Abstract: The present disclosure relates to aerosol delivery devices, methods of forming such devices, and elements of such devices. In some embodiments, the present disclosure provides devices configured for vaporization of an aerosol precursor composition that is stored in and/or transported to a heater by a porous monolith, which can be, for example, a porous glass or a porous ceramic. A heater can be in a heating arrangement with an external portion of the porous monolith or can be substantially internal to the porous monolith.

Abstract: The present disclosure relates to compositions that are useful in the delivery of various materials. In particular, the compositions comprise a suspension wherein an internal phase material is surrounded by an external phase material. The internal phase specifically can be a hydrophilic material, and the external phase specifically can be a hydrophobic material. The materials are combined so that the internal phase is substantially encapsulated by the external phase such that release can be controlled in relation to osmotic pressure differentials. The suspension can be combined with a carrier, and various systems and products can be formed with the suspension and optional carrier, such as oral strips, spray delivery systems, smokeless tobacco products, aerosol delivery devices, cigarettes, and packaging.

Abstract: The present disclosure relates to an aerosol delivery device configured to wirelessly heat an atomizer. The aerosol delivery device may include a control body and a cartridge. The control body may include an induction transmitter. The cartridge may include an induction receiver and an aerosol precursor composition. When electrical current is directed to the induction transmitter, the induction receiver may be inductively heated. The heat produced by the induction receiver may form an aerosol from the aerosol precursor composition at the substrate. Related methods are also provided.

Abstract: An aerosol delivery system is provided, comprising a control body portion including a first elongate tubular member having a power source disposed therein. A cartridge body portion includes a second tubular member having opposed first and second ends. One of the first and second ends is removably engaged with one end of the control body portion. The cartridge body portion further comprises a first aerosol generation arrangement disposed within the second tubular member and configured to operably engage the power source upon engagement between the control body portion and the cartridge body portion. A second aerosol generation arrangement is disposed between the first aerosol generation arrangement and a mouth-engaging end of the aerosol delivery system, the second aerosol generation arrangement being either removably engaged with the cartridge body portion or housed within the second tubular member of the cartridge body portion. An associated method is also provided.

Abstract: The present disclosure relates to aerosol delivery devices, methods of forming such devices, and elements of such devices. In some embodiments, the present disclosure provides devices configured for vaporization of an aerosol precursor composition through radiant heating. The radiant heat source may be a laser diode or further element suitable for providing electromagnetic radiation, and heating may be carried out within a radiation-trapping chamber. In some embodiments, an interior of such chamber may be configured as a black body or as a white body.

Abstract: The present disclosure relates to aerosol delivery devices, methods of forming such devices, and elements of such devices. In some embodiments, the present disclosure provides devices configured for vaporization of an aerosol precursor composition through radiant heating. The radiant heat source may be a laser diode or further element suitable for providing electromagnetic radiation, and heating may be carried out within an optional chamber, which can be a radiation-trapping chamber. In some embodiments, an interior of such chamber may be configured as a black body or as a white body.

Abstract: A smoking article is provided, having a component housing including a power source, and a tubular housing having a first end and a longitudinally-opposed second end, wherein the first or second end is configured to receive the component housing. The tubular housing includes an outer wall defining a cylindrical cavity. An aerosol-generating element is configured to be received within the cylindrical cavity, wherein the aerosol-generating element is configured to produce an aerosol in response to heat. An associated aerosol-generating element and related production methods are also provided.

Abstract: The present disclosure relates to aerosol delivery devices that may include components configured to convert electrical energy to heat and atomize an aerosol precursor composition. An outer body may at least partially enclose the components. An illumination source may be configured to output electromagnetic radiation. For example, a light emitting diode may output light. A waveguide may be configured to receive the electromagnetic radiation from the illumination source and provide illumination at an outer surface of the outer body. The waveguide may include an energy conversion material configured to alter a wavelength of the electromagnetic radiation outputted by the illumination source to change a color of, or otherwise affect, the illumination. The illumination may also be dynamically adjusted. The waveguide may define the outer body, or the waveguide may be received with a separate outer body. Related methods are also provided.

Abstract: The present disclosure relates to a microfluidic vaporizer, an aerosol delivery device that may include such vaporizer, and methods for forming an aerosol. A microfluidic vaporizer can comprise a substrate that defines: a reservoir configured to hold a liquid; a heater adapted to vaporize the liquid; and a capillary channel configured for movement of the liquid from the reservoir to the heater. An aerosol delivery device can comprise a shell and a microfluidic vaporizer. The microfluidic vaporizer and aerosol delivery device can be used for forming aerosols with precise and reproducible compositions.

Abstract: The invention provides a method for making a fuel element for a smoking article including the steps of mixing a metal-containing catalyst precursor with a filler material or graphite or a combination thereof to form a pre-treated fuel element component; optionally calcining the pre-treated fuel element component in order to convert the catalyst precursor to a catalytic metal compound; after the optional calcining step, combining the pre-treated fuel element component with a carbonaceous material and a binder to produce a fuel element composition; and forming the fuel element composition into a fuel element adapted for use in a smoking article. 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: A filter material adapted for use as a filter element of a smoking article is provided, the filter material being in the form of a fibrous tow that includes a plurality of filaments of a degradable polyester and a plasticizer composition applied thereto, the plasticizer composition and the degradable polyester having a Relative Energy Difference calculated using Hansen Solubility Parameters of less than about 1.3. Exemplary degradable polyesters include polyglycolic acid, polylactic acid, polyhydroxyalkanoates, polycaprolactone, polybutylene succinate adipate and copolymers or blends thereof. Exemplary plasticizer compositions include one or more of dimethylisosorbide, propylene carbonate, methylbenzyl alcohol, glycerol carbonate acetate, glycerol carbonate ethyl ether, and mixtures thereof, optionally in combination with triacetin. Filter elements and smoking articles, such as cigarettes, that contain the filter material are also provided.

Abstract: An aerosol delivery system is provided, comprising a control body portion including a first elongate tubular member having a power source disposed therein. A cartridge body portion includes a second tubular member having opposed first and second ends. One of the first and second ends is removably engaged with one end of the control body portion. The cartridge body portion further comprises a first aerosol generation arrangement disposed within the second tubular member and configured to operably engage the power source upon engagement between the control body portion and the cartridge body portion. A second aerosol generation arrangement is disposed between the first aerosol generation arrangement and a mouth-engaging end of the aerosol delivery system, the second aerosol generation arrangement being either removably engaged with the cartridge body portion or housed within the second tubular member of the cartridge body portion. An associated method is also provided.

Abstract: A smoking article, such as a cigarette, includes a carbonaceous heat source. A mouth end piece segment is located at the mouth end of the smoking article, and the mouth end piece segment allows the smoking article to be placed in the mouth of the smoker to be drawn upon. The smoking article further incorporates an aerosol-generating segment located between the heat generation segment and the mouth end piece segment. The aerosol-generating segment incorporates an aerosol-forming material (e.g., glycerin and flavors). The heat generation segment is in a heat exchange relationship with the aerosol-generating region such that heat generated by the burning fuel element acts to volatilize aerosol-forming material for aerosol formation. The carbonaceous heat source is in intimate contact with coarse, fine or ultrafine particles of materials such as cerium oxide, or mixtures of cerium oxide and palladium chloride.

Abstract: The present disclosure relates to a cartridge for an aerosol delivery device such as a smoking article. The cartridge may include a base, a reservoir substrate, and an atomizer. The reservoir substrate may define a cavity therethrough. The atomizer may comprise a liquid transport element and a heating element extending at least partially about the liquid transport element. The atomizer may extend through the cavity through the reservoir substrate such that the heating element is positioned proximate an end of the reservoir substrate. Ends of the liquid transport element may extend to an opposing end of the reservoir substrate. A related method for assembling a cartridge for a smoking article is also provided.

Abstract: The present disclosure relates to aerosol delivery devices, methods of forming such devices, and elements of such devices. In some embodiments, the present disclosure provides a heating member that can be formed of a heating element conformed to a heater substrate configured as a truncated cone (or similar shape) having a first end of a first size and a second end of greater size. In some embodiments, the disclosure provides methods of forming an aerosol delivery device, which can include providing a shell, providing a heating member formed of a heating element conformed to a substrate, configuring the heating member as a truncated cone (or similar shape) having a first end of a first size and a second end of greater size, and inserting the heating member within the shell.

Abstract: A method of making a filter element configured for use in a smoking article comprises selecting at least one finish composition configured to selectively filter at least one target component of mainstream aerosol, and applying the finish composition to a fibrous material.

Abstract: The present disclosure relates to a cartridge for an aerosol delivery device such as a smoking article. The cartridge may include a base, a reservoir substrate, and an atomizer. The reservoir substrate may define a cavity therethrough. The atomizer may comprise a liquid transport element and a heating element extending at least partially about the liquid transport element. The atomizer may extend through the cavity through the reservoir substrate such that the heating element is positioned proximate an end of the reservoir substrate. Ends of the liquid transport element may extend to an opposing end of the reservoir substrate. A related method for assembling a cartridge for a smoking article is also provided.

Abstract: A smoking article, such as a cigarette, includes a carbonaceous heat source. A mouth end piece segment is located at the mouth end of the smoking article, and the mouth end piece segment allows the smoking article to be placed in the mouth of the smoker to be drawn upon. The smoking article further incorporates an aerosol-generating segment located between the heat generation segment and the mouth end piece segment. The aerosol-generating segment incorporates an aerosol-forming material (e.g., glycerin and flavors). The heat generation segment is in a heat exchange relationship with the aerosol-generating region such that heat generated by the burning fuel element acts to volatilize aerosol-forming material for aerosol formation. The carbonaceous heat source is in intimate contact with coarse, fine or ultrafine particles of materials such as cerium oxide, or mixtures of cerium oxide and palladium chloride.

Abstract: An aerosol delivery system is provided, comprising a control body portion including a first elongate tubular member having a power source disposed therein. A cartridge body portion includes a second tubular member having opposed first and second ends. One of the first and second ends is removably engaged with one end of the control body portion. The cartridge body portion further comprises a first aerosol generation arrangement disposed within the second tubular member and configured to operably engage the power source upon engagement between the control body portion and the cartridge body portion. The other of the first and second ends of the cartridge body portion is configured as a mouth-engaging end. The cartridge body portion further includes a second aerosol generation arrangement disposed within the second tubular member between the first aerosol generation arrangement and the mouth-engaging end. An associated method is also provided.

Abstract: The present disclosure relates to an aerosol delivery device, an input for such devices, and methods of preparing such devices. In some embodiments, the present disclosure provides a method of forming an aerosol delivery device, which can comprise providing a fibrous substrate, providing a shell, wetting the fibrous substrate with a wetting liquid, and inserting the wetted fibrous substrate into the shell. After the inserting step, the shell further can comprise one or more of a heater, a liquid transport element, and an electrical connection. In some embodiments, the present disclosure provides an input that can comprise a liquid transport element, a heater in a heating arrangement with the liquid transport element, and a wetted fibrous substrate wrapped around at least a portion of the liquid transport element.