Abstract: A capsule for use in a smoking article includes a liquid sensory enhancing material; and a shell surrounding the liquid sensory enhancing material. The shell has an outer surface rendered hydrophobic by hydrophobic groups covalently bond to the outer surface of the shell. The shell may be rendered hydrophobic by reacting hydroxyl groups at outer surface of the shell with fatty acid halides to covalently attach fatty acid moieties to the surface of the capsule.

Abstract: A method of producing an aerosol-generating element for an aerosol-generating article or system is provided, the method including the steps of: preparing a matrix polymer solution including a matrix-forming polymer in water; adding a plurality of aerosol-generating formulation components to the matrix polymer solution to form an aerosol-generating solution, in which the aerosol-generating formulation components include a polyhydric alcohol and at least one alkaloid or cannabinoid, and in which the aerosol-generating solution includes at least 0.5 percent by weight of the at least one alkaloid or cannabinoid; forming a discrete portion of the aerosol-generating solution; adding the discrete portion of the aerosol-generating solution to a cross-linking solution of multivalent cations to cross-link the matrix-forming polymer; and removing the aerosol-generating element from the cross-linking solution and drying the aerosol-generating element.

Abstract: An aerosol-generating element for an aerosol-generating article or system is provided, the element including: a solid continuous matrix structure; and an aerosol-generating formulation dispersed within the structure, in which the formulation is trapped within the structure and releasable from the structure upon heating of the element, in which the structure is an alginate matrix, in which the formulation consists of: nicotine from 1% by weight to 4% by weight of a total weight of the element, glycerin from 60% by weight to 80% by weight of the total weight of the element, a carboxylic acid from 0.5% by weight to 4% by weight of the total weight of the element, and balance water, in which the formulation dispersed within the structure is at least about 80% by weight of a total weight of the element, and in which the element includes less than 15% by weight of water.

Abstract: An aerosol-generating element for an aerosol-generating article or system is provided, the aerosol-generating element including: a solid continuous matrix structure; and an aerosol-generating formulation dispersed within the structure, in which the formulation is trapped within the structure and releasable from the structure upon heating of the aerosol-generating element, in which the structure is a polymer matrix including one or more matrix-forming polymers, in which the formulation dispersed within the structure includes at least one alkaloid or cannabinoid compound and a polyhydric alcohol, in which a polyhydric alcohol content in the formulation dispersed within the structure accounts for at least 30 percent by weight based on a total weight of the aerosol-generating element, and in which the aerosol-generating element has an equivalent diameter of at least about 0.5 millimetres and an ovality from about 2 percent to about 30 percent.

Abstract: A container for an aerosol-generating device is provided, including: a first compartment being sealed and tubular, and including a nicotine source; a second compartment being sealed and tubular, and including a delivery enhancing compound; and a transfer section disposed between the first compartment and the second compartment, at least one of the first compartment and the second compartment including a recessed end, and the transfer section being formed by a recess when one end of the first compartment abuts one end of the second compartment.

Abstract: An aerosol-generating article (10) includes a mouthpiece (14) comprising at least one segment of filter material (18,20) and a liquid delivery element (22). The liquid delivery element (22) comprises: an upstream end and a downstream end; a double-walled annular body portion (28) comprising: an inner wall (34) defining a longitudinal channel (38) extending through the liquid delivery element (22); and an outer wall (32) integrally formed with the inner wall (34), the outer wall (32) circumscribing the inner wall (34) such that a cavity (36) is defined between the outer wall (32) and the inner wall (34), the cavity (36) having an opening in at least one of the upstream end and the downstream end and containing a liquid; and annular sealing means (40) inserted between the inner wall (34) and the outer wall (32) of the annular body portion (28) to provide a liquid tight seal at the opening or openings of the cavity (36).

Abstract: A capsule for use in a smoking article includes a liquid sensory enhancing material; and a shell surrounding the liquid sensory enhancing material. The shell has an outer surface rendered hydrophobic by hydrophobic groups covalently bond to the outer surface of the shell. The shell may be rendered hydrophobic by reacting hydroxyl groups at outer surface of the shell with fatty acid halides to covalently attach fatty acid moieties to the surface of the capsule.

Abstract: A container for an aerosol-generating device is provided, including a first compartment including a nicotine source, a second compartment including a delivery enhancing compound, and a transfer section disposed between the first compartment and the second compartment, the first and second compartments being formed from a laminate material including at least one layer of cardboard material and at least one layer of polymeric material, the layer of polymeric material forming an internal surface of the compartments. There is also provided a container where at least one of the first compartment and the second compartment comprises a recessed end, wherein the transfer section is formed by a recess when one end of the first compartment abuts one end of the second compartment. An aerosol-generating system is also provided, including an aerosol-generating device configured to receive the container.

Abstract: A smoking article includes a smokable material and a filter downstream of the smokable material. The filter comprises a capsule having a core and a breakable shell. The core has a mixture including one or more lipid compounds and one or more humectants. The lipid compounds account for 50% or more of the weight of the mixture. At least one of the one or more humectants is capable of interacting with one or more smoke constituents to reduce the concentration of the one or more smoke constituents in mainstream smoke.

Abstract: A capsule (120) for use in a smoking article includes a liquid sensory enhancing material; and a shell surrounding the liquid sensory enhancing material. The shell has an outer surface rendered hydrophobic by hydrophobic groups covalently bond to the outer surface of the shell. The shell may be rendered hydrophobic by reacting hydroxyl groups at outer surface of the shell with fatty acid halides to covalently attach fatty acid moieties to the surface of the capsule.

Abstract: There is provided an aerosol-generating article (10) comprising an aerosol-generating substrate (12) and a mouthpiece (14) secured to a downstream end of the aerosol-generating substrate (12). The mouthpiece (14) comprises at least one segment of filter material (18) and a liquid delivery element (22). The liquid delivery element (22) comprises an upstream end and a downstream end, a cavity (28) containing a liquid, and at least one channel (26) extending between the upstream end and the downstream end of the liquid delivery element (22). The liquid delivery element (22) is arranged to deliver the liquid to the at least one segment of filter material (18) when activated by a consumer.

Abstract: A smoking article (10) incorporates a liquid release component of a sustained release liquid delivery material (20), the liquid delivery material comprising a closed matrix structure having a polymer matrix defining a plurality of domains. A liquid composition is trapped within the domains and is releasable from the closed matrix structure upon compression of the liquid release component. The polymer matrix is formed of one or more anionic polysaccharides cross-linked by multivalent cations. A filler comprising one or more amphiphilic polysaccharides is incorporated within the polymer matrix. The one or more amphiphilic polysaccharides of the filler are selected from starch chemically modified to be amphiphilic and starch derivatives chemically modified to be amphiphilic.

Abstract: A container for an aerosol-generating device is provided, including: a first compartment being sealed and tubular, and including a nicotine source; a second compartment being sealed and tubular, and including a delivery enhancing compound; and a transfer section disposed between the first compartment and the second compartment, at least one of the first compartment and the second compartment including a recessed end, and the transfer section being formed by a recess when one end of the first compartment abuts one end of the second compartment.

Abstract: A smoking article (10) incorporates a liquid release component (20), the liquid release component comprising an inner core of a sustained release liquid delivery material and a frangible outer shell encapsulating the inner core. The liquid delivery material comprises a closed matrix structure comprising a cross-linked polymer matrix defining a plurality of domains; and a liquid composition that is trapped within the domains and is releasable from the closed matrix structure upon compression of the material. The frangible outer coating comprises at least one film-forming polymer and at least one plasticiser.

Abstract: A smoking article (10) incorporates a liquid release component (20), the liquid release component comprising a sustained release liquid delivery material comprising: a closed matrix structure comprising a cross-linked polymer matrix defining a plurality of domains; and a liquid composition that is trapped within the domains and is releasable from the closed matrix structure upon compression of the material. The force/displacement curve (30) obtained upon compression of the smoking article (10) at the location of the liquid release component (20) in a force/displacement test comprises a plurality of local minima (32) in the force level over a range of compression of at least 1 mm, wherein each of the local minima (32) corresponds to a reduction in the force level of at least 1 Newton.

Abstract: An aerosol-generating article (10) includes a mouthpiece (14) comprising at least one segment of filter material (18,20) and a liquid delivery element (22). The liquid delivery element (22) comprises: an upstream end and a downstream end; a double-walled annular body portion (28) comprising: an inner wall (34) defining a longitudinal channel (38) extending through the liquid delivery element (22); and an outer wall (32) integrally formed with the inner wall (34), the outer wall (32) circumscribing the inner wall (34) such that a cavity (36) is defined between the outer wall (32) and the inner wall (34), the cavity (36) having an opening in at least one of the upstream end and the downstream end and containing a liquid; and annular sealing means (40) inserted between the inner wall (34) and the outer wall (32) of the annular body portion (28) to provide a liquid tight seal at the opening or openings of the cavity (36).

Abstract: A capsule (120) for use in a smoking article includes a liquid sensory enhancing material; and a shell surrounding the liquid sensory enhancing material. The shell has an outer surface rendered hydrophobic by hydrophobic groups covalently bond to the outer surface of the shell. The shell may be rendered hydrophobic by reacting hydroxyl groups at outer surface of the shell with fatty acid halides to covalently attach fatty acid moieties to the surface of the capsule.

Abstract: A method for the production of a flavor granule for a smoking article comprises the steps of: a) forming an inner core by compaction of particles of herbaceous plant material; b) providing a coating suspension of colored binder particles comprising at least one colorant and at least one polymeric binder in a solvent; c) applying the coating suspension to the outer surface of the inner core to form an outer layer, wherein the coating suspension is applied to the inner core within a coating system and wherein within that coating system the vapor pressure of the solvent is greater than 5 kPa; and d) drying the outer layer to evaporate the solvent.

Abstract: There is provided a smoking article (100) incorporating an additive delivery system. The additive delivery system comprises a frangible capsule (110) comprising a breakable shell containing a liquid core. The shell can be broken by means of a pressure to release a single burst of the liquid core. Further, the additive delivery system comprises a sustained-release liquid delivery material (111) comprising a liquid composition. The liquid composition is releasable in discrete amounts from the liquid delivery material upon compression of the liquid delivery material so as to selectively combine the first and second additive. The frangible capsule and the sustained-release liquid delivery material are spaced apart, such that a consumer can separately and selectively activate the release of additive from either component of the delivery system.

Abstract: An aerosol-generating article (10) comprises an aerosol-generating substrate (12) and a mouthpiece (14) secured to a downstream end of the aerosol-generating substrate (12), the mouthpiece (14) comprising at least one segment of filter material (18, 20) and a liquid delivery element (22). The liquid delivery element (22) comprises: an upstream end and a downstream end; a deformable outer container (28) having at least one flexible wall (32) defining a cavity (40), the cavity (40) containing a liquid (42); and a frangible tubular element (30) mounted within the cavity (40) of the deformable outer container (28) and defining a longitudinal channel (46) extending through the deformable outer container (28) between the upstream end and the downstream end of the liquid delivery element (22).