巴西专利BR112014004818B1 apparatus for heating smokable material and method for heating smokable material

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专利摘要:
APPLIANCE AND ITS USE, METHOD FOR HEATING SMOKEABLE MATERIAL AND METHOD FOR MANUFACTURING A SMOKEABLE HEATING APPLIANCE. The present invention relates to an apparatus comprising a smokable material heater, configured to heat a first smokable material region to a sufficient volatilizing temperature to volatilize a smokable material component and simultaneously heat a second smokable material region to a lower temperature at said volatilizing temperature, but which is sufficient to prevent condensation of volatilized components of the smokable material. A method of heating smokable material is also described.
公开号:BR112014004818B1
申请号:R112014004818-5
申请日:2012-08-24
公开日:2021-01-05
发明作者:Petr Alexandrovich Egoyants；Dmitry Mikhailovich Volobuev；Pavel Nikolaevich Fimin；Oleg Jurievich Abramov
申请人:British American Tobacco (Investments) Limited.；
IPC主号:

专利说明:

FIELD OF THE INVENTION
[0001] This invention relates to the heating of smokable materials. BACKGROUND
[0002] Smoking articles such as cigarettes and cigars burn tobacco during use to create tobacco smoke. Attempts have been made to provide alternatives to these smoking articles by creating products that release the components without creating tobacco smoke. Examples of such products are so-called non-burning heat products that release components by heating, but without burning tobacco. SUMMARY
[0003] According to the invention, there is provided an apparatus comprising a smokable material heater, configured to heat a first region of the smokable material to a volatilizing temperature sufficient to volatilize a component of the smokable material and to simultaneously heat a second region of material smokable at a temperature lower than said volatilizing temperature, but which is sufficient to prevent condensation of volatilized components of the smokable material.
[0004] The apparatus can be configured to control the temperature of the first region of smokable material regardless of the temperature of the second region of smokable material.
[0005] The heater can comprise a plurality of heating regions including a first heating region arranged to heat the first region of smokable material and a second heating region arranged to simultaneously heat the second region of smokable material.
[0006] The plurality of operable separately and simultaneously different different temperatures.
[0007] The apparatus can be configured to cause the first heating region to heat the first region of smokable material to said volatilizing temperature and to cause the second region of heat to simultaneously heat the second region of smokable material to said lower temperature .
[0008] Subsequently, the apparatus can be configured to cause the first heating region to heat the first region of smokable material to said lower temperature and to cause the second heating region to simultaneously heat the second region of smokable material to said volatilizing temperature.
[0009] Subsequently, the apparatus can be configured to cause a third heating region to heat a third region of smokable material at said volatilizing temperature and to cause the first and / or second heating region (s) to heat the first and / or second regions of material smokable at said lower temperature.
[0010] The apparatus can be configured to successively heat different regions of smokable material to said volatilizing temperature while simultaneously heating unheated regions of smokable material to said volatilizing temperature to said lower temperature to prevent condensation of the volatilized components.
[0011] The apparatus may comprise a smokable material heating chamber to contain the smokable material during heating.
[0012] The heating chamber can be located adjacent to the heater.
[0013] The lower temperature can prevent condensation of volatilized components in the heating chamber.
[0014] The apparatus may comprise a mouthpiece through which the volatilized components of the smokable material can be inhaled. The volatilizing temperature can be 100 degrees Celsius or higher.
[0015] The lower temperature can be less than 100 degrees Celsius.
[0016] According to the invention, a method of manufacturing the apparatus is provided.
[0017] According to the invention, a method of heating smokable material is provided comprising: heating a first region of the smokable material to a volatilizing temperature to volatilize at least one component of the smokable material for inhalation; and simultaneously heating a second region of the smokable material to a temperature below the volatilization temperature, but which is sufficient to prevent condensation of volatilized components of the smokable material.
[0018] For purposes of examples only, embodiments of the invention will now be described below with reference to the attached figures, in which: BRIEF DESCRIPTION OF THE FIGURES
[0019] Figure 1 is a perspective illustration, partially in section, of an apparatus configured to heat smokable material to release aromatic components and / or nicotine from the smokable material;
[0020] Figure 2 is an illustration of an apparatus configured to heat smokable material, in which a heater is located external to the smokable material heating chamber in order to provide heat in a radially inward direction to heat the smokable material in it;
[0021] Figure 3 is a perspective illustration, partially in section, of an apparatus configured to heat smokable material, in which the smokable material is supplied around an elongated ceramic heater divided into radial heating sections;
[0022] Figure 4 is an exploded view, partially in section, of an apparatus configured to heat smokable material, in which the smokable material is supplied around an elongated ceramic heater divided into radial heating sections;
[0023] Figure 5 is a perspective illustration, partially in section, of an apparatus configured to heat smokable material, in which the smokable material is supplied in an elongated infrared heater;
[0024] Figure 6 is an exploded view, partially in section, of an apparatus configured to heat smokable material, in which the smokable material is supplied in an elongated infrared heater;
[0025] Figure 7 is a schematic illustration of part of an apparatus configured to heat smokable material, in which the smokable material is supplied around a plurality of elongated longitudinal heating sections spaced around a central longitudinal axis;
[0026] Figure 8 is a perspective illustration of part of an apparatus configured to heat smokable material, in which regions of smokable material are provided between pairs of vertical heating plates;
[0027] Figure 9 is a perspective illustration of the apparatus shown in Figure 7, in which an external housing is further illustrated;
[0028] Figure 10 is an exploded view of part of an apparatus configured to heat smokable material, in which regions of smokable material are provided between pairs of vertical heating plates;
[0029] Figure 11 is a flowchart showing a method for activating heating regions and for opening and closing heating chamber valves during the puff;
[0030] Figure 12 is a schematic illustration of a gas flow through an apparatus configured to heat smokable material;
[0031] Figure 13 is a graphic illustration of a heating pattern that can be used to heat smokable material using a heater;
[0032] Figure 14 is a schematic cross-sectional illustration of a vacuum insulation section configured to isolate heated smokable material from heat loss;
[0033] Figure 15 is another schematic cross-sectional illustration of a vacuum insulation section configured to isolate heated smokable material from heat loss;
[0034] Figure 16 is a schematic cross-sectional illustration of a heat resistive thermal bridge that follows an indirect path from a higher temperature insulation wall to a lower temperature insulation wall.
[0035] Figure 17 is a schematic cross-sectional illustration of a heat shield and a heat-transparent window that are movable in relation to the body of the smokable material to selectively allow thermal energy to be transmitted to different sections of the smokable material through from the window; and
[0036] Figure 18 is a schematic cross-sectional illustration of part of an apparatus configured to heat smokable material, in which a heating chamber is hermetically sealed by check valves. DETAILED DESCRIPTION
[0037] As used herein, the term "smokable material" includes any material that provides volatilized components under heating and includes any material containing tobacco and may, for example, include one or more among tobacco, tobacco derivatives, expanded tobacco, tobacco reconstituted or tobacco substitutes.
[0038] An apparatus 1 for heating smokable material comprises a power source 2, a heater 3 and a heating chamber 4. Power source 2 may comprise a battery such as a Li ion battery, Ni battery, alkaline battery and / or the like, and is electrically coupled to heater 3 to provide electrical energy to heater 3 when required. The heating chamber 4 is configured to receive smokable material 5 so that the smokable material 5 can be heated in the heating chamber 4. The heating chamber 4 is located adjacent to heater 3 so that the thermal energy of heater 3 heats the smokable material 5 to volatilize aromatic components and nicotine in smokable material 5, without burning the smokable material 5. A mouthpiece 6 is provided through which a user of the apparatus 1 can inhale the volatilized components during use of the apparatus 1. The smokable material 5 can comprise a mixture of tobacco.
[0039] The heater 3 may comprise a substantially elongated cylindrical heater 3 and the heating chamber 4 may be located both externally and internally to a longitudinal outer surface of the heater 3. For example, with reference to Figure 1, the heating chamber 4 it can be located around the outside of a longitudinal circumferential surface of the heater 3. The heating chamber 4 and the smokeable material 5 can therefore comprise coaxial layers around the heater 3. Alternatively, with reference to Figure 2, the heating chamber heating 4 can be located internally to the longitudinal surface of the heater 3 so that the heating chamber 4 comprises a core or other internal cavity of the heating surface. As will be evident from the discussions below, other formats and configurations of heater 3 and heating chamber 4 can alternatively be used.
[0040] A housing 7 may contain components of the apparatus 1 such as the power source 2 and the heater 3. The housing 7 may comprise an approximately cylindrical tube with the power source 2 located towards its first end 8 and the heater 3 and the heating chamber 4 located towards its second opposite end. Power source 2 and heater 3 extend along the longitudinal axis of housing 7. For example, as shown in figures 1 and 2, power source 2 and heater 3 can be aligned along the central longitudinal axis of the housing. housing 7 in a substantially end-to-end arrangement, so that an end face of the power source 2 substantially faces an end face of the heater 3. Heat insulation can be provided between the power source 2 and the heater 3 to prevent direct heat transfer from one to the other.
[0041] The length of housing 7 can be approximately 130 mm, the length of the power source can be approximately 59 mm, and the length of heater 3 and heating region 4 can be approximately 50 mm. The diameter of the housing 7 can be between approximately 9 mm and approximately 18 mm. For example, the diameter of the first end of the housing 8 can be between 15 mm and 18 mm while the diameter of the nozzle 6 at the second end of the housing 9 can be between 9 mm and 15 mm. The diameter of heater 3 can be between approximately 2.0 mm and approximately 13.0 mm, depending on the configuration of the heater. For example, a heater 3 located outside the heating chamber 4 as shown in figure 2 can have a diameter between approximately 9.0 mm and approximately 13.0 mm, while the diameter of the heater 3 located inside the heating chamber, as shown in figure 1, it can be between approximately 2.0 mm and approximately 4.5 mm, such as between approximately 4.0 mm and approximately 4.5 mm or between approximately 2.0 mm and approximately 3.0 mm. The heater diameters outside these ranges can be used alternatively. The diameter of the heating chamber 4 can be between approximately 5.0 mm and approximately 10.0 mm. For example, a heating chamber 4 located outside the heater 3, such as the one shown in figure 1, may have an external diameter of approximately 10 mm on its surface facing the outside, while a heating chamber 4 located inside the heater 3, such as that shown in figure 2, can have a diameter between approximately 5 mm and approximately 8.0 mm, such as between approximately 3.0 mm and approximately 6.0 mm. The diameter of the power source 2 can be between approximately 14.0 mm and approximately 15.0 mm, such as 14.6 mm although other diameters of energy source 2 can also be used.
[0042] The nozzle 6 can be located on the second end 9 of the housing 7, adjacent to the heating chamber 4 and smokable material 5. The housing 7 is suitable to be grasped by the user when using the device 1 so that the user can inhaling volatilized components of the smoking material from the nozzle 6 of the apparatus 1.
[0043] The heater 3 can comprise a ceramic heater 3, examples of which are shown in figures 1 to 4. The ceramic heater 3 can, for example, comprise alumina-based and / or silicon nitride ceramics which are laminated and sintered.
[0044] Alternatively, with reference to figures 5 and 6, heater 3 may comprise an infrared (IR) heater 3 such as a halogen-IR lamp. The IR heater 3 may have low mass and therefore its use can help to reduce the total mass of the device 1. For example, the mass of the IR heater can be 20% to 30% less than the mass of a ceramic heater 3 having an equivalent heating energy output. The IR heater 3 also has low thermal inertia and therefore is able to heat the smokable material 5 very quickly in response to an activation stimulus. The IR 3 heater can be configured to emit IR electromagnetic radiation between approximately 700 nm and 4.5 μm in wavelength. Another alternative is to use a resistive heater 3, such as a coiled resistive wire and a ceramic insulation layer deposited on a wall of the thermal insulation 18 referred to below.
[0045] As indicated below and shown in figure 1, the heater 3 can be located in a central region of the housing 7 and the heating chamber 4 and the smoking material can be located around the longitudinal surface of the heater 3. In this arrangement, the thermal energy emitted by the heater 3 can travel in a radial direction externally to the longitudinal surface of the heater 3 to the heating chamber 4 and the smokable material 5. Alternatively, as shown in figure 2, the heater 3 can be located towards the periphery of the housing 7 and the heating chamber 4 and the smokable material 5 can be located in a central region of the housing 7 that is internal from the longitudinal surface of the heater 3. In this arrangement, the thermal energy emitted by the heater 3 travels in one direction radial inward from a longitudinal surface of the heater 3 to the heating chamber 4 and the smokable material 5.
[0046] The heater 3 comprises a plurality of individual heating regions 10, as shown in figures 2 and 3. The heating regions 10 are operable independently of each other so that different regions 10 can be activated at different times to heat the smokable material 5. The heating regions 10 can be arranged in heater 3 in any geometric arrangement. However, in the example shown in the figures, the heating regions 10 are geometrically arranged in the heater 3 so that different heating regions 10 are arranged to predominantly and independently heat different regions of the smokable material 5.
[0047] For example, with reference to figures 2 and 3, the heater 3 can comprise a plurality of axially aligned heating regions 10 in a substantially elongated arrangement. The regions 10 can each comprise an individual element of the heater 3. The heating regions 10 can, for example, all be aligned with each other along a longitudinal axis of the heater 3, thus providing a plurality of independent heating zones. along the length of the heater 3. Each heating region 10 may comprise a heating cylinder 10 having a finite length that is significantly less than the length of the heater 3 as a whole. The cylinders 10 may comprise solid discs where each disc has a depth equivalent to the length of the cylinder referred to above. An example of this is shown in figure 3. Alternatively, cylinders 10 may comprise hollow rings, an example of which is shown in figure 2. In this case, the arrangement of axially aligned heating regions 10 defines the exterior of the heating chamber 4 and are configured to apply heat inward, predominantly towards the central longitudinal axis of chamber 4. The heating regions 10 are arranged with their radial, or otherwise transverse surfaces, facing each other along the length of the heater 3. The transverse surfaces of each region 10 can touch the transverse surfaces of its neighboring regions 10. Alternatively, the transverse surfaces of each region 10 can be separated from the transverse surfaces of its neighboring region (s) 10. Thermal insulation 18 may be present between such separate heating regions 10, as discussed in more detail below. An example of this is shown in figure 2.
[0048] In this way, when one of the particular heating regions 10 is activated, it provides thermal energy for the smokable material 5 located radially into or out of the heating region 10 without substantially heating the rest of the smokable material 5. For For example, with reference to figure 3, the smokable material heating region 5 may comprise a smokable material ring 5 located around the activated heating region 10. The smokable material 5 can therefore be heated in independent sections, for example, ring or core sections, where each section corresponds to the smokable material 5 located directly in or out of one of the particular heating regions 10 and has a mass and volume that is significantly less than the body of the smokable material 5 as a whole.
[0049] In yet another alternative configuration, with reference to figure 7, the heater 3 may comprise a plurality of elongated heating regions 10 extending longitudinally positioned in different locations around the central longitudinal axis of the heater 3. Although shown to be of different lengths in figure 7, the heating regions 10 extending longitudinally can be of substantially the same length so that each extends over substantially the entire length of the heater 3. Each heating region 10 can comprise, for example, a individual IR heating element 10 such as an IR heating filament 10. Optionally, a heat insulating body or heat reflective material can be provided along the central longitudinal axis of the heater 3 so that the thermal energy emitted by each heating region 10 travel predominantly out of heater 3 and into the chamber heating element 4 and then heat the smoking material 5. The distance between the central longitudinal axis of the heater 3 and each heating region 10 can be substantially the same. The heating regions 10 can optionally be contained in a transparent tube substantially infrared and / or heat, or other housing, which forms a longitudinal surface of the heater 3. The heating regions 10 can be fixed in position relative to other heating regions 10 inside the tube.
[0050] In this way, when one of the particular heating regions 10 is activated, it provides thermal energy for the smokable material 5 located adjacent to the heating region 10 without substantially heating the rest of the smokable material 5. The heated section of the smokable material 5 can comprise a longitudinal section of smokable material 5 that remains parallel and directly adjacent to the longitudinal heating region 10. Therefore, as with the previous examples, the smokable material 5 can be heated in independent sections.
[0051] As will be described below, heating regions 10 can each be individually and selectively activated.
[0052] The smokable material 5 can be contained in a cartridge that can be inserted into the heating chamber 4. For example, as shown in figure 1, the cartridge 11 can comprise a tube of smokable material 11 that can be inserted into the around the heater 3 so that the inner surface of the smoke pipe 11 faces the longitudinal surface of the heater 3. The smoke pipe 11 can be hollow. The diameter of the hollow center of the tube 11 can be substantially equal to, or slightly larger than, the diameter of the heater 3 so that the tube 11 is in a good fit around the heater 3. Alternatively, with reference to figure 2, the The cartridge 11 may comprise a substantially solid rod of smokable material 5 that can be inserted into a heating chamber 4 located inside the heater 3 so that the outer longitudinal surface of the rod 11 faces the inner longitudinal surface of the heater 3. The length of the cartridge 11 can be approximately equal to the length of the heater 3 so that the heater 3 can heat the cartridge 11 along its entire length.
[0053] In another alternative configuration of heater 3, heater 3 comprises a spiral-shaped heater 3. The spiral-shaped heater 3 can be configured to screw onto the smokeable material cartridge 11 and may comprise adjacent and axially aligned heating regions 10 in order to operate in substantially the same manner as described for the elongated and linear heater 3 discussed above with reference to figures 1 and 3.
[0054] Alternatively, with reference to figures 8, 9 and 10, a different geometric configuration of heater 3 and smokable material 5 can be used. More particularly, the heater 3 may comprise a plurality of heating regions 10 that extend directly into the elongated heating chamber 4 which is divided into sections by the heating regions 10. During use, the heating regions 10 extend directly into a cartridge of elongated smokable material 11 or other substantially solid bodies of smokable material 5. The smokable material 5 in the heating chamber 4 is thus divided into discrete sections separated from each other by the remote heating regions 10. The heater 3, chamber heating elements 4 and smoking material 5 can extend together along a central longitudinal axis of the housing 7. As shown in figures 8 to 10, the heating regions 10 can each comprise a projection 10, such as a heating plate vertical 10, which extends to the body of the smokable material 5. The projections 10 are discussed below in the context of heating plates 10. The principle The main plane of the heating plates 10 can be substantially perpendicular to the main longitudinal axis of the body of the smokable material 5 and heating chamber 4 and / or housing 7. The heating plates 10 can be parallel to each other, as shown in figures 8 and 10. Each section of smokable material 5 is connected by a main heating surface of a pair of heating plates 10 located on both sides of the smokable material section, so that the activation of one or both heating plates 10 will cause the thermal energy to be transferred directly to the smokable material 5. The heating surfaces can be stamped to increase the surface area of the heating plate 10 against the smoking material 5. Optionally, each heating plate 10 can comprise a layer thermally reflective which divides plate 10 into two halves along its main plane. Each half of the plate 10 can then constitute a separate heating region 10 and can be independently activated to heat only the section of smokable material 5 that remains directly against that half of the plate 10, instead of the smokable material 5 on both sides of the plate 10. Adjacent plates 10, or facing portions thereof, can be activated to heat a section of smokable material 5, which is located between the adjacent plates, from substantially opposite sides of the smokable material section 5.
[0055] In this way, when one or a pair of heating regions 10 in particular is activated, it provides thermal energy for the smokable material 5 located directly adjacent to the adjacent region (s) 10 without substantially heating the rest of the smokable material 5. The heated section of smokable material 5 may comprise a radial section of smokable material 5 located between the heating regions 10, as shown in figures 8 to 10.
[0056] The housing 7 of the apparatus 1 can comprise an opening through which the cartridge 11 can be inserted into the heating chamber 4. The opening can, for example, comprise an opening located at the second end of the housing 9 so that the cartridge 11 can be slid into the opening and pushed directly into the heating chamber 4. The opening is preferably closed when using the apparatus 1 to heat the smokable material 5. Alternatively, a section of the housing 7 at the second end 9 is removable from of the apparatus 1 so that the smokable material 5 can be inserted into the heating chamber 4. An example of this is shown in figure 10. The apparatus 1 can optionally be equipped with a user-operated smokable material ejection unit, such as a internal mechanism configured to slide used smoke material 5 out and / or away from heater 3. Used smoke material 5 can, for example, be pushed back through the opening in the housing 7. A new cartridge 11 can then be inserted as required.
[0057] Thermal insulation 18 can be provided between the smokable material 5 and an external surface 19 of the housing 7. Thermal insulation reduces the heat loss of the apparatus 1 and therefore improves the efficiency with which the smokable material 5 is heated. With reference to figure 14, insulation 18 may comprise vacuum insulation 18. For example, insulation 18 may comprise a layer that is bonded by a wall material 19 such as a metallic material. An inner region or core 20 of insulation 18 may comprise a porous open cell material, for example, comprising polymers, airgel, or other suitable materials, which are evacuated at low pressure. The internal region 20 of the insulation 18 is configured to absorb gases that can be generated within the region 20 to maintain the vacuum state. The pressure in the inner region 20 can be in the range of 0.1 to 0.001 mbar. The wall 19 of the insulation 18 is strong enough to resist the force exerted against it due to the pressure differential between the core 20 and external surfaces of the wall 19, thus preventing the insulation 18 from collapsing. The wall 19 may, for example, comprise a stainless steel wall 19 having a thickness of approximately 100 µm. The thermal conductivity of insulation 18 can be in the range of 0.004 to 0.005 W / mK. The heat transfer coefficient of insulation 18 can be between approximately 1.10 W / (m2K) and approximately 1.40 W / (m2K) within a temperature range between approximately 100 degrees Celsius and 250 degrees Celsius, as well as within a range of approximately 150 degrees Celsius to approximately 250 degrees Celsius. The gaseous conductivity of the insulation 18 is negligible. A reflective coating can be applied to the internal surfaces of the wall material 19 to minimize heat losses due to radiation spreading through the insulation 18. The coating can, for example, comprise an aluminum reflective IR coating having a thickness of between approximately 0.3 μm and 1.0 μm. The evacuated state of the inner core region 20 means that the insulation 18 works even when the thickness of the core region 20 is very small. The insulation properties are substantially unaffected by its thickness. This helps to reduce the overall size, particularly the diameter, of the device 1.
[0058] As shown in Figure 14, wall 19 comprises an inward facing section 21 and an outward facing section 22. The inward facing section 21 substantially faces the smokable material 5 and the heating chamber 4. The facing section outside 22 substantially faces the outside of housing 7. During operation of the apparatus 1, the inward-facing section 21 may be warmer due to the thermal energy that originates from heater 3, while the outward-facing section 22 is cooler due to to the effect of insulation 18. The inward facing section 21 and the outward facing section 22 may both comprise substantially longitudinally extending walls 19 that are at least as long as heater 3 and heating chamber 4. The inner surface of the outward facing wall section 22, that is, the surface facing the evacuated core region 20, may comprise a coating to absorb gas in the core 20. An appropriate coating is a film of titanium oxide.
[0059] As shown in figure 2, the total length of the insulating body 18 may be greater than the length of the heating chamber 4 or the heater 3 in order to further reduce the heat loss from the apparatus 1 to the atmosphere outside housing 7. For example, thermal insulation 18 can be between approximately 70 mm and approximately 80 mm.
[0060] With reference to the schematic illustrations in figures 14 and 15, a thermal bridge 23 can connect the inward facing wall section 21 to the outward facing wall section 22 at the ends of insulation 18 in order to completely envelop and contain the low pressure core 20. The thermal bridge 23 may comprise a wall 19 formed of the same material as the inward and outward facing sections 21, 22. A suitable material is stainless steel, as previously discussed. The thermal bridge 23 has a higher thermal conductivity than the insulation core 20 and thus has a greater potential than the core 20, to undesirably conduct the heat out of the apparatus 1 and thus reduce the efficiency with which the smokable material 5 is heated.
[0061] To reduce heat losses due to thermal bridge 23, thermal bridge 23 can be extended to increase its resistance to heat flow from the inward facing section 21 to the outward facing section 22. This is schematically illustrated in figure 16. For example, the thermal bridge 23 can follow an indirect path between the inward facing section 21 of the wall 19 and the outward facing section 22 of the wall 19. The thermal bridge 23 is present at a longitudinal location on the apparatus 1 where heater 3 and heating chamber 4 are not present. This means that the thermal bridge 23 gradually extends from the inward facing section 21 to the outward facing section 22 along the indirect path, thus reducing the core thickness 20 to zero, to a longitudinal location in housing 7 where the heater 3, heating chamber 4 and smoke material 5 are not present, thus further limiting the heat conduction outside the appliance 1.
[0062] As mentioned above with reference to figure 2, heater 3 can be integrated with thermal insulation 18. For example, thermal insulation 18 can comprise a substantially elongated hollow body such as a substantially insulating cylinder tube 18 which is located co-axially around the heating chamber 4 and into which the heating regions 10 are integrated. The thermal insulation 18 may comprise a layer in which recesses are provided in the profile of the inwardly facing surface 21. Heating regions 10 are located in these recesses so that the heating regions 10 face the smokable material 5 in the heating chamber 4. The surfaces of the heating regions 10 facing the heating chamber 4 can be filled with the inner surface 21 of the thermal insulation 18 in insulation regions 18 that are not recessed.
[0063] Integrating the heater 3 with the thermal insulation 18 means that the heating regions 10 are substantially surrounded by the insulation 18 on all sides of the heating regions 10 different from those facing inward towards the smokable material heating chamber 4. As such, the heat emitted by the heater 3 is concentrated in the smokable material 5 and does not dissipate to other parts of the appliance 1 or to the atmosphere outside the housing 7.
[0064] The integration of heater 3 with thermal insulation 18 also reduces the thickness of the combination of heater 3 and thermal insulation 18 compared to providing heater 3 separately and intervening with a thermal insulation layer 18. This may allow the diameter of the apparatus 1, in particular the outer diameter of the housing 7, is reduced resulting in a product conveniently dimensioned in reduced dimensions.
[0065] Alternatively, the reduction in thickness provided by the integration of heater 3 with thermal insulation 18 may allow a heating chamber 4 of larger smokable material to be accommodated in appliance 1, or the introduction of additional components, without any increase in overall width of the housing 7, when compared to a device in which the heater 3 is separated and positioned internally from a thermal insulation layer 18.
[0066] A benefit of integrating heater 3 with insulation 18 is that the size and weight of the combination of heater 3 and insulation 18 can be reduced compared to devices in which there is no integration of heater and insulation. The reduction in the size of the heater allows a corresponding reduction in the housing diameter. Reducing the weight of the heater, in turn, decreases the heating rise time and therefore reduces the heating time of the appliance 1.
[0067] In addition to or alternatively to thermal insulation 18, a heat reflective layer may be present between the transverse surfaces of the heating regions 10. The arrangement of the heating regions 10 in relation to each other can be such that thermal energy emitted from each of the heating regions 10 does not substantially heat the neighboring heating regions 10 and instead travels predominantly to the heating chamber 4 and smokable material 5. Each heating region 10 can have substantially the same dimensions as the others regions 10.
[0068] The apparatus 1 may comprise a controller 12, such as a microcontroller 12, which is configured to control the operation of the apparatus 1. The controller 12 is electronically connected to the other components of the apparatus 1 such as the power source 2 and the heater 3 so that it can control its operations when sending and receiving signals. Controller 12 is, in particular, configured to control the activation of heater 3 to heat smokable material 5. For example, controller 12 can be configured to activate heater 3, which may comprise selectively activating one or more of the heating regions 10, in response to a user drag on the nozzle 6 of the apparatus 1. In this respect, the controller 12 can be in communication with a drag sensor 13 via a suitable communicative coupling. The puff sensor 13 is configured to detect when a puff occurs at the nozzle 6 and, in response, it is configured to send a signal to the controller 12 indicative of the puff. An electronic signal can be used. Controller 12 can respond to the signal from the puff sensor 13 by activating heater 3 and therefore heating the smoking material 5. The use of a puff sensor 13 to activate heater 3 is not, however, essential and other means to provide a stimulus to activate heater 3, such as a user-operable actuator, it can alternatively be used. The volatilized compounds released during heating can then be inhaled by the user through the nozzle 6. The controller 12 can be located in any appropriate position inside the housing 7. An example of a position is between the power source 2 and the heater 3 / heating chamber 4, as illustrated in figure 4. Controller 12 can be configured to activate, or otherwise cause heating, individual heating regions 10 in a predetermined or standard order. For example, controller 12 can be configured to activate heating regions 10 sequentially along or around the heating chamber 4. Each activation of a heating region 10 can be in response to the detection of a puff by the puff sensor 13 or it can be triggered in an alternative way, such as by running a predetermined period of time after the activation of the previous heating region 10 or by running a predetermined period of time after the initial activation of the heater (for example , activation of the first region 10), as described below.
[0069] With reference to figure 11, an example of a heating method may comprise a first stage S1 in which an activation stimulus such as a first puff is detected followed by a second stage S2 in which the first section of smokable material 5 is heated in response to the activation stimulus. In a third step S3, hermetically sealable inlet and outlet valves 24 can be opened to allow air to be sucked through the heating chamber 4 and outside the appliance 1 through the nozzle 6. In a fourth step, the valves 24 are closed . These valves 24 are described in greater detail below with respect to figures 2 and 18. In the fifth S5, sixth S6, seventh S7 and eighth S8 steps, a second section of smokable material 5 can be heated, for example, in response to another stimulus of activation such as a second puff, with a corresponding opening and closing of the inlet and outlet valves of the heating chamber 24. In the ninth S9, tenth S10, eleventh S11 and tenth S12 steps, a third section of the smokable material 5 can be heated, for example, in response to another activation stimulus such as a third puff, with a corresponding opening and closing of the heating chamber inlet and outlet valves 24, and so on. Alternatively means other than a drag sensor 13 may alternatively be used. For example, a user of device 1 can actuate a switch to indicate that he / she is taking another drag.
[0070] In this way, a fresh section of the smokable material 5 can be heated to volatilize nicotine and aromatic compounds for each new puff or in response to a certain amount of certain components, such as nicotine and / or aromatic compounds, being released from the previously heated section of smokable material 5. The number of heating regions 10 and / or independently heatable sections of the smokable material 5 may correspond to the number of puffs by which the cartridge 11 is intended to be used. Alternatively, each independently heatable smokable material section 5 can be heated by its corresponding heating region 10 for a plurality of puffs such as two, three or four puffs, so that a fresh section of smokable material 5 is heated only after a plurality puffs have been taken, while heating the previous section of smoking material.
[0071] As briefly mentioned previously, instead of activating each heating region 10 in response to an individual drag, heating regions 10 can alternatively be activated sequentially, for example, over a certain period of use, one after the other. This can occur in response to an initial activation stimulus such as a single initial drag on the mouthpiece 6. For example, the heating regions 10 can be activated at regular intervals, predetermined by the expected inhalation period for a material cartridge smokable 11 particular. The predetermined intervals may correspond to the time it takes to release a certain amount of components such as nicotine and / or aromatic components from each section of smokable material. An example of an interval is between approximately 60 and 240 seconds. Therefore, at least the fifth and ninth steps S5, S9 shown in figure 11 are optional. Each heating region 10 can continue to be activated for a predetermined period, which can correspond to the duration of the intervals mentioned above or can be longer, as described below. Since all heating regions 10 have been activated by a particular cartridge 11, controller 12 can be configured to indicate to the user that cartridge 11 should be changed. Controller 12 can, for example, activate an indicator light on the outer surface of housing 7.
[0072] It should be noted that activating individual heating regions 10 in order instead of activating the entire heater 3 means that the energy required for the smokable material 5 is reduced over what would be required if heater 3 were to be activated entirely over the entire inhalation period of cartridge 11. Therefore, the maximum energy output required from power source 2 is also reduced. This means that a smaller, lighter power source 2 can be installed in the device 1.
[0073] Controller 12 can be configured to disable heater 3, or to reduce the energy being supplied to heater 3, between puffs. This saves energy and extends the life of power source 2. For example, under device 1 being exchanged for a user or in response to some other stimulus, such as detecting a user placing his mouth against nozzle 6, controller 12 can be configured to cause heater 3, or the nearby heating region 10 to be used to heat smokable material 5, to be partially activated so that it heats up in preparation to volatilize smokable material components 5. Partial activation does not heat the smokable material 5 at a temperature sufficient to volatilize nicotine. A suitable temperature can be 100 ° C or below, although temperatures below 120 ° C can be used. An example is a temperature between 60 ° C and 100 ° C, such as a temperature between 80 ° C and 100 ° C. The temperature can be less than 100 ° C. In response to the detection of a puff by the puff sensor 13 , or some other stimulus such as a predetermined period of time, the controller 12 can then cause the heater 3 or heating region 10 in question to heat the smoking material 5 further in order to quickly volatilize the nicotine and other aromatic components for user inhalation. The temperature of a partially heated heating region 10 can be increased to the full volatilization temperature in a shorter period of time than if the heating region 10 were started from “cold”, that is, without being partially heated .
[0074] If the smokable material 5 comprises tobacco, a suitable temperature to volatilize nicotine and other aromatic components can be 100 ° C or above, such as 120 ° C or above. An example is the temperature between 100 ° C and 250 ° C, such as between 100 ° C and 220 ° C, between 100 ° C and 200 ° C, between 150 ° C and 250 ° C or between 130 ° C and 180 ° C. The temperature can be greater than 100 ° C. An exemplary total activation temperature is 150 ° C, although other values such as 250 ° C are also possible. A super capacitor can optionally be used to provide the peak current used to heat the smokable material 5 to the volatilization temperature. An example of a suitable heating pattern is shown in figure 13, in which the peaks can respectively represent the total activation of different heating regions 10. As can be seen, the smokable material 5 is maintained at the volatilization temperature for the approximate period of the puff which, in this example, is two seconds.
[0075] Three exemplary operating modes for heater 3 are described below.
[0076] In a first operational mode, during the total activation of a particular heating region 10, all other heating regions 10 of the heater are deactivated. Therefore, when a new heating region 10 is activated, the previous heating region is deactivated. The energy is supplied only to the activated region 10. The heating regions 10 can be activated sequentially along the length of the heater 3 so that nicotine and aromatic components are regularly released from fresh portions of smokable material 5 until the cartridge 11 is exhausted. This mode provides a more uniform distribution of nicotine and flavor of smoking material than the total activation of all heating regions 10 for the duration of the heating period of cartridge 11. As with the other modes described below, energy is also saved by not fully activating all heating regions 10 for the duration of the heating period of the smokeable material cartridge 11.
[0077] Alternatively, in a second operating mode, once a particular heating region 10 has been activated, it remains fully activated until heater 3 is turned off. Therefore, the energy supplied to the heater 3 incrementally increases as more of the heating regions 10 are activated during inhalation from the cartridge 11. The continuous activation of the heating regions 10 through the chamber 4 substantially prevents condensation of components such as volatilized nicotine from the smokable material 5 in the heating chamber 4.
[0078] Alternatively, in a third operational mode, during the total activation of a particular heating region 10, one or more of the other heating regions 10 can be partially activated. Partial activation of one or more other heating regions 10 may comprise heating the other region (s) 10 to a temperature that is sufficient to substantially prevent condensation of components such as volatilized nicotine from the smokable material 5 in the heating chamber 4. One example is 100 ° C. Other examples include the partial activation temperature ranges previously described. The temperature of the heating regions 10 that are partially activated is less than the temperature of the heating region 10 that is fully activated. The smokeable material 10 located adjacent to the partially activated regions 10 is not heated to a temperature sufficient to volatilize the components of the smokable material 5. For example, under the total activation of a new heating region 10, the previously fully activated heating region 10 it is partially, but not entirely, deactivated in order to continue to heat its adjacent smoking material 5 to a lower temperature and thus prevent condensation of volatilized components in the heating chamber 4. Retaining the previous heating regions 10, or any other, the heating regions 10 in a partially instead of fully activated state during full activation of one or more heating regions 10 prevents the smokable material 5 adjacent to the fully activated regions 10 from becoming overly roasted and thus avoids the potential negative effects on flavor experiment by device user 1.
[0079] For any of the alternatives described above, heating regions 10 can either be heated to full operating temperature immediately after activation or can be initially heated to a lower temperature, as previously discussed, before being fully activated after a period of predetermined time to heat the smokable material 5 to volatilize nicotine and other aromatic compounds.
[0080] The apparatus 1 may comprise a heat shield 3a, which is located between the heater 3 and the heating chamber 4 / smoke material 5. The heat shield 3a is configured to substantially prevent thermal energy from flowing through the shield of heat 3a and therefore can be used to selectively prevent the smokable material 5 from being heated even when the heater 3 is activated and emitting thermal energy. With reference to figure 17, the heat shield 3a can, for example, comprise a cylindrical layer of heat reflective material that is located co-axially around the heater 3. Alternatively, if the heater 3 is located around the heating chamber heating 4 and smokable material 5 as previously described with reference to figure 2, the heat shield 3a may comprise a cylindrical layer of heat reflective material that is located co-axially around the heating chamber 4 and co-axially within the heater 3. The heat shield 3a may additionally or alternatively comprise a heat insulating layer configured to insulate heater 3 from the smokable material 5.
[0081] The heat shield 3a comprises a window substantially transparent to heat that allows thermal energy to propagate through window 3b and into the heating chamber 4 and smokable material 5. Therefore, the smokable material section 5 which is aligned with window 3b it is heated while the rest of the smokable material 5 is not. The heat shield 3a and the window 3b can be rotatable or otherwise movable with respect to the smokable material 5 so that different sections of the smokable material 5 can be selectively and individually heated by rotating or moving the heat shield 3a and the window 3b. The effect can be similar to the effect provided by selectively and individually activating the heating regions 10 previously mentioned. For example, heat shield 3a and window 3b can be rotated or otherwise moved incrementally in response to a signal from the puff detector 13. Additionally or alternatively, heat shield 3a and window 3b can be rotated or otherwise moved incrementally in response to a predetermined warm-up period being elapsed. The movement or rotation of the heat shield 3a and window 3b can be controlled by electronic signals from controller 12. The relative rotation or other movement of the heat shield 3a / window 3b and smoke material 5 can be directed by a stepper motor. 3c under the control of controller 12. This is illustrated in figure 17. Alternatively, heat shield 3a and window 3b can be manually rotated using a user control such as an actuator in housing 7. Heat shield 3a does not require be cylindrical and can optionally comprise one or more elements and / or plates that extend longitudinally in a suitable position.
[0082] It should be noted that a similar result can be obtained by rotating or moving the smokable material 5 in relation to heater 3, heat shield 3a and window 3b. For example, the heating chamber 4 can be rotatable around the heater 3. If this is the case, the above description related to the movement of the heat shield 3a can be applied instead of the movement of the heating chamber 4 in relation to the shield. of heat 3a.
[0083] The heat shield 3a may comprise a coating on the longitudinal surface of the heater 3. In this case, an area of the heater surface is left uncovered to form the heat transparent window 3b. The heater 3 can be rotated or otherwise moved, for example under the control of controller 12 or user controls, to cause different sections of smokable material 5 to be heated. Alternatively, heat shield 3a and window 3b may comprise a separate shield 3a that is rotatable or otherwise movable with respect to both heater 3 and smokable material 5 under the control of controller 12 or other user controls.
[0084] With reference to figure 7, the apparatus 1 may comprise air intakes 14 that allow external air to be drawn into the housing 7 and through the heated smoking material 5 during the puff. The air inlets 14 can comprise openings 14 in the housing 7 and can be located upstream of the smokable material 5 and heating chamber 4 towards the first end 8 of the housing 7. This is shown in figures 2, 12 and 18. The air sucked through the inlets 14 travels through the smokable material 5 and is enriched with smokeable material vapors, such as aroma vapors, before passing through the outlet valves 24 and being inhaled by the user at the mouthpiece 6. Optionally, as shown in 12, the apparatus 1 comprises a heat exchanger 15 configured to heat the air before entering the smokable material 5 and / or to cool the air before being sucked through the nozzle 6. For example, the heat exchanger 15 can be configured to use heat extracted from the air entering the nozzle 6 to heat the new air before it enters the smokable material 5.
[0085] With reference to figure 18, as previously discussed, the heating chamber 4 isolated by the insulation 18 may comprise inlet and outlet valves 24, such as check valves, which hermetically seal the heating chamber 4 when closed. Valves 24 can be one-way valves, where inlet valves 24 allow gaseous flows into chamber 4 and outlet valves 24 allow gaseous flows out of chamber 4. Gaseous flow in the opposite direction is prevented. Valves 24 can therefore prevent air from undesirably entering and leaving chamber 4 and can prevent flavors of smokable material from leaving chamber 4. Inlet and outlet valves 24 can, for example, be provided in insulation 18. Between puffs , the valves 24 can be closed by the controller 12, or other means such as a manually operable actuator, so that all volatile substances remain contained within the chamber 4 in the period between puffs. The partial pressure of the volatilized substances between puffs reaches the saturated vapor pressure and the amount of substances evaporated so it depends only on the temperature in the heating chamber 4. This helps to ensure that the distribution of volatilized nicotine and aromatic compounds remains constant on puff .
[0086] During the puff, the valves 24 open so that air can flow through the chamber 4 to load volatile smokeable material components to the nozzle 6. The opening of the valves 24 can be caused by the controller 12 or by other means. A membrane can be located on the valves 24 to ensure that no oxygen enters the chamber 4. Valves 24 can be actuated by breathing so that valves 24 open in response to the detection of a drag on the nozzle 6. Valves 24 can close in response to a detection that a drag has ended. Alternatively, valves 24 may close after a predetermined period has elapsed after opening. The predetermined period can be timed by controller 12. Optionally, a mechanical opening / closing means or any other suitable means can be present so that valves 24 open and close automatically. For example, the gaseous movement caused by a user drag on the nozzle 6 can exert a force on the valves 24 to cause them to open and close. Therefore, the use of controller 12 is not required to drive valves 24.
[0087] The mass of the smokable material 5 that is heated by the heater 3, for example, for each heating region 10, can be in the range of 0.2 to 1.0g. The temperature to which the smokable material 5 is heated can be controllable by the user, for example, at any temperature within the range of 100 ° C to 250 ° C, as can any temperature within the range of 150 ° C to 250 ° C and other previously described volatilizing temperature ranges. The mass of device 1 as a whole can be in the range of 70 to 125g. A battery 2 with a capacity of 1000 to 3000 mAh and a voltage of 3.7V can be used. The heating regions 10 can be configured to individually and selectively heat between approximately 10 and 40 sections of the smokable material 5 for a single cartridge 11.
[0088] It will be recognized that any of the alternatives described above can be used alone or in combination.
[0089] In order to deal with several questions to advances in the technique, the totality of this disclosure shows by means of examples several embodiments in which the invention (s) can be practiced and provides for a superior apparatus and methods. The advantages and characteristics of this disclosure are of a representative sample of embodiments only, and are not exhaustive and / or exclusive. They are present only to assist in understanding and teaching the claimed characteristics. It should be understood that advantages, embodiments, examples, functions, characteristics, structures and / or other aspects of the disclosure should not be considered limitations in the disclosure as defined by the claims or limitations in equivalents to the claims, and that other embodiments can be used and modifications can be made without departing from the scope and / or spirit of the disclosure. Various embodiments can suitably comprise, consist of, or consist essentially of, various combinations of the elements, components, characteristics, parts, steps, means, etc. disclosed. In addition, the disclosure includes other inventions not currently claimed, but which may be claimed in the future.

权利要求:
Claims (14)
[0001]
1. Apparatus (1) comprising a smokable material heater (3) configured to heat a first smokable material region to a sufficient volatilizing temperature to volatilize a smokable material component (5) and characterized by the fact that the material heater smokable is configured to simultaneously heat a second region of smokable material to a temperature lower than said volatilizing temperature, but which is sufficient to prevent condensation of volatilized components of the smokable material.
[0002]
Apparatus according to claim 1, characterized in that the apparatus is configured to control the temperature of the first region of smokable material regardless of the temperature of the second region of smokable material.
[0003]
Apparatus according to either of Claims 1 or 2, characterized in that the heater comprises a plurality of heating regions (10) including a first heating region arranged to heat the first region of smokable material and a second heating region arranged to simultaneously heat the second region of smokable material.
[0004]
Apparatus according to claim 3, characterized in that the apparatus is configured to cause the first heating region to heat the first region of smokable material to said volatilizing temperature and to cause the second heating region to simultaneously heat the second region of smokable material until said lower temperature.
[0005]
Apparatus according to claim 4, characterized in that, subsequently, the apparatus is configured to cause the first heating region to heat the first region of smokable material to said lower temperature and to cause the second heating region simultaneously heat the second region of smokable material to the said volatilizing temperature.
[0006]
Apparatus according to either of Claims 4 or 5, characterized in that, subsequently, the apparatus is configured to cause a third heating region to heat a third region of the smokable material to said volatilizing temperature and to cause the first and / or second heating region (s) heat the first and / or second regions of smokable material to said lower temperature.
[0007]
Apparatus according to claim 1, characterized in that it is configured to successively heat different regions of smokable material to said volatilizing temperature while simultaneously heating unheated regions of smokable material to said volatilizing temperature to said lower temperature to prevent condensation of volatilized components.
[0008]
Apparatus according to any one of claims 1 to 7, characterized in that it comprises a heating chamber (4) of smokable material to contain the smokable material (5) during heating.
[0009]
Apparatus according to claim 8, characterized in that the heating chamber is located adjacent to the heater.
[0010]
Apparatus according to either of Claims 8 and 9, characterized in that the lower temperature prevents condensation of volatilized components in the heating chamber.
[0011]
Apparatus according to any one of claims 1 to 10, characterized in that it comprises a mouthpiece through which volatilized components of the smokable material can be inhaled.
[0012]
Apparatus according to any one of claims 1 to 11, characterized in that the volatilizing temperature is 100 degrees Celsius or higher.
[0013]
Apparatus according to any one of claims 1 to 12, characterized in that the lower temperature is less than 100 degrees Celsius.
[0014]
14. Method for heating smokable material (5) using the apparatus as defined in any of the preceding claims 1 to 13, the method comprising: heating a first region of smokable material to a volatilizing temperature to volatilize at least one component of the smokable material to inhalation; and characterized by simultaneously heating a second region of the smokable material to a temperature below the volatilizing temperature, but which is sufficient to prevent condensation of volatilized components of the smokable material.

类似技术:

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同族专利:

公开号 | 公开日

BR112014004818A2|2017-04-04|

PT2753203T|2018-06-06|

AU2012306505A1|2014-03-06|

HUE038056T2|2018-09-28|

ES2671727T3|2018-06-08|

KR101872334B1|2018-06-28|

EP3354144B8|2021-03-03|

KR102353233B1|2022-01-18|

JP6017562B2|2016-11-02|

AR088437A1|2014-06-11|

CN107252136A|2017-10-17|

CA2845754A1|2013-03-14|

KR20170078844A|2017-07-07|

JP2017018139A|2017-01-26|

KR101752639B1|2017-06-30|

JP6194397B2|2017-09-06|

CN107259647B|2020-03-20|

KR102196418B1|2020-12-30|

EP2753203B1|2018-03-28|

TR201807473T4|2018-06-21|

KR101870335B1|2018-07-20|

CN103763954A|2014-04-30|

RU2636649C9|2018-04-06|

EP3354144A1|2018-08-01|

CN103763954B|2017-06-20|

MY171151A|2019-09-27|

EP3892125A3|2022-01-05|

EP3811800A2|2021-04-28|

RU2636649C1|2017-11-24|

RS57598B1|2018-11-30|

US11051551B2|2021-07-06|

EP3811800A3|2021-08-18|

JP2019122403A|2019-07-25|

KR20170080704A|2017-07-10|

US20140338680A1|2014-11-20|

ZA201402397B|2015-12-23|

HK1255594A1|2019-08-23|

PL3354144T3|2021-06-14|

CN107259647A|2017-10-20|

HRP20180995T1|2018-09-21|

KR20210054074A|2021-05-12|

AU2012306505B2|2015-09-24|

KR20140070588A|2014-06-10|

WO2013034460A1|2013-03-14|

EP3892125A2|2021-10-13|

US20170156407A1|2017-06-08|

HUE053875T2|2021-07-28|

EP3354144B1|2020-12-16|

US9999256B2|2018-06-19|

JP2017018138A|2017-01-26|

KR102071076B1|2020-03-02|

RU2014113162A|2015-10-20|

JP2021019637A|2021-02-18|

EP3797609A1|2021-03-31|

KR20180071429A|2018-06-27|

US9609894B2|2017-04-04|

US20180271171A1|2018-09-27|

EP2753203A1|2014-07-16|

KR20200010617A|2020-01-30|

US9980523B2|2018-05-29|

RU2604022C2|2016-12-10|

JP2014525251A|2014-09-29|

PL2753203T3|2018-09-28|

JP2021118738A|2021-08-12|

US20170156406A1|2017-06-08|

ES2859223T3|2021-10-01|

KR20200144597A|2020-12-29|

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法律状态:
2018-12-11| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|

2019-09-17| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|

2020-06-02| B06A| Patent application procedure suspended [chapter 6.1 patent gazette]|

2020-11-03| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|

2021-01-05| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 24/08/2012, OBSERVADAS AS CONDICOES LEGAIS. |

2021-07-20| B25A| Requested transfer of rights approved|Owner name: NICOVENTURES TRADING LIMITED (GB) |

优先权:

申请号 | 申请日 | 专利标题

RU2011136869|2011-09-06|

GBGB1207054.6A|GB201207054D0|2011-09-06|2012-04-23|Heating smokeable material|

GB1207054.6|2012-04-23|

RU2012124800|2012-06-15|

PCT/EP2012/066525|WO2013034460A1|2011-09-06|2012-08-24|Heating smokable material|

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