Abstract: An aerosol generation system includes a tobacco medium accommodation portion and a moisturizer accommodation portion located at an upstream end or a downstream end of the tobacco medium accommodation portion. In addition, an aerosol generation system includes an aerosol generation device including an elongated cavity for accommodating the cigarette, a first heater for heating the tobacco medium accommodation portion, and a second heater for heating the moisturizer accommodation portion.

Abstract: A bead delivery disk, system and method of delivering flavor beads to a tobacco rod or tow including a bead source, a bead delivery disk in communication with the bead source, including a central disk portion having front and back sides and a first central thickness, an inner annular rim around the central disk portion, the inner annular rim having a second thickness less than said first thickness, a series of pockets spaced around the inner annular rim and multiple vacuum transmission apertures located on one side of the disk, each aperture communicating with at least one of the pockets.

Abstract: A smoking article (10) comprises a tobacco rod (11) and a filter (12) in axial alignment with the tobacco rod (11). Tipping wrapper (16) circumscribes at least a portion of the filter (12) and at least a portion of the tobacco rod (11) to secure the filter (12) in axial alignment with the tobacco rod (11). The filter (12) comprises a hollow tubular element (13) at the upstream end of the filter (12) adjacent to the tobacco rod (11) and a first segment of filtration material (15) downstream from and adjacent to the hollow tubular element (13). The tipping wrapper (16) comprises a line of weakness (17) disposed at, or within 5 millimetres upstream of, the interface between the hollow tubular element (13) and the tobacco rod (11). The tobacco rod (11), the first segment of filtration material (15) and the inner surface of the hollow tubular element (13) together define a cavity (14).

Abstract: This invention relates to a lyocell material for a tobacco filter and a method of manufacturing the same, and more particularly to a lyocell fiber having a modified cross-section for a tobacco filter, wherein the cross-sectional shape of a monofilament contained in a lyocell fiber is controlled to increase the external surface area of the fiber, after which then crimps are formed, thereby exhibiting properties equal or superior to those of conventional lyocell materials, even when used in a small amount.

Abstract: Apparatuses are provided for manufacturing a rod member for a cigarette filter element. Each rod member defines a longitudinal axis and includes a generally longitudinally-extending filter material and a plurality of objects disposed therein along the longitudinal axis. Such an apparatus comprises a rod-forming unit configured to form a continuous supply of a filter material into a continuous cylindrical rod member. An object insertion unit is configured to introduce a plurality of objects into engagement with the rod member. A rod-dividing unit is configured to divide the rod member into a plurality of rod portions such that each rod portion includes a plurality of the objects. Associated methods are also provided.

Abstract: A filter for a smoking article comprises a mouth end filter segment and a rod end filter segment. The rod end filter segment has a passage extending longitudinally therethrough. The passage has a diameter of about 1.0 mm or greater. In one embodiment, the rod end filter segment is comprised of an infinite pressure drop material. In another embodiment, the rod end filter segment is comprised of a low pressure drop material having a hollow tubular element disposed within to define the passage with an inner diameter greater than about 1.55 mm. Air dilution means are disposed in one of said filter segments to admit ventilating air into the filter.

Abstract: A porous carbon material suitable for incorporation in smoke filters for cigarettes has a BET surface area of at least 800 m2/g and a pore structure that includes mesopores and micropores. The pore volume (as measured by nitrogen adsorption) is at least 0.9 cm3/g and from 15 to 65% of the pore volume is in mesopores. The pore structure of the material provides a bulk density generally less than 0.5 g/cc. The material may be produced by carbonizing and activating organic resins and may be in the form of beads for ease of handling.

Abstract: The invention provides a filter element of a smoking article having a longitudinal axis and adapted for filtration of mainstream smoke generated by the smoking article, the filter element including a first region extending along the longitudinal axis of the filter element and exhibiting a first pressure drop and a second region extending along the longitudinal axis of the filter element and exhibiting a second pressure drop lower than said first pressure drop, wherein the first and second regions are arranged in a side-by-side configuration such that both regions are visible in a cross-section of the filter element perpendicular to the longitudinal axis, and wherein mainstream smoke can move from the second region into the first region, and further comprising a smoke-altering material, such as an oxidation catalyst, positioned in the first region.

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 for smoking includes a filter medium, and a means for heating the filter medium or a periphery of the filter medium.

Abstract: A smoking article comprising at least two of: (a) a tobacco blend comprising one or more tobaccos or tobacco grades with low TSNA and/or metal content; (b) a tobacco blend that has been treated to remove polyphenols and/or peptides; (c) a tobacco substitute sheet comprising a non-combustible inorganic filler, a binder and an aerosol generating means; (d) a high activity carbon comprising a polymer-derived carbon material; and (e) an amine-functionalised chelating resin.

Abstract: A filter (3) for a smoking article (1) comprises one or more segments (4a, 4b, 4c) of filtration media and a substantially transparent wrapper (5). The one or more filter segments (4a, 4b, 4c) and the wrapper (5) define a recess or cavity in the filter (3). An anchoring adhesive (7) is provided to secure the one or more filter segments (4a, 4b, 4c) to the wrapper (5). The anchoring adhesive (7) is disposed exclusively between the wrapper (5) and portions of the one or more filter segments (4a, 4b, 4c) other than those corresponding to the recess or cavity.

Abstract: A method and article are provided for controlling an inner filter temperature of an aerosol-generating product or device to alter the aerosol taste characteristics. The method comprises selecting a heat adsorbing or reflecting material to apply to a filter of a smoking article, the heat adsorbing or reflecting material having one or more properties associated therewith; and applying the heat adsorbing or reflecting material to the filter, the at least one heat adsorbing or reflecting materials being configured to control the inner temperature of the filter.

Abstract: A smoking article having a cylindrical tube of smokable material having an outer wrapper, a concentric rod of smokable material coaxially positioned within the cylindrical tube of a smokable material, and an inner wrapper separating the cylindrical tube and the concentric rod. A filter attaches to the tobacco rod with an annular film positioned between the filter and the tobacco rod. The annular film increases the resistance-to-draw of the cylindrical tube during smoking.

Abstract: A filter for a cigarette comprises a porous filter rod (3) a material sheet (2) wrapped around the filter rod and a cellulose acetate thread (4) formed from substantially uncrimped cellulose acetate filaments. The cellulose acetate thread is positioned within the filter rod and extends along the central axis of the filter rod.

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 smoking article (10) comprising a first part (13) configured to be movable relative to a second part (11) of the smoking article. The first part (13) having a first engaging surface (31). The second part (11) having a second engaging surface (32), the second engaging surface engagable with the first engaging surface (31) to limit relative longitudinal movement between the first and second parts. The first engaging surface (31) and/or second engaging surface (32) is preferably formed on a folded over portion of sheet material.

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: A filter material adapted for use as a filter element of a smoking article is provided, the filter material including at least one segment of fibrous tow having a plurality of degradable particles dispersed therein, the degradable particles comprising a starch material. Exemplary starch materials include naturally-occurring starch, hydroxyalkylated starch, starch esters, ionically modified starch, oxidized starch, hydrolyzed starch, plasticized starch, gelatinized starch, grafted starch, crosslinked starch, transglycosylated starch, starch ethers, and mixtures thereof, as well as blends of starch with other polymers. Filter elements and smoking articles, such as cigarettes, that contain the filter material are also provided. A method of preparing polymer fibers for use in filter elements is also provided, the method including adding the starch material to a fiber precursor solution prior to fiber extrusion or dry-blending the starch material with the polymer material to be formed into fibers.

Abstract: Improved delivery of additive materials to cigarettes is provided through the use of one or more capsules containing additive materials, such as flavor components, in the filter section of a cigarette. The capsule or capsules are provided between first and second absorbent members and the capsules are subjected to an external force, such as squeezing, by a smoker prior to or during smoking of the cigarette in order to release at least a portion of the additive material and expose the additive material to mainstream smoke passing through the filter. The capsules provide a barrier between the additive materials and other cigarettes components, such as sorbents or filter materials, in order to reduce additive material migration into the other cigarette components prior to desired use. An outer cover which is impermeable to the fluid within the capsules is provided about the capsule or capsules and the first and second absorbent members.

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.

Abstract: A smoking article filter includes a valved flow restrictor and a cavity downstream of the flow restrictor. The flow restrictor includes an orifice or flow channel for directing smoke into the cavity. The filter is attached to the tobacco rod with tipping paper and includes an air-admissible ventilating zone at a location downstream of the restrictor. The valved restrictor can be used to isolate a sorbent bearing component of the filter from a flavor bearing component.

Abstract: Immobilized diluents in a smoking article are provided, wherein diluents can be immobilized through absorption and/or adsorption of the diluents into immobilizing materials, such as sorbents like silica gels. By immobilizing diluents, the diluents can be available for vaporization, while still being protected from migration and/or loss of the diluents in a smoking article.

Abstract: The invention relates to a smoking article incorporating a smoking material comprising three main components, namely a non-combustible inorganic filler, an alginic binder and aerosol generating means. The smoking material is combined with tobacco material, which may be treated with additional humectant, to provide a smoking article that has an aerosol transfer efficiency ratio of greater than 4.0.

Abstract: A filter (3) for a smoking article (1) comprises one or more segments (4a, 4b, 4c) of filtration media and a substantially transparent wrapper (5). The one or more filter segments (4a, 4b, 4c) and the wrapper (5) define a recess or cavity in the filter (3). An anchoring adhesive (7) is provided to secure the one or more filter segments (4a, 4b, 4c) to the wrapper (5). The anchoring adhesive (7) is disposed exclusively between the wrapper (5) and portions of the one or more filter segments (4a, 4b, 4c) other than those corresponding to the recess or cavity.

Abstract: A device designed to create a smoking area wherever the smoker is located. Furthermore, dramatically reducing or eliminating secondhand smoke exposure to people and the environment by giving smokers the option not to expose their surrounding by utilizing this invention. The three major components of the invention consist of (1) two types of handheld units which are known as horizontal handheld unit and vertical handheld unit. (2) The flexible tube that connects the other two components completing the suction system. And (3) the smoke elimination unit which contains the motor and fan. All three components together create one invention known as the smoking area.

Abstract: A fluid release mechanism for a smoking article comprises two longitudinally arranged parts (2,3), rotatable relative to one another from a first to a second position, a space to receive a fluid- containing member (4,5) and a contacting member (6,7) for contacting the fluid containing member in the second position, wherein the contacting member is arranged so that rotating from the first position to the second position causes relative angular movement between the contacting member and said space which causes the contacting member to enter the space for contacting and rupturing the fluid- containing member, thereby to release fluid.

Abstract: The invention provides a cigarette with a filter element comprising at least one longitudinally extending section of filter material. The section of filter material comprises a smoke-altering material therein that is useful for removing a quantity of vapor phase chemicals from the mainstream smoke. The section of filter material further comprises one or more tubes inserted into and extending through section of filter material. The one or more tubes each define a channel adapted for passage of mainstream smoke through the section of filter material while substantially avoiding contact of the portion of mainstream smoke therein with the smoke-altering material. The provision of a portion of mainstream smoke substantially unaltered by the smoke-altering material can be useful to retain certain desirable taste and other sensory properties of the mainstream smoke.

Abstract: A smoking article, which provides lower amounts of total particulate matter in a latter portion of its puff count, includes a cylinder of smoking material, a combustible hollow tube within the cylinder of smoking material, and a heat sink at a downstream end of the hollow tube. The smoking article also includes a filter system attached to the cylinder of smoking material having a sorbent material and at least one downstream segment of filtering material.

Abstract: A smoking article includes a tobacco rod adapted to produce mainstream smoke, and a filter having an upstream end and a downstream end, wherein the filter is arranged to receive mainstream smoke at the upstream end. The filter includes a tubular segment open at the downstream end thereof and a flow restrictor contained within the tubular segment. The filter is attached to the tobacco rod with tipping paper and includes an air-admissible ventilating zone at a location between the upstream end and the downstream end of the filter.

Abstract: According to at least one exemplary embodiment, a smoking article filter formed from cellulose acetate and including a wrapper is disclosed. The smoking article filter can include at least one chemical composition adapted to react with and decompose the cellulose acetate, contained within at least one carrier disposed within the smoking article filter.

Abstract: A smoking article having a tobacco rod, which is adapted to produce mainstream smoke, and a filter attached to said tobacco rod. A permeable wrapping paper circumscribes the tobacco rod and the filter. The filter has an upstream end portion and a downstream end portion, and includes a flow restricting segment of smoke impermeable material, which includes at least one open flow passage therethrough to deliver mainstream smoke, and a cavity downstream of the flow restricting segment. The smoking article also includes at least one ventilation zone upstream of the flow restricting segment.

Abstract: An apparatus and associated method for forming a filter rod member of a smoking article, such as a cigarette, is provided. The apparatus comprises a rod-forming unit configured to form a continuous supply of a filter material into a continuous cylindrical rod member. An insertion unit is configured to insert an adsorbent material carried by a carrier material into the rod member. The method comprises forming a continuous supply of a filter material into a continuous cylindrical rod member, and inserting an adsorbent material carried by a carrier material into the rod member such that the adsorbent material is disposed within the rod member.

Abstract: A filter element incorporating an adsorbent material is provided. The filter element may comprise a first section of filter material and a second section of filter material spaced apart to form a compartment therebetween. The compartment may be filled with one or more adsorbents or the compartment may be divided into two regions, wherein one compartment region is filled with an adsorbent and the other compartment region is either filled with an ion-exchange resin or remains empty. The section of filter material adjacent to the tobacco rod may include one or more channels therethrough for passaging smoke directly from the tobacco rod into the adsorbent-filled compartment. The mouth end section of filter material may contain a breakable capsule, wherein the breakable capsule is filled with a flavoring agent capable of altering the taste characteristics of mainstream smoke.

Abstract: The invention relates to a filter (10) for tobacco products with a first terminal filter element (12), a second terminal filter element (14), a middle filter element (16) which is located between first and second terminal filter element and contains a granular filter material, and a casing (20), one part of one of the terminal filter elements (12) being displaceable vis-à-vis the casing (20). The invention furthermore relates to smoking articles with such filters, filter strands with two or more of the filters, and processes and devices for the production of such filters and tobacco products.

Abstract: A smoking article (1) in which a patch of web material (7) such as paper containing an adsorbent material therein, such as activated carbon, is positioned towards the mouth end of the smoking article (1) to achieve a flatter puff profile compared to a conventional cigarette by decreasing the smoke constituents in the final few puffs. Characteristics of the smoking articles may be changed to increase the delivery of smoke constituents in the first few puffs in order to maintain a constant ISO NFDPM yield. The adsorbent-containing paper extends over only a portion of the smoking article towards the mouth end and does not comprise a flavourant therein.

Abstract: A smoking article such as a cigarette comprises a tobacco rod and a filter component having a cavity filled with spherical beaded carbon. As mainstream tobacco smoke is drawn through the filter component, targeted gas phase smoke constituents are removed as the smoke passes through the carbon. During the filter manufacturing process the spherical beaded carbon flows like a liquid and substantially completely fills the cavity. Point-to-point contact between the spherical beads together with substantially complete filling of the cavity produces minimal channeling of ambulatory gas phase as well as maximum contact between the gas phase and the carbon surface of the spherical beads during smoking.

Abstract: The present invention relates to smoking articles incorporating an improved filter in which the amount of smoke filtration varies with increased strength of draw. In particular, the filter comprises a plurality of passageways, at least one primary passageway I comprising a section of material which extends from the rod of smokable material to the mouth end of the smoking article and which has a high capacity to filter smoke and a high capacity to resist the passage of smoke. Via a series of small holes in an otherwise non-porous interface between the different passageways, smoke may be drawn between the primary passageway I and one or more secondary passageways II which have a low capacity to filter and resist the passage of smoke. At lower strengths of draw, smoke may become drawn through the small holes between the primary and secondary passageways.

Abstract: A smoking article having a tobacco rod of a smokable material and a filter system attached to the tobacco rod of smokable material. The filter system includes a first filter portion and a second filter portion, the second filter portion concentrically positioned with respect to the first filter portion and having a lower resistance to draw than the first filter portion during an initial puff on the smoking article. The second filter portion closes upon contact with the mainstream smoke of the initial puff, such that after the initial puff, the first filter portion has the lower resistance to draw.

Abstract: A multi-component filter for a smoking article comprises: a mouth end segment; a first flavor release segment comprising plant leaf upstream of the mouth end segment; and a second flavor release segment comprising filtration material and a flavorant upstream of the first flavor release segment. The resistance to draw of the second flavor release segment is greater than the resistance to draw of the first flavor release segment and the resistance to draw of the second flavor release segment is greater than the resistance to draw of the mouth end segment. The multi-component filter preferably further comprises a rod end segment comprising filtration material upstream of the second flavor release segment, which has a lower resistance to draw than the second flavor release segment.

Abstract: The present invention relates to plug wrap or tipping paper (5) for smoking articles (1). More particularly, the present invention relates to plug wrap or tipping paper for smoking articles, wherein the plug wrap and tipping paper comprises a sheet having two or more plies (10,11) and one of the plies comprises adsorbent material. The present invention also relates to a method of preparing the plug wrap and tipping paper, and smoking articles comprising the plug wrap and/or tipping paper.

Abstract: A filter element (214) for a smoking article comprising a plug of filter material (210) having a longitudinally extending surface (213), a wrapper (220) wrapped around the longitudinally extending surface of the plug of filter material and a tobacco product (240) located between the longitudinally extending surface of the plug of filter material and the wrapper so as to cover at least a part of the longitudinally extending surface.

Abstract: The present invention related to wrappers (4) for smoking material rods. More particularly, the present invention relates to wrappers for smoking material rods, wherein the wrappers comprise a single sheet having two or more plies (10, 11) and one of the plies contains adsorbent material and flavourant. The present invention also relates to a method of preparing the wrapper/and to smoking articles (1) comprising the wrapper.

Abstract: A process for the on line production of cigarette filters comprises the steps of conveying a continuous thin flexible substrate past a source of smoke altering particulate material, such as adsorbents, catalysts and flavorants. An electrostatic charge is applied onto the substrate upstream of the source of particulate material. A layer of particulate material from the source is deposited onto the substrate with the thickness of the layer depending upon the strength of the electrostatic charge. The coated substrate is then cut into pieces, and the pieces are placed into the cavities between spaced apart filter components. In an alternative process, filter paper is coated with smoke altering particulate material by electrostatic deposition techniques, and spaced apart filter components are placed onto the particulate coated filter paper which is then folded around the filter components.

Abstract: A filtered cigarette possesses at least one breakable capsule in its filter element. The filter element can possess a central cavity extending from the cigarette tobacco rod towards the middle of the filter element. The central cavity may be defined by an inner filter portion. The inner filter portion can be surrounded by an outer filter portion comprised of filter tow material that is generally permeable to the smoke generated by the cigarette. At least one breakable capsule is disposed in the central cavity of the filter element. The breakable capsules are spherical in shape, and are composed of a gelatin outer shell that encloses a payload of triglycerides and flavoring agents. The breakable capsules are adapted to rupture in response to pressure applied by the smoker to the outside region of the filter element.

Abstract: A cigarette having a multi-component filter wherein an upstream sorbent removes at least one constituent from mainstream tobacco smoke passing through the filter and a downstream flavor segment compensates for taste lost to the sorbent. The flavor component includes cellulosic flavor bearing granules which release volatile flavor constituents into the mainstream smoke under ambient conditions. The cellulosic granules include microcrystalline cellulose or other cellulosic material which can be formed into a paste with the flavor additive, extruded and spheronized to form the flavor granules.

Abstract: A filter element incorporating an adsorbent material is provided. The filter element may comprise a first section of filter material and a second section of filter material spaced apart to form a compartment therebetween. The compartment may be filled with one or more adsorbents or the compartment may be divided into two regions, wherein one compartment region is filled with an adsorbent and the other compartment region is either filled with an ion-exchange resin or remains empty. The section of filter material adjacent to the tobacco rod may include one or more channels therethrough for passaging smoke directly from the tobacco rod into the adsorbent-filled compartment. The mouth end section of filter material may contain a breakable capsule, wherein the breakable capsule is filled with a flavoring agent capable of altering the taste characteristics of mainstream smoke.

Abstract: A filter cigarette comprising a tobacco rod which is circumscribed by a cigarette paper and a filter, said filter comprising a tobacco-side filter element and a mouth-side filter element, said filter cigarette having a diameter of about 4 mm to about 7 mm, yielding a smoke yield of 1 mg condensate or less and yielding a nicotine yield of 0.2 mg or less. The filter cigarette is characterized in that the overall length of the filter is about 25 mm to about 40 mm, the length of the tobacco-side filter element is about 10 mm to about 25 mm and the tobacco-side filter element comprises a ventilation zone.

Abstract: A smoking article such as a cigarette comprises a tobacco rod and a filter component having a cavity filled with spherical beaded carbon. As mainstream tobacco smoke is drawn through the filter component, targeted gas phase smoke constituents are removed as the smoke passes through the carbon. During the filter manufacturing process the spherical beaded carbon flows like a liquid and substantially completely fills the cavity. Point-to-point contact between the spherical beads together with substantially complete filling of the cavity produces minimal channeling of ambulatory gas phase as well as maximum contact between the gas phase and the carbon surface of the spherical beads during smoking.

Abstract: A smoking article such as a cigarette comprises a tobacco rod and a filter component having a cavity filled with spherical beaded carbon. As mainstream tobacco smoke is drawn through the filter component, targeted gas phase smoke constituents are removed as the smoke passes through the carbon. During the filter manufacturing process the spherical beaded carbon flows like a liquid and substantially completely fills the cavity. Point-to-point contact between the spherical beads together with substantially complete filling of the cavity produces minimal channeling of ambulatory gas phase as well as maximum contact between the gas phase and the carbon surface of the spherical beads during smoking.