Abstract: Disclosed herein is an aerosol generating substrate comprising an aerosol generating material. The aerosol generating material comprises an amorphous solid. The amorphous solid comprises an active ingredient, wherein at least 70 wt % of the active ingredient aerosolised on heating of the aerosol generating material to 370° C. for a ten-second period under a 1.95 L/min airflow.

Abstract: Described herein is an aerosol-forming substrate comprising an aerosol-forming material provided on a carrier, wherein the aerosol-forming material comprises an amorphous solid and wherein one or more vents are provided in the aerosol-forming material to allow the passage of aerosol and/or gases through the aerosol-forming material in use.

Abstract: Described herein is a method of making an aerosol-forming substrate. The aerosol-forming substrate comprises an aerosol-forming material which comprises nicotine and/or a tobacco material. The method comprises electrospraying the aerosol-forming material or component or precursor thereof.

Abstract: Disclosed herein is a method of making an aerosol-forming substrate (103), the aerosol-forming substrate comprising an aerosol-forming layer attached to a carrier layer, wherein the aerosol-forming layer comprises an amorphous solid, the method comprising; (a) forming a slurry comprising components of the amorphous solid or precursors thereof, (b) applying the slurry to a carrier, wherein the carrier comprises a setting agent, such that the slurry gels on contact with the carrier, and (c) drying the gel to form an amorphous solid.

Abstract: An inductive heater for an aerosol generating device is provided. The inductive heater includes a heater element for heating aerosol generating material. The heater element includes a ceramic member and susceptor material integrally formed with the ceramic member. The susceptor material is arranged in use to be heated by electromagnetic induction.

Abstract: There is provided an aerosolizable product comprising an aerosol forming material; and a substrate material, wherein the substrate material is at least calcium carbonate; wherein the total surface area of the calcium carbonate present in the aerosolizable product is at least 25 m2 per gram of aerosol forming material present in the aerosolizable product. There is also provided an aerosolizable product comprising an aerosol forming material; and a solid substrate material, wherein the solid substrate material is at least calcium carbonate wherein the aerosolizable product is a solid form. There is also provided an aerosolizable product comprising an aerosol forming material; and a substrate material, wherein the substrate material is at least calcium carbonate; wherein the calcium carbonate is present in an amount of at least 80 wt. % based on the aerosolizable product.

Abstract: A resonant circuit for an aerosol generating system includes an inductive element for inductively heating a susceptor arrangement to heat an aerosol generating material to thereby generate an aerosol. The circuit also includes a switching arrangement that, in use, alternates between a first state and a second state to enable a varying current to be generated from a DC voltage supply and flow through the inductive element to cause inductive heating of the susceptor arrangement. The switching arrangement is configured to alternate between the first state and the second state in response to voltage oscillations within the resonant circuit which operate at a resonant frequency of the resonant circuit, whereby the varying current is maintained at the resonant frequency of the resonant circuit.

Abstract: An aerosol generating article for use in an aerosol generating assembly, wherein the aerosol generating article comprises a tubular substrate which comprises a first aerosol-forming composition, wherein the first aerosol-forming composition comprises an amorphous solid; and a second aerosol-forming composition, wherein the second aerosol-forming composition is different from the first aerosol-forming composition.

Abstract: Described herein is a consumable for use with apparatus for heating aerosolizable material to volatilise at least one component of the aerosolizable material. The consumable comprises a hollow tube comprising a carrier and aerosolizable material comprising an amorphous solid coated on the carrier.

Abstract: Disclosed is an induction coil arrangement for use with an apparatus for heating smokable material to volatilize at least one component of the smokable material. The induction coil arrangement includes a plate having opposite first and second sides, a first flat spiral coil of electrically-conductive material mounted on the first side of the plate, and a second flat spiral coil of electrically-conductive material mounted on the second side of the plate.

Abstract: Disclosed is an aerosolizable structure for use in an article for use with apparatus for heating aerosolizable material to volatilize at least one component of the aerosolizable material. The aerosolizable structure includes a gathered layered structure having a first sheet including aerosolizable material and a second sheet including heating material that is heatable by penetration with a varying magnetic field to heat the aerosolizable material of the first sheet. The second sheet is free from aerosolizable material.

Abstract: There is described a chain of pouches including: a plurality of pouches each pouch containing aerosolizable material. Each pouch in the chain is connected to at least one other pouch in the chain by a respective weakened region. The chain is arranged to be foldable and breakable at each respective weakened region. Each pouch is porous to enable aerosol to flow through or out of the pouch.

Abstract: A vapor provision system includes an inhaler component and a base unit, wherein the inhaler component includes a thermal store; and the base unit includes a receiving zone for receiving the inhaler component; and a source of energy for heating the thermal store in the inhaler component when the inhaler component is located in the receiving zone such that heat from the heated thermal store is used to vaporize at least a portion of a vapor precursor material to form a vapor for inhalation by a user when the inhaler component is removed from the receiving zone.

Abstract: An electronic vapor provision system includes an inhaler component for generating vapor from a vapor precursor material, and a base unit to which the inhaler component may be selectively coupled and uncoupled; wherein the base unit is configured to establish an identifier for the inhaler component and, when the inhaler component is coupled to the base unit, to provide the inhaler component with an amount of consumable for use by the inhaler component for generating vapor for user inhalation when the inhaler component is uncoupled from the base unit; wherein the base unit is further configured to establish a record of the identifier for the inhaler component in association with an indication the consumable has been provided to the inhaler component.

Abstract: Disclosed is an apparatus for heating smokable material to volatilize at least one component of the smokable material. The apparatus includes a heating zone for receiving at least a portion of an article including smokable material; an outlet for permitting volatilized components of the smokable material to pass from the heating zone towards an exterior of the apparatus when the article is heated in the heating zone in use; a heating element that is heatable by penetration with a varying magnetic field to heat the heating zone, wherein a first section of the heating element is located between a second section of the heating element and the outlet, and wherein the second section of the heating element is heatable in use by thermal conduction from the first section of the heating element; and a magnetic field generator for generating a varying magnetic field that penetrates the first section of the heating element and avoids the second section of the heating element.

Abstract: An article for use with an apparatus for heating aerosol generating agent to volatilize at least one component of the aerosol generating agent, the article including a support layer having a first surface, wherein at least a portion of the first surface is rough and an aerosol generating agent on the portion of the first surface that is rough.

Abstract: Disclosed is a method and apparatus for use with an RLC resonance circuit for inductive heating of a susceptor of an aerosol generating device. The apparatus is arranged to determine a resonant frequency of the RLC resonance circuit; and determine, based on the determined resonant frequency, a first frequency for the RLC resonance circuit for causing the susceptor to be inductively heated, the first frequency being above or below the determined resonant frequency. The apparatus may be arranged to control a drive frequency of the RLC resonance circuit to be at the determined first frequency in order to heat the susceptor. Also disclosed is an aerosol generating device including the apparatus.

Abstract: Disclosed are methods and an apparatus for determining a temperature of a susceptor of an aerosol generating device, the susceptor being for inductive heating by a RLC resonance circuit. The apparatus is arranged to determine a frequency characteristic of a peak of a frequency response of the RLC resonance circuit, and determine, based on the determined frequency characteristic, the temperature of the susceptor. Also disclosed is an aerosol generating device comprising the apparatus.

Abstract: Disclosed is an article for use with an apparatus for heating smokable material to volatilize at least one component of the smokable material. The article includes a carrier having plural thermally-conductive portions, on which are locatable respective discrete quantities of smokable material. Between the portions of the carrier, the carrier is shaped to form a thermal barrier for inhibiting heat conduction from one or more of the portions of the carrier towards another of the portions of the carrier in use.

Abstract: In one aspect, apparatus is provided for generating an inhalable medium. The apparatus has a container for holding a liquid and a heater for volatilizing liquid held in the container. The apparatus further has a chamber for receiving a material. The apparatus has an outlet. In use liquid volatilized by the heater passes, in the form of at least one of a vapor and an aerosol, through material received in the chamber to thereby entrain one or more constituents from the material to produce the inhalable medium which passes out of the outlet.