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EP3220761B1 - Procédé, composition et appareil pour la fonctionnalisation d'aérosols à partir d'articles à fumer non combustibles - Google Patents

Procédé, composition et appareil pour la fonctionnalisation d'aérosols à partir d'articles à fumer non combustibles Download PDF

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Publication number
EP3220761B1
EP3220761B1 EP15832952.4A EP15832952A EP3220761B1 EP 3220761 B1 EP3220761 B1 EP 3220761B1 EP 15832952 A EP15832952 A EP 15832952A EP 3220761 B1 EP3220761 B1 EP 3220761B1
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EP
European Patent Office
Prior art keywords
aerosol
section
flavor
separator
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15832952.4A
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German (de)
English (en)
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EP3220761A1 (fr
Inventor
Steven E. Brown
Luis A. Sanchez
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fontem Ventures BV
Original Assignee
Fontem Holdings 4 BV
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Publication of EP3220761A1 publication Critical patent/EP3220761A1/fr
Application granted granted Critical
Publication of EP3220761B1 publication Critical patent/EP3220761B1/fr
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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/30—Devices using two or more structurally separated inhalable precursors, e.g. using two liquid precursors in two cartridges
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/42—Cartridges or containers for inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10—Devices using liquid inhalable precursors

Definitions

  • the present invention relates to methods, compositions and apparatus for generating a functionalized aerosol which emulates the organoleptic characteristics and properties of mainstream smoke generated by traditional tobacco-based smoking articles.
  • Electronic cigarettes are a popular alternative to traditional smoking articles that burn tobacco products to generate mainstream smoke for inhalation. Unlike traditional tobacco-based smoking articles, electronic cigarettes generate an aerosol-based vapor for inhalation which generally emulates mainstream smoke of traditional tobacco based smoking articles. However, it is generally recognized that aerosol-based vapor generated by electronic cigarettes does not deliver the same "quality" of experience as traditional smoking articles. Applicants have found that this deficiency in the "quality" of experience results, at least in part, from the use of a composite aerosol forming liquid solution to generate the aerosol-based vapor. More specifically, the composite aerosol forming liquid solution includes an aerosol forming liquid and one or more taste, fragrance or nicotine delivery compositions.
  • US 2013 / 192 615 A1 discloses an electronic smoking article including a liquid supply including liquid material, a heater operable to heat the liquid material to a temperature sufficient to vaporize the liquid material and form an aerosol, a wick in communication with the liquid material and in communication with the heater such that the wick delivers the liquid material to the heater, at least one air inlet operable to deliver air to a central air passage upstream of the heater, and a mouth end insert having at least two diverging outlets.
  • US 2011 / 265 806 A1 provides an electronic smoking device including a first sensor for detecting a user's action for smoking, an air inlet, an air flow path extending from the air inlet, a liquid compartment storing a smoking liquid, a dispensing control device configured to selectively dispense the smoking liquid from the liquid compartment, a vaporizing compartment connected to the liquid compartment and the air flow path, a heater located at the vaporizing compartment, a controller configured to activate the heater to vaporize the smoking liquid dispensed from the liquid compartment when the user's action for smoking is detected by the first sensor, and a smoke outlet connected to the vaporizing compartment, wherein an amount of the smoking liquid dispensed by the dispensing control device is responsive to an amount of air flowing in the vaporizing compartment.
  • US 8 499 766 B1 describes an electronic cigarette with an illumination function, and that generates an aerosol of a fluid when air is drawn through it, includes a housing with a translucent tip, a mouthpiece, and a battery.
  • a fluid reservoir and an atomizer assembly selectively generate an aerosol of the fluid.
  • a draw pressure sensor generates a draw signal in response to a pressure change induced while air is drawn out of the mouthpiece.
  • a draw control circuit activates the atomizer assembly in response to the draw signal.
  • the draw circuit also outputs a lamp signal in response to the draw signal.
  • a lamp circuit with an actuator, a first color lamp, and a second color lamp that are both aligned to illuminate the tip. The lamp circuit selectively, and alternatively in response to subsequent actuations of the actuator, selects between illuminating the first color lamp and the second color lamp in response to the lamp signal.
  • An objective of the invention is to provide anapparatus for generating a functionalized flavor aerosol vapor which emulates the organoleptic characteristics and properties of mainstream smoke experienced by users smoking traditional tobacco-based smoking articles.
  • an apparatus for generating a functionalized aerosol comprises a battery section comprising a first housing, a battery disposed within the first housing, and a first connector coupled to the housing, an aerosol section comprising a second housing, an aerosol forming chamber disposed within the second housing, and a pod bay, and an insert section comprising a third housing, a connector, and a mouth end.
  • the battery section is configured to couple to the aerosol section
  • the aerosol section is configured to couple to the insert section
  • the connector is configured to fit within the pod bay.
  • an apparatus for generating a functionalized aerosol comprises a battery section comprising a first housing, a battery disposed within the first housing, and a first connector coupled to the housing, an aerosol section comprising a second housing, an aerosol forming chamber disposed within the second housing, and a pod bay, and an insert section comprising a third housing, a pod bay, a separator, a flavor reservoir, a mouth end, and a through-hole.
  • the battery section is configured to couple to the aerosol section
  • the aerosol section is configured to couple to the insert section
  • the connector is configured to fit within the pod bay.
  • the first step of the process involves generating an aerosol from an aerosol forming liquid.
  • the second step of the process involves functionalizing the aerosol by subjecting the aerosol to a matrix for the purpose of transferring, delivering or imparting one or more organoleptic properties such as taste, fragrance and/or nicotine delivery to the aerosol.
  • the first step of generating an aerosol comprises providing an optimal aerosol density for the desired fragrance, taste, and/or nicotine delivery properties subsequently imparted on the aerosol in the second step of the process.
  • the first step of the process comprises generating an aerosol having properties for optimizing the taste, fragrance and/or nicotine delivery characteristics to the aerosol during the second step of the inventive method.
  • the aerosol forming liquid may comprise an excipient such as water which forms an aerosol having properties for activating exothermic or endothermic reactions during the second step of the process.
  • the aerosol-forming composition may comprise ethanol, glycerol, propylene glycol, polyethylene glycol, water, nicotine, or mixtures thereof.
  • the functional composition may comprise one or more organoleptic components such as taste, fragrance, and/or nicotine delivery components.
  • the functional composition may comprise a solution or dispersion having taste and/or nicotine delivery components.
  • the functional composition may comprise encapsulated taste and/or fragrance delivery components.
  • the functional composition may comprise a gel having taste, fragrance and/or nicotine delivery components.
  • the taste, fragrance and/or nicotine composition may comprise a vapor pressure modifier such as ethanol.
  • the apparatus comprises a first chamber or zone containing an aerosol-forming liquid which is adapted to deliver aerosol-forming liquid to a heating device.
  • the apparatus further comprises a downstream chamber or zone containing a functional composition comprising one or more organoleptic components such as a taste, fragrance and/or nicotine delivery components.
  • a two-step process is used to form an aerosol with organoleptic properties suitable to be delivered with e- cigarettes.
  • an aerosol is formed from a non-flavored formulation located in a first chamber or zone of the e-cigarette. Any aerosol formation mechanism (e.g., thermal, mechanical, piezoelectric) may be used in the present invention.
  • the aerosol is then subjected to a taste, fragrance and/or nicotine carrying matrix adapted to transfer the desired organoleptic properties to the aerosol.
  • taste, fragrance and/or nicotine delivery components in a high vapor pressure solvent are released into the aerosol prior to exiting the e-cigarette mouth piece.
  • Figure 1 shows this two-step process wherein a fragrance insert is employed to deliver fragrance to the e- cigarette aerosol.
  • Yet a further objective is to manufacture electronic cigarettes with removable and replaceable taste functional mouth pieces where it can self-contained a functional segment.
  • an unflavored aerosol in an e-cigarette may involve any known nebulizer mechanism.
  • ultrasonic wave nebulization with a piezoelectric element vibrating and creating high-frequency ultrasound waves to cause vibrations and atomization of liquid formulations
  • electric nebulization with a heating element built on a high surface component in direct contact with an aerosol forming material
  • spraying jet atomization by passing an aerosol solution through small venturi injection channels.
  • the aerosol characteristics depend on the rheological and thermodynamics properties of the aerosol forming liquid as well as the nebulization mechanism. Because of physical chemical stresses (i.e.
  • the aerosol characteristics and delivery consistency can be affected when the liquid is nebulized. This is very relevant to aerosol quality if the affected aerosol material component is organoleptic.
  • organoleptic For example, nicotine might degrade under thermal nebulization; menthol and other hydrophobic taste material might precipitate due to incompatibility with hydrophilic forming aerosol formulations.
  • desirable organoleptic materials i.e. menthol, tobacco flavors, etc., can be insoluble in the aerosol forming liquid at the appropriate viscosity and/or surface tension to deliver an acceptable aerosol, therefore, limiting the amount of delivered organoleptic.
  • an unflavored aerosol formulation located in the first chamber or zone, suitable to form aerosols with particle size distribution and/or density and deliver desired user experience, and that can be later further tailored for organoleptic delivery is attractive to e-cigarette manufacturers.
  • Base aerosol formulations suitable for the present invention comprise aerosol forming materials, vapor pressure modifiers, buffers, salts, nucleation site structures, surfactants, preservatives, and an excipient.
  • any of the components that form the unflavored aerosol formulation can be used to trigger chemically another component located downstream the nebulizer.
  • water can be used to activate exothermic or endothermic reactions of salts located in a downstream insert to induce heat changes that either heat a sublimable material insert or change deliverable aerosol particle size distribution.
  • unflavored aerosol forming formulations are included in Table I below.
  • Table 1 Aerosol Formulations Formulation Examples (%) Function Component Example Range (%) 1 2 3 4 5 Aerosol Former Glycols 0-90 60 60 60 Aerosol Former Glycerin 0-90 10 20 60 60 Vapor Pressure Modifier Ethanol 0-30 20 10 Nucleation Site Salts: NaCl, Particle Dispersion, etc. 0-10 1 1 Surfactant, Particle Size Control Pharmaceutical Surfactants: Lecithin, Tweens, etc.
  • Taste, fragrance and/or nicotine carrying matrix formulations applicable to this invention to change the organoleptic properties of the delivered aerosol are presented in the embodiments below.
  • These formulations can be liquids, dispersions, gels, encapsulate fragrances, fibers or any other forms and shapes that allow intimate contact with the unflavored aerosol stream.
  • These formulations may have a high vapor pressure to allow maximizing their fragrance contribution to the aerosol stream.
  • Illustrative examples of functionalized formulations which may be incorporated in the e-cigarette are presented below.
  • the major formulation components in this embodiment when the formulation is in a liquid state, consist of a fragrance, a vapor pressure modifier, a preservative and an excipient. These formulations might also contain other components to further modify the delivered aerosol stream such as surfactants, nucleation sites, buffers, etc.
  • Table II shows non-limiting examples for solutions, dispersions, encapsulates and gel formulation physical forms. These formulations might contain nicotine as required by a final aerosol delivery specification.
  • Table II Functionalized Formulations Formulation Examples (%) Function Component Example Form Range (%) 1 2 3 4 Organoleptic Pi ⁇ a Colada, Cherry, Coffee, etc.
  • organoleptic When the solubility of the organoleptic material is low, there is a limit to the amount of organoleptic in an aerosol compatible formulation.
  • the formulation components in this embodiment can consist of a fragrance, a vapor pressure modifier, a preservative and an excipient. These formulations might also contain other components to further modify the delivered aerosol stream such as surfactants, nucleation sites, buffers, etc.
  • the table below shows non-limiting examples for liquids, solutions and dispersions.
  • Table III Functionalized Formulations Low solubility/hydrophobic organoleptic fragrance delivery Formulation Examples (%) Function Component Example Form Range (%) 1 2 3 Organoleptic Menthol Solution Liquid 0-100 20 10 10 Tobacco Flavor Solution, Dispersion 0-100 40 Fragrance, Taste Components Solution 0-100 20 20 20 Others Nicotine, nicotine derivatives, etc Liquid 0-6 1 1 2 Vapor Pressure Modifier Ethanol 0-30 30 20 30 Nucleation Site Structures Salts: NaCl, Dispersion 0-10 5 5 5 5 Surfactant, Aerosol Particle Size Control Lecithin, Tweens, etc. 0-5 3 3 3 3 Buffer Citrates, Phosphates Salt-Acid Pair, etc.
  • the unflavored formulation may comprise a chemical component that can either react or affect another chemical component included in the downstream functionalized formulation.
  • a chemical component that can either react or affect another chemical component included in the downstream functionalized formulation.
  • nicotine in solution is in a chemical equilibrium as per the Bronsted-Lowry acid/base theory.
  • acidic or basic component - such as acetic, citric, etc.
  • buffers - carried by the unflavored aerosol can be useful to control the ionization of nicotine in the final delivered aerosol.
  • improvement in nicotine delivery consistency is possible.
  • the formation in situ of fragile flavors and taste component is possible if reactants are kept separated until mixing in the aerosol vapor prior to delivery.
  • a chemical component in the unflavored formulation that can react with another chemical component included in the downstream formulation to exothermically or endothermically change the temperature of the aerosol.
  • water in the unflavored aerosol can react with a salt pod in the downstream portion of the e-cigarette to release heat of hydration, i.e., food grade Fe and Mn salts, CaO, , etc. This heat can be used to assist in the sublimation of organoleptic in the downstream portion of the e-cigarette.
  • Another example is the use of an endothermic reaction, i.e., food grade NH4C1, etc. This would allow cooling of the aerosol vapor after its formation and therefore improve delivery consistency of the aerosol particle size distribution.
  • FIG. 2 further illustrates this concept, whereby the unflavored aerosol is formed in the aerosol forming cartridge where an aerosol forming liquid is in contact with the heating element. As the aerosol moves downstream and interacts with the flavored insert, the aerosol becomes flavored.
  • the sketch in FIG. 2 shows separate e- cigarette major components, it will be understood that any combination of the battery, aerosol cartridge and/or fragrance insert may be physically integrated with each other as long as the fragrance insert is disposed downstream the aerosol cartridge as indicated by the arrows.
  • This concept separates aerosol formation from taste, fragrance and/or nicotine delivery. Therefore, the aerosol is improved by removing any degradation of quality, nicotine delivery and taste caused by either the interaction of the aerosol forming liquid formulation with the formulation contained in the fragrance insert or its thermal degradation/inactivation when in contact with the heating element of the e- cigarette.
  • the fragrance formulations in the inserts can be made with a broad range of materials such as normal solutions, dispersions, emulsions, gels, creams, powders, pastes, waxes, etc.
  • the fragrance release can occur thermally, chemically, dissolution, vapor pressure driven, moisture, electric, etc.
  • the insert can use fabricated using one or combination of different fragrance matrixes such as surface coating, dissolvable and non-dissolvable matrix, encapsulated fragrance, fibers, porous materials, wicking web, coated web, etc.
  • this concept is based on aerosol flow dynamics, it can be further enhanced by placing a heating element in the insert to control the release of fragrance.
  • An embodiment of an apparatus depicted below in FIG. 3 comprises an e-cigarette having a cartomizer loaded with a glycol/water solution in addition to a cellulose acetate insert coated with tobacco flavors located prior to the mouth end.
  • the aerosol delivered under this construction tasted as 'tobacco flavored aerosol'.
  • a vanilla flavored insert may be used to deliver a vanilla flavorant to aerosol delivery.
  • Porous matrix of embedded coated fibers or hollow fibers filled with fragrance formulations are provided.
  • FIG. 4 illustrates an embodiment comprising fragrance formulations in a porous matrix of embedded fibers.
  • the fragrance may be coated on the fibers on contained within hollow fibers.
  • the fragrance migrates into the aerosol stream to flavor the aerosol stream. It can be activated optionally electrically or by dissolving a fragrance carrier.
  • a similar release mechanism is applicable to numerous of the other embodiments described below.
  • FIG. 5 illustrates an embodiment comprising fragrances embedded in single or multiple layer screens for delivery to the unflavored aerosol vapor.
  • the release of encapsulated fragrances might be activated by water/glycol in an unflavored aerosol formulation.
  • FIG. 6 illustrates an embodiment comprising a web fabricated such that fragrances are released on interaction with the unflavored aerosol.
  • FIG. 7 illustrates an embodiment comprising a diffusible or erodible disk containing a functionalized formulation.
  • the disk can be formulated with a fragrance in a hygroscopic matrix that erodes during inhalation.
  • FIG. 8 illustrates an embodiment comprising a coil wrapped insert having a coated area or webbed structure.
  • the purpose of this design is to maximize the effective interaction between the unflavored aerosol and the flavoring insert.
  • This design is also applicable to several of the embodiments disclosed herein.
  • FIG. 9 illustrates an embodiment comprising the use of a porous membrane or open cell foam/sponge structure
  • the porous membrane can be made of cellulose or any other highly absorbing material applicable for fragrance/nicotine carrying.
  • the e-cigarette shown in FIG. 3 with a tobacco flavor embedded material placed toward the mouth end is an embodiment of this design.
  • FIG. 10 illustrates an embodiment comprising a plaited flavor coated insert.
  • this plaited design benefits from venturi acceleration to drive fragrance into the aerosol stream.
  • FIG. 11 illustrates an embodiment comprising a configured flavor coated insert.
  • the insert can be fabricated from an erodible fragrance/nicotine matrix.
  • One or multiple flow path can be used to control the flow dynamic and maximize the impacting energy of the un- flavored aerosol on the flavoring insert.
  • FIG. 12 illustrates an embodiment comprising bundled tubes containing fragrances/nicotine that is releasable on differential pressure, temperature or electrical activation. Inhalation can also be a fragrance releasing force.
  • FIG. 13 illustrates an embodiment comprising a honeycomb cell structure with fragrance/nicotine pods. Control of release can be obtained by having different releasing rates distributed among the honeycomb cells. This concept of controlling the fragrance releasing rate by changing the rate of activation across the flavoring insert is applicable to other embodiments of the present invention.
  • FIG. 14 illustrates an embodiment comprising a capsule containing fragrance/nicotine which releases its load under inhalation pressure. This approach can be used to change the flagrance as an OFF/ON flavor option.
  • FIG. 14 shows the flavoring of an unflavored aerosol stream, it is also applicable for changing the flavor of a flavored aerosol. This insert can be used sequentially.
  • FIG. 15 illustrates an embodiment comprising a fragrance insert that can be broken under inhalation pressure or by being physically crushed to release fragrance into the aerosol stream.
  • FIG. 16 illustrates an embodiment comprising a pouch having a non-woven web of non- woven sensitive material normally having interstices capable of passing smoke upon activation.
  • the web is compressed and bonded, while compressed, to hold the fibers in compressed condition filling the interstices to prevent passage of its load outwardly thereof.
  • the payload can be fragrance(s), tobacco flavor, nicotine delivery enhancing chemical material(s)s, or other material(s) desired for modification of the unflavored aerosol.
  • the pouch releases its load on puncturing.
  • the web can react or dissolve with one or more chemical components in the unflavored aerosol to be activated. Therefore, the pouch formulation provides the benefit of improved shelf life by being protected from interaction with the environment and with each other prior to usage.
  • FIGS. 17 and 18 illustrate embodiments comprising a pouch containing a payload.
  • the load can be fragrance(s), tobacco flavor(s), nicotine(s),nicotine delivery enhancing chemical materials, or other material(s) desired for the modification of the aerosol organoleptic properties.
  • This pouch releases its load on mechanical, thermal activation or similar mixing mechanism such as puncturing, crushing, opening a valve, etc. Because the pouch formulation is within a sealed container, the users have an ON/OFF option of using it to modify the aerosol organoleptic experience.
  • This invention is inclusive of the use of multiple pouches or chambers placed in a carrousel arrangement in alignment with the aerosol stream such that users can select a particular flavor to be delivered during usage of the e-cigarette.
  • the formulations benefit of improved shelf life by being protected from interaction with the environment and with each other prior to usage.
  • FIG. 19 illustrates another embodiment according to the disclosure.
  • FIG. 19 illustrates an electronic cigarette 200 comprising a battery section 201, an aerosol section 202, and a flavorant section 203.
  • the electronic cigarette 200 can be configured to produce an aerosol on demand when air is drawn through the electronic cigarette 200.
  • the electronic cigarette 200 can produce aerosol when a user performs an action.
  • no heater is required to form an aerosol.
  • a user can draw on a proximal end of the electronic cigarette, which can draw air through an interior portion of the electronic cigarette and out the proximal end.
  • a more detailed description of an electronic cigarette can be found in commonly assigned U.S. Application No. 13/099,266 filed 2 May 2011 .
  • the battery section 207 can comprise a cap 204, a first housing 205, a battery, and a battery section connector 207.
  • the cap 204 can be configured to fit within a distal end of the first housing 205 and in at least one embodiment can comprise a plastic material that can be partially transparent.
  • the first housing 205 can comprise a metal alloy, a plastic, or the like.
  • the battery 206 can also be within and surrounded by the first housing 205.
  • the battery section connector 207 can be coupled to the first housing 205 and can be configured to connect to the aerosol section 202.
  • the aerosol section 202 can comprise a second housing, a heater 211, an aerosol forming compound 213, an airflow path 212, an aerosol section distal connector 210, and an aerosol section proximal connector 215.
  • the second housing 214 can comprise a metal alloy, a plastic, or the like.
  • the aerosol forming compound 213, the heater 211, and the airflow path 212 can be surrounded by and within an interior of the second housing 214.
  • the aerosol section distal connector can be sized and configured to connect to the battery connector 207.
  • one of the connectors can form a screw thread and the other connector can form a screw receptacle.
  • one of the connectors can form a snap-fit connector and the other connector can form a snap-fit receptacle.
  • one of the connectors can comprise at least one projection that is configured to fit within at least one matching space or receptacle in the other connector.
  • the battery connector 207 and the aerosol section distal connector can form a friction fit.
  • the heater 211 can comprise a metal coil in liquid contact with the aerosol forming compound.
  • the heater 211 can be mostly surrounded by the airflow path 212 and can be wound around a wick(not shown) that extends into the aerosol forming compound 213 and transports the aerosol forming compound 213 to the heater 211.
  • the heater 211 can comprise a metallic mesh that can extend from the airflow path 212 into the aerosol forming compound and that is sized and configured to transport the aerosol forming compound 213 across the heater 211.
  • the heater 211 can comprise a ceramic material.
  • the ceramic material can extend from the airflow path 212 into the aerosol forming compound 213 and can be configured to transport the aerosol forming compound to the portion of the heater 211 within the airflow path 212.
  • the ceramic material can be porous.
  • the battery 206 in the battery section 201 can be electrically connected to the heater 211 in the aerosol section 202.
  • the electrical connection between the battery 206 and the heater 211 can comprise at least one wire connecting the battery to the heater 211.
  • the electrical connection between the battery 206 and the heater 211 can comprise electrical traces disposed within or on the battery section 201 and the aerosol forming section 213.
  • the electrical connection between the battery 206 and the heater 211 can comprise a combination of electrical wires and electrical traces.
  • the airflow path 212 can be configured to draw air from outside the electronic cigarette 200 at a place distal to the heater 211 and to direct the air drawn into the electronic cigarette 200 across the heater and towards the flavorant section 203.
  • the airflow path 212 can comprise a tubular, non-porous, insoluble material that extends the length of the aerosol section 202.
  • the airflow path 212 can be used keep the aerosol forming compound from the interior of the airflow path 212.
  • the aerosol section proximal connector 215 can be configured to connect to the flavorant section 203.
  • the flavorant section can comprise a third housing 221, a flavorant 220, a flavorant section connector 217, and a mouth piece 222.
  • the third housing 221 can surround the flavorant 220 and can be coupled to the flavorant section connector 217.
  • the flavorant section connector 217 can be sized and configured to connect to the aerosol section proximal connector 215.
  • one of the connectors can form a screw thread and the other connector can form a screw receptacle.
  • one of the connectors can form a snap-fit connector and the other connector can form a snap-fit receptacle.
  • one of the connectors can comprise at least one projection that is configured to fit within at least one matching space or receptacle in the other connector.
  • the flavorant section connector 217 and the aerosol section proximal connector can form a friction fit.
  • the flavorant 220 can comprise materials as will be described later in this disclosure.
  • the flavorant 220 can be configured to transfer a flavor or other substance to an aerosol that passes through the flavorant section 203.
  • the flavorant 220 can comprise a flavor and nicotine.
  • the flavorant can only comprise a flavor.
  • the flavorant can comprise only nicotine.
  • the mouth piece 222 can be configured to fit within a distal end of the first housing 205 and in at least one embodiment can comprise a plastic material
  • the aerosol section proximal connector can further be configured to receive a separator 216.
  • the separator 216 can be sized and configured to fit within the aerosol section proximal connector 215 of the aerosol section 202 and can separate the aerosol forming compound 213 from a flavorant 220 of the flavorant section 203.
  • the separator 216 can be sized and configured to fit within the flavorant section connector 217 of the flavorant section 203 and can separate the aerosol forming compound 213 from a flavorant 220 of the flavorant section 203.
  • FIG. 20 illustrates another embodiment of the disclosure.
  • FIG. 20 depicts an electronic cigarette 300 comprising a first section 301, a second section 302, and a mouth end 324.
  • the first section 301 can comprise a first housing 305, a battery, and a first connector 307.
  • the second section 302 can comprise a second housing 314, a second connector 308, an aerosol forming chamber 313, a first separator 316, and an insert 326.
  • the aerosol forming chamber 313 can be within and surrounded by the second housing 314.
  • the aerosol forming chamber 313 can be adjacent to the first separator 316.
  • the first separator 316 can be configured to separate the aerosol forming chamber 313 from the rest of the second section 302.
  • the second section 302 comprise a void or space in which an insert 326 can be placed.
  • the insert 326 can comprise a flavor or other compound that can move into an aerosol or other vapor that passes through the insert 326.
  • the mouth end 324 can comprise an end plug 325, a second separator 323, and a mouth piece 322.
  • the end plug can be a projection extending from a distal portion of the mouth end 324.
  • the void or space in the second section 302 can also be sized and configured to receive a portion of the mouth end 324 to secure the mouth end 324 to the electronic cigarette 300.
  • the end plug 325 can be sized and configured to fit within the second section 302 through a friction fit or other appropriate structure as known to one of ordinary skill in the art.
  • the second separator 323 can be configured to separate the insert 326 from the mouth piece 322 and can also be configured to control the aerosol that is delivered to a user using the electronic cigarette 300.
  • the electronic cigarette 300 of FIG. 20 can use a rechargeable battery that is configured to couple to a disposable second section.
  • the second section can be purchased containing an unflavored aerosol forming compound and further comprising a void in which a desired insert can later be placed by the user.
  • the unflavored aerosol can comprise a solution containing nicotine.
  • the user can then place a desired removable insert into the second section, attached the mount piece to the second section and use the electronic cigarette.
  • the removable insert can comprise at least one flavor, a desired level of nicotine, or both. If the user desires a different flavor or nicotine level they can remove the mouth piece from the electronic cigarette, remove the insert, and place a new insert within the second section. Once the user has depleted the aerosol forming substance in the second section, the second section can be thrown away or recycled, and a new second section can be attached to the rechargeable battery.
  • FIG. 21 illustrates another example of an electronic cigarette 350 according to the disclosure.
  • FIG. 21 depicts an electronic cigarette 350 comprising a battery section 351, an aerosol section 352, and an insert section 353.
  • the battery section 351 comprises a first housing 355, a battery, and a first connector 356.
  • the aerosol section 352 comprises a second housing 357, an aerosol forming chamber 360, and pod bay 361, and can comprise a separator.
  • the aerosol forming chamber 360 can be within and surrounded by the second housing 357.
  • the separator and pod bay 361 can be sized and configured to couple to the insert section 353.
  • the insert section comprises a third housing 365, and can comprise a connector 362, a flavorant 363, a second separator 364, and a mouth end 366.
  • the flavorant 363 can comprise at least one flavor, a desired level of nicotine, or both.
  • the second separator 364 can be configured to separate the flavorant 363 from the mouth end 366.
  • the second separator can be further configured to control delivery of an aerosol to the mouth end 366 of the electronic cigarette 350.
  • the connector 362 can be sized and configured to fit within the separator and pod bay 361 of the aerosol section 352. In other embodiments, the connector 362 can be sized and configured to surround the separator and pod bay of the aerosol section.
  • FIGS. 22A-22D depict various views of several embodiments of an insert section according to the disclosure.
  • the embodiment of the insert section 400 depicted in FIGS. 22A and 22B can comprise a separator 401, a flavor reservoir 402, and a mouth end 403.
  • the flavor reservoir 402 can comprise a flavorant or other substance that can be transferred to a passing aerosol.
  • the flavor reservoir 402 can be configured to connect to or abut the mouth end 403.
  • the mouth end 403 can comprise a through-hole that can allow for air to pass through the mouth end 403 and to a user.
  • the separator 401 can be coupled to the flavor reservoir 402.
  • the separator 401 can be configured to releaseably couple to the flavor reservoir 402 and can further be configured to fit within a cavity or receptacle of an aerosol section or other receiver.
  • the separator 401, the flavor reservoir 402, and the mouth end 403 can be coupled together during manufacture such that they are unable to be used if taken apart by a user or other individual.
  • the embodiment of the insert section 420 depicted in FIGS. 22C and 22D can comprise a separator 421, a flavor reservoir 422, and a mouth end 423.
  • the flavor reservoir 422 can comprise a flavorant or other substance that can be transferred to a passing aerosol.
  • the flavor reservoir 422 can be configured to fit within a cavity of the mouth end 423.
  • the mouth end 423 can comprise a through-hole that can allow for air to pass through the mouth end 423 and to a user.
  • the separator 421 can be coupled to the flavor reservoir 422.
  • FIGS. 23A and 23B illustrates several isometric views of another embodiment of an insert section 440 according to the disclosure.
  • the embodiment of the insert section 440 depicted in FIGS. 23A and 23B can comprise a pod bay 445, a separator 441, a flavor reservoir 442, a mouth end 443, and a through-hole 448.
  • the pod bay 445 can further comprise a cavity 446.
  • the cavity 446 can be sized and configured to securely receive the separator 441.
  • the separator 441 can comprise at least one puncture device 447.
  • the at least one puncture device 447 can be a hollow pointed tube.
  • the at least one puncture device 447 can be made of varying materials depending on the desired application. In one embodiment, the at least one puncture device 447 can be made of metal.
  • the at least one puncture device 447 can be made of a plastic.
  • the at least one puncture device 447 can also be made of other materials in other embodiments.
  • the at least one puncture device can be configured to puncture a seal on the flavor reservoir 442 or the puncture device can be configured in 443 to puncture 442.
  • the at least one puncture device 447 can then direct an aerosol to desired portions or areas of the flavor reservoir 442.
  • the flavor reservoir 442 can comprise a flavorant or other substance that can be transferred to a passing aerosol.
  • the flavor reservoir 442 can be configured to fit within an interior cavity of the mouth end 443.
  • the flavor reservoir 442 can be figured to abut the mouth end 443 and a separate housing or surround can be used to enclose the flavor reservoir 442.
  • the flavor reservoir 442 can be coupled to the mouth piece 443 by a friction fit, a projection, or other methods known by one of ordinary skill in the art as well as constructed as puncturing cover
  • FIGS. 24A and 24B show several isometric views of another embodiment of an insert section 460 according to the disclosure.
  • the embodiment of the insert section 460 depicted in FIGS. 24A and 24B can comprise a pod bay 465, a separator 461, a flavor reservoir 462, a mouth end 463, and a through-hole 468.
  • the pod bay 465 can further comprise a first cavity 469 and a second cavity 466.
  • the first cavity 469 can be sized and configured to join with an aerosol section or other section of an electronic cigarette.
  • the second cavity 466 can be sized and configured to securely receive the separator 461.
  • the separator 461 can comprise at least one puncture device 467.
  • the at least one puncture device can be configured to puncture a seal on the flavor reservoir 462.
  • the at least one puncture device 467 can then direct an aerosol to desired portions or areas of the flavor reservoir 462.
  • the flavor reservoir 462 can comprise a flavorant or other substance that can be transferred to a passing aerosol.
  • the flavor reservoir 462 can be contained within the mouth end 463. In one embodiment, the flavor reservoir 462 can be integral with the mouth end 463.
  • FIGS. 25A-25F show several different embodiments of a separator according to the disclosure.
  • FIG. 25A shows a back view
  • FIG. 25B shows a front view of one embodiment of a separator 500.
  • the separator 500 can comprise an aerosol entry 501, at least one aerosol exit 503, and an outer wall 502.
  • An aerosol can enter the separator 500 through the aerosol entry 501 and can then be split into a plurality of streams through the at least one aerosol exit 503.
  • the streams of aerosol leaving the separator 500 can be determined by the number, diameter, and location of the at least one aerosol exit 503.
  • the aerosol stream can intermingle with a flavor or other material contained in the flavor reservoir as described throughout this disclosure.
  • the outer wall 502 of the separator 500 can be sized and configured to fit within a housing of an electronic cigarette.
  • the outer wall 502 can be sized such that the separator 500 is secured within the electronic cigarette and can also comprise shapes to better distribute aerosol as it leaves the separator 500.
  • FIG. 25C shows a back view
  • FIG. 25D shows a front view of another embodiment of a separator 520.
  • the separator 520 can comprise an aerosol entry 521, at least one aerosol exit 523, and an outer wall 522.
  • An aerosol can enter the separator 520 through the aerosol entry 521 and can then be split into a plurality of streams through the at least one aerosol exit 523.
  • the outer wall 522 of the separator 520 can be sized and configured to fit within a housing of an electronic cigarette.
  • the outer wall 522 can further comprise a conical section 524 that can be shaped to deliver aerosol to different longitudinal portions of a flavor reservoir.
  • FIG. 25E shows a back view
  • FIG. 25F shows a front view of another embodiment of a separator 540.
  • the separator 540 can comprise an aerosol entry 541, at least one aerosol exit 543, and an outer wall 542.
  • An aerosol can enter the separator 540 through the aerosol entry 541 and can then be split into a plurality of streams through the at least one aerosol exit 543.
  • the at least one aerosol exit 543 can comprise a plurality of hollow projections configured to extend into the flavor reservoir.
  • the at least one aerosol exit can be configured to puncture a seal on the flavor reservoir.
  • the outer wall 542 of the separator 540 can be sized and configured to fit within a housing of an electronic cigarette.
  • FIGS. 26A-26D illustrate a front and back view of a pod bay 560.
  • FIG. 26A shows a back view of a pod bay 560
  • FIG. 26B shows a front view of a pod bay 560.
  • the pod bay 560 comprises a first cavity 562, a second cavity 565, and a pod wall 561.
  • the first cavity 562 can comprise a cavity wall 563 and a cavity lip 564.
  • the cavity wall 563 and the cavity lip 564 can be configured to securely hold a separator or other device within the electronic cigarette.
  • the cavity wall 563 and the cavity lip 564 can be sized such that a separator is coupled to the pod bay 560 through a friction fit.
  • the cavity wall 563 and the cavity lip 564 can more loosely hold the separator.
  • the second cavity 565 can be sized and configured to couple the back side of the pod bay 560 to another portion or section of an electronic cigarette.
  • the pod wall 561 can be shaped to fit within a housing or other enclosure of the electronic cigarette.
  • FIG. 26C shows a back view
  • FIG. 26D shows a front view of a pod bay 560 with a separator 566.
  • the pod bay 560 comprises a pod wall 561 and a second cavity 565.
  • the separator 566 is abutting the cavity lip 564 shown in FIG. 26B .
  • the separator 566 can comprise at least one puncture device 568.
  • the at least one puncture device 568 can comprise a hollow tube.
  • FIGS. 27A-27C depict three embodiments of a flavor reservoir 600 according to the disclosure.
  • FIG. 27A depicts a flavor reservoir 600 comprising a homogeneous density matrix. An aerosol that enters the flavor reservoir 600 can comingle with the flavor or other substance located within the flavor reservoir 600.
  • FIG. 27B depicts a flavor reservoir 610 comprising a low density matrix 613 and a high density matrix 612. The low density matrix 613 can comprise the center of the flavor reservoir 610 as shown in FIG. 27B . As the low density matrix 613 can hold more liquid, the higher concentration of flavor or other substance can migrate towards the outer layers.
  • FIG. 27C depicts a flavor reservoir 620 comprising a low density matrix 624 and a high density matrix 625. The high density matrix 625 can comprise the center of the flavor reservoir 620 as shown in FIG. 27C . As the low density matrix 624 can hold more liquid, the higher concentration of flavor or other substance can migrate towards the inner layer or layers.
  • FIGS. 28A-28C depict embodiments of a flavor reservoir 630 with varying numbers of chambers.
  • FIG. 28A illustrates a flavor reservoir 630 with a first chamber 631.
  • the first chamber 631 can comprise a cylindrical space within the flavor reservoir 630. In other embodiments the first chamber 631 can comprise other shapes and sizes within the flavor reservoir.
  • the first chamber 631 can further comprise an adsorbent matrix.
  • FIG. 28B illustrates an embodiment of a flavor reservoir 640 with a first chamber 641 and a second chamber 642.
  • the first chamber 641 can comprise a first flavor or other substance
  • the second chamber 642 can comprise a second flavor or other substance.
  • the first chamber 641 and the second chamber 642 can be the same size and shape.
  • the first chamber 641 can be a different size than the second chamber 642.
  • the first chamber 641 and second chamber 642 can further comprise an adsorbent matrix
  • FIG. 28C illustrates another embodiment of a flavor reservoir 650 with a first chamber 651, a second chamber 652, and a third chamber 653.
  • the first chamber 651 can comprise a first flavor or other substance
  • the second chamber 652 can comprise a second flavor or other substance
  • the third chamber 653 can comprise a third flavor or other substance.
  • the first, second, and third chambers 651, 652, 653 can be the same size.
  • the first, second, and third chambers 651 , 652, 653 can vary in size and shape.
  • FIG. 29 shows an embodiment of a flavor reservoir 660 according to an aspect of the disclosure.
  • the flavor reservoir 660 comprises at least one recess 667 and at least one thermal fin 665.
  • the at least one thermal fin 665 can be designed with temperature control functionality.
  • the thermal fin 665 can allow for tailoring the taste profile and delivery rate of the flavorant or other substance under different product configurations.
  • the at least one thermal fin 665 can comprise a metallized foil, fins, etc. as part of the flavor reservoir 660.
  • the at least one thermal fin 665 can also comprise other thermally conductive materials.
  • the at least one thermal fin 665 can allow for a passive temperature control of the flavor reservoir 660.
  • the flavor reservoir 660 can comprise an electrically active heater. The heater can cause a warming effect to control a temperature of the flavor reservoir 660.
  • FIGS. 30A and 30B illustrate an embodiment of a mouth end 700 according to an aspect of the disclosure.
  • the mouth end 700 can comprise an exit passage 702, a flexible cover 701, and a through-hole 703.
  • the mouth end 700 can further be configured to abut a flavor reservoir 706.
  • the flexible reservoir 706 can comprise an impermeable flexible membrane downstream from the flavor reservoir 706.
  • the flexible cover 701 can cover the exit passage 702 and can be secured in one section such that a negative pressure or draw on an exterior portion of the mouth end 700 adjacent the through-hole 703 can cause an aerosol to move from the flavor reservoir 706, through the exit passage 702, and out the through-hole 703.
  • the flexible cover 701 can be stiff enough such that it can cover or mostly cover the exit passage 702 while the negative pressure is not present, but flexible enough to allow a passage for an aerosol or air stream to move through the mouth end 700 when a negative pressure is created.
  • the negative pressure can be created by a user drawing on the end of the mouth end 700.
  • the flexible cover 701 can be used to maintain freshness of the flavor reservoir 706 and quality of an aerosol delivered to an exterior portion of the mouth end 700.
  • the mouth end 700 can comprise a pressure activated valve.
  • the pressure activated valve can comprise a moving ball at the exit of the flavor reservoir.
  • the pressure activated valve can open during inhalation by a user and close when the mouth end 700 is not in use.
  • the pressure activated valve can also be used to protect the freshness or flavor of the flavor reservoir 706.
  • FIGS. 31A-31C depict several embodiments of a flavor reservoir with an impermeable seal.
  • FIG. 31A depicts a front view and FIG. 3 IB depicts a back view of an embodiment of a flavor reservoir 750.
  • the flavor reservoir 750 can comprise a first seal 751 and a second seal 752.
  • the first and second seals 751, 752 can comprise aluminum foil, paper, plastic, etc.
  • the first and second seal 751 , 752 can be configured to limit the exposure of the internal portion of the flavor reservoir 750 to outside air or other substances.
  • the first and second seals 751 , 752 can be removed by a user pulling on the seal.
  • one of the seals can be punctured before use.
  • FIG. 31C depicts a front view of another embodiment of a flavor reservoir 760.
  • the seal 761 can cover all of the passages on a section of the flavor reservoir 760 or only a portion of the passages present on a section of the flavor reservoir 760.
  • FIGS. 32A-32D depict embodiments of an exit portion 801 and at least one aerosol exits 803 of various mouth ends 800.
  • the exit portion 801 of the mouth end 800 can be shaped in various ways.
  • the exit portion 801 can be shaped for consumer taste or other reasons.
  • the at least one aerosol exit 803 present in the mouth end 800 can comprise various configurations.
  • the configurations can be used to deliver an aerosol to a user in a stream, a cloud, or other method.
  • the various configurations can be used to tailor a vaping experience to a user.
  • FIG. 33 shows an embodiment of a separator according to the disclosure.
  • the separator 850 can comprise an outer wall 851, a first exit port 852, a second exit port 853, and a third exit port 854.
  • the exit ports can be configured to allow a user to select a particular flavor chamber to control aerosol delivery.
  • a user can use the outer wall 851 of the separator 850 to move twist the separator 850 and select a desired flavor in a flavor reservoir.
  • a user can twist the separator to line up one or more exit ports with a compartment in a flavor reservoir containing a specific level of nicotine or other substance.
  • the flavor containing inserts of this disclosure can be packaged as pressure releasable blisters, peelable ribbons or similar package strategies known in the packaging industry.
  • One example of a package is shown in FIG. 34 for a pressure releasable blister package of a plurality of flavor containers.
  • the flavor containing inserts of this invention can be packaged as pressure releasable blisters, peelable ribbons or similar package strategies known in the packaging industry.
  • An example is shown in figure 34 for a pressure releasable blister package of a plurality of flavor containers

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  • Manufacture Of Tobacco Products (AREA)

Claims (10)

  1. Appareil pour générer un aérosol fonctionnalisé, l'appareil comprenant :
    une section de batterie (351) comprenant un premier boîtier (355), une batterie disposée dans le premier boîtier, et un premier connecteur (356) couplé au boîtier ;
    une section d'aérosol (352) comprenant un deuxième boîtier (357), une chambre de formation d'aérosol (360) disposée dans le deuxième boîtier (357), et une baie de capsule (361) ; et
    une section d'insert (353) comprenant un troisième boîtier (365), un connecteur (362), et une extrémité buccale (366),
    la section de batterie (351) étant configurée pour se coupler avec la section d'aérosol (352),
    la section d'aérosol (352) étant configurée pour se coupler avec la section d'insert (353), et le connecteur (362) de la section d'insert (353) étant configuré pour loger dans la baie de capsule (361), la section d'aérosol (352) comprenant en outre un premier séparateur, la section d'insert (353) comprenant en outre un deuxième séparateur (364), et
    le deuxième séparateur (364) comprenant au moins un dispositif de perforation (447, 467).
  2. Appareil pour générer un aérosol fonctionnalisé selon la revendication 1, dans lequel le deuxième séparateur (364) est configuré pour contrôler la distribution d'un aérosol à une portion extérieure de l'extrémité buccale (366).
  3. Appareil pour générer un aérosol fonctionnalisé selon la revendication 1, dans lequel la section d'insert (353) comprend en outre un aromatisant.
  4. Appareil pour générer un aérosol fonctionnalisé selon la revendication 1, dans lequel la section d'insert (353) comprend en outre un réservoir d'aromatisant (462).
  5. Appareil pour générer un aérosol fonctionnalisé, l'appareil comprenant :
    une section de batterie (351) comprenant un premier boîtier (355), une batterie disposée dans le premier boîtier, et un premier connecteur (356) couplé au boîtier ;
    une section d'aérosol (352) comprenant un deuxième boîtier (357), une chambre de formation d'aérosol disposée dans le deuxième boîtier (357), et une première baie de capsule (361) ; et
    une section d'insert (460) comprenant un troisième boîtier (365), une deuxième baie de capsule (465), un séparateur (461), un réservoir d'aromatisant (462, 600), une extrémité buccale (468), un trou traversant (468), et une première cavité (469),
    la section de batterie (351) étant configurée pour se coupler à la section d'aérosol (352), la section d'aérosol (352) étant configurée pour se coupler à la section d'insert (460), et la deuxième baie de capsule (465) comprenant la première cavité (469), la première cavité (469) étant configurée pour se coupler à la section d'aérosol (352).
  6. Appareil pour générer un aérosol fonctionnalisé selon la revendication 5, dans lequel le séparateur (461) comprend au moins un dispositif de perforation (447, 467).
  7. Appareil pour générer un aérosol fonctionnalisé selon la revendication 6 ou 1, dans lequel ledit au moins un dispositif de perforation (447, 467) comprend un tube pointu creux.
  8. Appareil pour générer un aérosol fonctionnalisé selon la revendication 6 ou 1, dans lequel ledit au moins un dispositif de perforation (447, 467) est configuré pour diriger un aérosol vers une zone souhaitée de la section d'insert.
  9. Appareil pour générer un aérosol fonctionnalisé selon la revendication 5, dans lequel le réservoir d'aromatisant (600) comprend une matrice de densité homogène.
  10. Appareil pour générer un aérosol fonctionnalisé selon la revendication 5, dans lequel le réservoir d'aromatisant (600) comprend une matrice de faible densité (624) et une matrice de haute densité (625).
EP15832952.4A 2014-11-19 2015-11-19 Procédé, composition et appareil pour la fonctionnalisation d'aérosols à partir d'articles à fumer non combustibles Active EP3220761B1 (fr)

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US201462081870P 2014-11-19 2014-11-19
PCT/IB2015/002315 WO2016079589A1 (fr) 2014-11-19 2015-11-19 Procédé, composition et appareil pour la fonctionnalisation d'aérosols à partir d'articles à fumer non combustibles

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EP3220761A1 EP3220761A1 (fr) 2017-09-27
EP3220761B1 true EP3220761B1 (fr) 2020-11-04

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US (1) US20160135506A1 (fr)
EP (1) EP3220761B1 (fr)
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CN107205480A (zh) 2017-09-26
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WO2016079589A1 (fr) 2016-05-26
US20160135506A1 (en) 2016-05-19

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