrap. However if the tipping wrappers are more porous than the plug wraps, the split tipping will still retain its functionality.

Abstract: The present invention relates to improvements in filters for use in smoking articles such as cigarettes, cigars and cigarillos. The improvements, particularly but not exclusively, relate to filter capabilities and to the manufacture of such filters. In one example, a filter for a smoking article comprises randomly oriented discrete short length fibres of absorbent having adsorbent particles dispersed therein. The invention also provides a filter for a smoking article comprising various other filter arrangements including absorbent and/or adsorbent materials.

Abstract: Filters and cigarettes include an activated carbon sorbent capable of selectively removing nitric oxide from mainstream tobacco smoke. Methods for making cigarette filters and cigarettes using the activated carbon sorbent and methods for treating mainstream tobacco smoke produced by smoking a cigarette comprising the sorbent are also provided.

Abstract: A filter (11) for a smoking article (10) comprises a first flowpath (13) through the filter, a second flowpath (14) through the filter, the second flowpath being disposed around the first flowpath, and a selector (16) for allowing flow selectively through the first and second flowpaths.

Abstract: 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 the cytotoxicity of gas phase or particulate matter by evolving ammonia at temperatures greater than about 200° C., wherein the ammonia can interact with the particulate matter. Additionally, the high-temperature ammonia-release agents can be formed by heating an aqueous mixture of an iron precursor compound, an ammonia source compound and an acid.

Abstract: Described herein are compositions and methods for capturing carbonylic or phenolic toxicants, or converting these toxicants into less volatile compounds. The toxicants, which may be a component of cigarette smoke, may be captured by physical or chemical adsorption, absorption, or entrapment.

Abstract: Electrically heated cigarettes used in an electrical smoking system include a flavoring-release additive and sorbent effective to remove one or more gas-phase constituents of mainstream tobacco smoke. The flavoring-release additive includes gamma cyclodextrin and at least one flavoring. Flavoring is released in a cigarette upon the flavoring-release additive reaching at least a minimum temperature during smoking. The flavoring-release additive can have various forms including, for example, powder and films.

Abstract: Smoking articles having reduced ignition proclivity characteristics are disclosed. The smoking articles include a wrapper comprising cellulosic fibers and a filler. In accordance with the present disclosure, the filler has a particle size of at least about 3.2 microns and is present in the wrapper in an amount less than about 20% by weight. Further, the wrapper may have a basis weight of less than about 23 gsm and a permeability of from about 15 Coresta to about 110 Coresta. It has been discovered that such wrappers are capable of reducing the ignition proclivity characteristics of a smoking article. If desired, the particular wrapper as described above can also contain discrete areas treated with an ignition reducing composition which further serves to reduce the ignition proclivity characteristics of the article.

Abstract: 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.

Abstract: A filtered cigarette possesses a smokable rod and a filter element. The filter element possesses a segment incorporating filter material (e.g., cellulose acetate tow) having carbonaceous material (e.g., activated charcoal particles) or other adsorbent dispersed throughout the filter material, and encapsulated flavoring agent (e.g., flavor-containing microcapsules) dispersed throughout the filter material.

Abstract: A filter element for use in a smoking article and providing filtration of particulate material and gaseous components of mainstream smoke is provided. The filter element includes a segment of fibrous tow comprising a plurality of individual filaments, wherein each individual filament includes a plurality of adsorbent material particles at least partially encapsulated with a removable encapsulant imbedded therein. The individual filaments may further include an outer coating that provides a plurality of reactive groups adapted for reaction with one or more components of mainstream smoke. Alternatively, the multifunctional filter element combines different fibrous filter materials, such as cellulose acetate or polyolefin filaments combined with activated carbon filaments and at least one of ion exchange filaments and catalytic filaments.

Abstract: Cut filler compositions, cigarettes, methods for making cut filler compositions and cigarettes, and methods for treating mainstream tobacco smoke of cigarettes are provided that use catalyst particles capable of converting carbon monoxide to carbon dioxide. The catalyst particles are supported on tobacco powder. The tobacco powder supported catalyst particles can be prepared by dry admixing the catalyst particles and tobacco powder or by combining a dispersion of catalyst particles with the tobacco powder.

Abstract: Immobilized nitronyl nitroxide active sites on the surface of a porous inorganic oxide support act as efficient and rapid oxidants for NO, reacting with >99% of the NO under flow conditions through a packed bed; and, in a parallel configuration with nitroxyl radical active sites, act to remove >99 % of both NO and NO2 from a gas mixture, with >95% of the active sites participating in NOx trapping.

Abstract: A low sidestream smoke cigarette comprises a conventional tobacco rod, and a combustible treatment paper having a sidestream smoke treatment composition. The treatment composition comprises in combination, an oxygen storage and donor metal oxide oxidation catalyst and an essentially non-combustible finely divided porous particulate adjunct for said catalyst.

Abstract: Filters and cigarettes include an activated carbon sorbent capable of selectively removing nitric oxide from mainstream tobacco smoke. Methods for making cigarette filters and cigarettes using the activated carbon sorbent and methods for treating mainstream tobacco smoke produced by smoking a cigarette comprising the sorbent are also provided.

Abstract: A method for forming a polycomponent fiber comprising a first, fiber-forming component comprising a polymer, and a second, component comprising an active ingredient that will selectively reduce or remove components of tobacco smoke, the method comprising the steps of: i. forming a dispersion, second solution or liquid comprising the second component; and ii. coextruding the first component and the dispersion, second solution or liquid through a jet or aperture to form a fiber comprising a first portion formed from the first component, and a second portion formed from the second component.

Abstract: A large variety of electrospun fibers can be produced to encapsulate a large variety of additives within the subcompartments or substructures of the manufactured electrospun fiber. Furthermore, the manufactured electrospun fibers can be electrostatically arranged within a filter component of a smoking article during the manufacturing process. By modifying the various parameters that control the electrospinning process, a diverse set of electrospun fibers can be manufactured that vary in composition, in substructural organization, and in dimension. The electrospun fiber produced by electrospinning comprises at least one type of polymeric material that encapsulates or supports the retention of at least one type of a flavorant or a non-flavorant within the electrospun fiber. A polymeric material provides a supporting structure for encapsulating at least one type of a flavorant or a non-flavorant.

Abstract: Cut filler compositions, smoking articles such as cigarettes, methods for making cigarettes and methods for treating cigarette smoke are provided, which involve the use of metal-containing nanowires. The metal-containing nanowires are capable of removing at least one constituent from tobacco smoke, preferably in a selective manner. The metal-containing nanowires may comprise any suitable metal, metal oxide or mixtures thereof. For example, the metal-containing nanowires comprise at least one transition or lanthanide metal or metal oxide thereof. Exemplary metals or metal oxides thereof include, but are not limited to, iron, copper, zinc, titanium, vanadium, palladium, cobalt, molybdenum and manganese.

Abstract: The invention concerns a paper for smoking article, in particular for a cigarette, comprising areas treated with a coating formulation adapted to reduce the ignition propensity of said treated areas which comprises nanoparticles of cellulose having a median dimension (d50) equal to or less than five micrometers.

Abstract: This invention provides for reducing free-radicals from cigarette smoke by using a filter impregnated by an extract of a rosemary plant in oil, containing carnosol, rosmanol, rosmadial, carnosic acid, genkwanin and rosmarinic acid. The extract is obtained by extraction with an alcoholic solvent or an aqueous alcoholic solvent, followed by extraction with a supercritical fluid.

Abstract: A tobacco smoking mixture including an ammonia-release compound adapted to be formed into a lit-end cigarette is provided. The ammonia-release compound is incorporated in or on tobacco cut filler in an amount effective to reduce the cytotoxicity, and/or selective smoke constituents of cigarette smoke. Exemplary ammonia-release compounds include ammonium acetate, ammonium hydroxide, hexammine cobalt (III) chloride, hexammine cobalt (III) acetate, and combinations thereof. The ammonia-release compounds can release ammonia at temperatures between about 60° C. and about 400° C. Ammonia-release compounds can be combined with additives, such as glycerine, cobalt acetate, copper (II) acetate, zinc acetate, other metal salts or combinations thereof, to further reduce the cytotoxicity of cigarette smoke.

Abstract: Disclosed are filters, smoking devices, related articles and apparatus, and related methods. The filters include porous masses that have an active particle and a binder particle, wherein the active particle comprises carbon and the porous mass has a carbon loading of at least about 6 mg/mm and an encapsulated pressure drop of about 20 mm of water or less per mm of porous mass.

Abstract: A smoking article having a heat source at a first end of the smoking article and a catalyst adjacent to the heat source. The catalyst is capable of catalyzing carbon monoxide from the heat source to carbon dioxide and water. A filter segment is located at a second end of the smoking article opposite the first end with an aerosol generating segment disposed between the catalyst and the filter segment.

Abstract: The invention provides a modified adsorbent material impregnated with a metal oxide, which can be used in a filter element adapted for use in a smoking article. The modified adsorbent material exhibits increased filtration efficiency with respect to certain gas phase species of mainstream cigarette smoke. Exemplary adsorbent materials that can be modified according to the invention include activated carbon, molecular sieves, clays, ion exchange resins, activated aluminas, silica gels, meerschaum, and mixtures thereof. One example of a metal oxide is cerium oxide. Impregnation with a metal oxide can be accomplished by directly treating the adsorbent with a metal oxide or impregnating the adsorbent with a metal oxide precursor, such as cerium nitrate, followed by calcining the impregnated material to convert the precursor to the desired metal oxide. Methods of forming the modified adsorbent material and smoking article filters incorporating the modified adsorbent material are also provided.

Abstract: 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 particles of an oxide of a second metal, the first metal being different than the second metal. The starting material can comprise first and second metals or compounds of the first and second metals. The composite nanoscale particles can be formed in a reaction chamber wherein a temperature gradient is provided. The atmosphere in the chamber can be an inert atmosphere comprising argon or a reactive atmosphere comprising oxygen. The composite nanoscale particles are useful for low-temperature and near-ambient temperature catalysis.

Abstract: The invention provides a method for making a fuel element for a smoking article comprising forming a combustible carbonaceous material into a fuel element adapted for use in a smoking article; incorporating a metal-containing catalyst precursor into the fuel element or onto the surface thereof to form a treated fuel element, the incorporating step occurring before, during, or after said forming step; and optionally heating or irradiating the treated fuel element at a temperature and for a time sufficient to convert the catalyst precursor to a catalytic metal compound. Examples of metal-containing catalyst precursors include iron nitrate, copper nitrate, cerium nitrate, cerium ammonium nitrate, manganese nitrate, magnesium nitrate, and zinc nitrate. Fuel elements treated according to the invention, and smoking articles including such fuel elements, are also provided.

Abstract: The present invention is directed to smoking articles having reduced carbon monoxide delivery are described. A carbon monoxide reducing agent is incorporated into the smoking article in order to reduce carbon monoxide levels in mainstream smoke. The carbon monoxide reducing agent may be, for instance, in metal oxide or in metal carbonate. The carbon monoxide reducing agent may be incorporated into a wrapper and/or into a column of smokable filler that are used to construct the smoking article.

Abstract: A method for forming a filter rod may include providing a bale of crimped tow band having about 10 denier per filament or greater and about 20,000 total denier or less, the crimped tow band comprising a plurality of cellulose acetate filaments; and placing the crimped tow band in an apparatus so as to form a filter rod.