# US 11,910,510 B2 · Aerosol-generating article, aerosol-generating pellet, method for forming aerosol-generating pellets and aerosol-generating system comprising aerosol-generating pellets > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,910,510 B2 - Document ID: US11910510B2 - Status: Granted - Kind: B2 - Application number: 15/769,140 - Filed: 2016-10-21 - Published: 2018-10-18 - Granted: 2024-02-20 - Earliest claimed: 2015-10-22 - Assignees: Philip Morris Products S.A. - Applicants: Philip Morris Products S.A. - Inventors: Noelia Rojo-Calderon; Rui Nuno Batista - Web page: https://patentgrep.com/patent/US11910510B2 ## CPC - H05B 6/106: {in the form of fillings} - A24B 15/16: of tobacco substitutes - A24C 5/01: Making cigarettes for simulated smoking devices - A24D 1/20: Cigarettes specially adapted for simulated smoking devices - A24F 40/465: specially adapted for induction heating - A24F 40/20: Devices using solid inhalable precursors - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL - A24B: MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF - A24C: MACHINES FOR MAKING CIGARS OR CIGARETTES - A24D: CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES - A24F: SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES (inhaling appliances for medical purposes, shaped like cigars, cigarettes or pipes A61M15/06) ## Abstract The aerosol-generating article (9) comprises a casing (8) and a plurality of aerosol-generating particles (1) arranged in the casing. The aerosol-generating particles of the plurality of aerosol-generating particles comprise a core of susceptor material, which core of susceptor material is coated with aerosol-forming substrate. Also disclosed is an aerosol-forming pellet (3) and a method for forming aerosol-generating pellets. The method comprises the steps of providing a plurality of particles, filling the plurality of particles into a cavity of a predefined shape and compacting the plurality of particles in the cavity, thereby forming an aerosol-generating pellet having the shape of the cavity. ## Claims ### Claim 1 An inductively heatable aerosol-generating article comprising: a casing and a plurality of inductively heatable aerosol-generating particles arranged in the casing, wherein the inductively heatable aerosol-generating particles of the plurality of inductively heatable aerosol-generating particles comprise a core of susceptor material comprising ferromagnetic material, which core of susceptor material is coated with aerosol-forming substrate, wherein the plurality of inductively heatable aerosol-generating particles forms more than one pre-formed aerosol-generating pellet, wherein the casing comprises a longitudinal shape having a longitudinal axis, wherein the more than one aerosol-generating pellets are arranged at a distance to each other along the longitudinal axis of the casing, and wherein the distance is formed by a gap in a range between 1 mm and 9 mm, and wherein the more than one aerosol-generating pellets are spaced apart from ends of the casing such that none of the plurality of inductively heatable aerosol-generating particles that form the more than one aerosol-generating pellets are in contact with the ends of the casing to form an empty space that extends continuously from each end of the casing to the plurality of inductively heatable aerosol-generating particles that form a closest pellet of the more than one pellet. ### Claim 2 (depends on 1) The inductively heatable aerosol-generating article according to claim 1, wherein the casing comprises two opposed ends, and wherein one or both of the opposed ends of the casing is pierceable. ### Claim 3 (depends on 2) The inductively heatable aerosol-generating article according to claim 2, wherein the casing is cylindrical and one or both of the opposed ends is sealed by one or more pierceable or removable barriers. ### Claim 4 (depends on 2) The inductively heatable aerosol-generating article according to claim 2, wherein the one or both of the opposed ends is sealed by one or more pierceable or removable foil. ### Claim 5 (depends on 1) The inductively heatable aerosol-generating article according to claim 1, wherein the casing comprises a polymer material or a cellulose based material. ### Claim 6 (depends on 1) The inductively heatable aerosol-generating article according to claim 1, wherein at least one of the pellets has a porosity in a range between 0.2 and 0.35. ### Claim 7 (depends on 1) The inductively heatable aerosol-generating article according to claim 1, wherein at least one of the pellets has a tubular form having a length between 2 millimeter and 20 millimeter and a diameter between 2 millimeter and 15 millimeter. ### Claim 8 (depends on 1) The inductively heatable aerosol-generating article according to claim 1, wherein at least one of the pellets comprises different types of inductively heatable aerosol-generating particles, wherein different types of inductively heatable aerosol-generating particles differ in at least one of size or shape of the particles, shape or composition of susceptor material, thickness, porosity or composition of aerosol-forming substrate coating, aerosol delivery profile. ### Claim 9 (depends on 1) The inductively heatable aerosol-generating article according to claim 1, wherein the core of susceptor material of the particles of the plurality of inductively heatable aerosol-generating particles is a susceptor granule, susceptor flake or susceptor fibers. ### Claim 10 (depends on 1) The inductively heatable aerosol-generating article according to claim 1, wherein the core of susceptor material comprises multiple aerosol-forming substrate coatings. ### Claim 11 (depends on 1) The inductively heatable aerosol-generating article according to claim 1, wherein a volumetric ratio of an amount of susceptor material to an amount of aerosol-forming substrate is 1:1 to 1:4. ### Claim 12 (depends on 1) The inductively heatable aerosol-generated article according to claim 1, wherein at least one of the pellets is hermetically sealed in the casing. ### Claim 13 (depends on 1) The aerosol-generating article according to claim 1, wherein the plurality of inductively heatable aerosol-generating particles are pelletized to form the more than one aerosol-generating pellets. ### Claim 14 (depends on 1) The inductively heatable aerosol-generating article according to claim 1, wherein the distance between adjacent pellets of the more than one aerosol-generating pellet is between 1 mm and 9 mm. ### Claim 15 (depends on 1) The inductively heatable aerosol-generating article according to claim 1, wherein the more than one aerosol-generating pellet are each arranged symmetrically in the casing. ### Claim 16 (depends on 1) The inductively heatable aerosol-generating article according to claim 1, wherein the more than one of the aerosol-generating pellets have a porosity in a range between 0.2 and 0.35. ### Claim 17 (depends on 1) The inductively heatable aerosol-generating article according to claim 1, wherein the more than one of the aerosol-forming pellets have a tubular form having a length between 2 millimeter and 20 millimeter and a diameter between 2 millimeter and 15 millimeter. ### Claim 18 (depends on 1) The inductively heatable aerosol-generating article according to claim 1, wherein the more than one of the aerosol-forming pellets comprise different types of aerosol-generating particles, wherein different types of aerosol-generating particles differ in at least one of size or shape of the particles, shape or composition of susceptor material, thickness, porosity or composition of aerosol-forming substrate coating, aerosol delivery profile. ### Claim 19 (depends on 1) The inductively heatable aerosol-generating article according to claim 1, wherein the casing comprises paper or cardboard. ### Claim 20 (depends on 1) The inductively heatable aerosol-generating article according to claim 1, wherein outer dimensions of the casing correspond to outer dimensions of the aerosol-generating article. ### Claim 21 An inductively heatable aerosol-generating article comprising: a casing and a plurality of inductively heatable aerosol-generating particles arranged in the casing, wherein the inductively heatable aerosol-generating particles of the plurality of inductively heatable aerosol-generating particles comprise a core of susceptor material, which core of susceptor material is coated with aerosol-forming substrate, wherein the plurality of inductively heatable aerosol-generating particles forms more than one aerosol-generating pellet, wherein the casing comprises a longitudinal shape having a longitudinal axis, and wherein pellets of the more than one aerosol-generating pellet are arranged at a distance to each other along the longitudinal axis of the casing, the distance formed by a gap in a range between 1 mm and 9 mm, and wherein the pellets are spaced apart from ends of the casing such that none of the plurality of inductively heatable aerosol-generating particles that form the more than one aerosol-generating pellet are in contact with the ends of the casing to form an empty space that extends continuously from each end of the casing to the plurality of inductively heatable aerosol-generating particles that form a closest pellet of the pellets. ### Claim 22 (depends on 1) The inductively heatable aerosol-generating article according to claim 1, wherein the more than one aerosol-generating pellet are each obtained by pelletizing a portion of the plurality of aerosol-generating particles providing a mechanically stable product.