WO2012133289A1 - Non-combustion suction type tobacco product - Google Patents

Non-combustion suction type tobacco product Download PDF

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WO2012133289A1
WO2012133289A1 PCT/JP2012/057726 JP2012057726W WO2012133289A1 WO 2012133289 A1 WO2012133289 A1 WO 2012133289A1 JP 2012057726 W JP2012057726 W JP 2012057726W WO 2012133289 A1 WO2012133289 A1 WO 2012133289A1
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tobacco
stabilizer
non
suction type
granulate
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PCT/JP2012/057726
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French (fr)
Japanese (ja)
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松本 光史
雄史 新川
敦郎 山田
片山 和彦
山田 学
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日本たばこ産業株式会社
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    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES
    • A24F47/00Smokers' requisites not provided for elsewhere, e.g. devices to assist in stopping or limiting smoking
    • A24F47/002Simulated smoking devices, e.g. imitation cigarettes
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SMOKERS' REQUISITES
    • A24BMANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B13/00Tobacco for pipes, for cigars, e.g. cigar inserts, or for cigarettes; Chewing tobacco; Snuff
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SMOKERS' REQUISITES
    • A24BMANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00Chemical features or treatment of tobacco; Tobacco substitutes
    • A24B15/10Chemical features of tobacco products or tobacco substitutes
    • A24B15/12Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SMOKERS' REQUISITES
    • A24BMANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00Chemical features or treatment of tobacco; Tobacco substitutes
    • A24B15/18Treatment of tobacco products or tobacco substitutes
    • A24B15/28Treatment of tobacco products or tobacco substitutes by chemical substances
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES
    • A24F47/00Smokers' requisites not provided for elsewhere, e.g. devices to assist in stopping or limiting smoking
    • A24F47/002Simulated smoking devices, e.g. imitation cigarettes
    • A24F47/004Simulated smoking devices, e.g. imitation cigarettes with heating means, e.g. carbon fuel
    • A24F47/008Simulated smoking devices, e.g. imitation cigarettes with heating means, e.g. carbon fuel with electrical heating means

Abstract

This non-combustion suction type tobacco product is characterized by containing tobacco granules (20) formed from leaf tobacco or other tobacco raw material and at least one type of stabilizer that stabilizes the delivery of nicotine from these tobacco granules (20), the distance between solubility parameters for this stabilizer and nicotine being 17 or less, and the vapor pressure of the stabilizer at 25°C being 1 mmHg or less.

Description

Non-combustion suction type tobacco products

The present invention relates to a non-combustion suction type tobacco products without the generation of smoke due to the ignition.

Non-combustion suction type tobacco product of this kind a hollow suction holder, this is located within the suction holder, and a filler of tobacco particles obtained by granulating the tobacco material, the airflow resistance of about 40 to about 80mmHg provided (see Patent Document 1).
According to Patent Document 1, its use, that is, when the suction by the user, the nicotine is one of the tobacco-specific component is delivered into the oral cavity of the user along with the suction air.

WO 2010/095659 pamphlet

Case of Patent Document 1, the amount of released nicotine from tobacco particles, i.e., delivery of nicotine into the oral cavity of the user relatively quickly decreases with increasing puff count. This is due to the increase in puff number, from the user means that the nicotine be sucked varies greatly, when the suction used, not only would give an uncomfortable feeling to the user, the user is available period (puff count ) I would feel that short (less) than you expect.

The present invention has been made based on the above circumstances, the place of interest is stable over the delivery rate of nicotine, which is one of the tobacco-specific component in long, greatly puff number of the user is satisfied and to provide a non-combustion suction type tobacco product can be increased.

The above object is achieved by a non-combustion suction type tobacco product of the present invention, the non-combustion suction type tobacco product and tobacco granules obtained by the tobacco material shredded or ground, the delivery of nicotine from granulate stable and at least one stabilizer is, the stabilizer, the vapor pressure at and 25 ° C. with a solubility parameter distance is 17 or less and nicotine have the following properties 1 mmHg.

Stabilizers mentioned above, since the excellent and the vapor pressure on the solubility of the nicotine is low, nicotine can be held stably, stabilize over the delivery of nicotine to the user a long time.
For example, the stabilizer propylene glycol are selected from compounds having a benzyl alcohol or ester groups, wherein the medium chain fatty acid triglyceride as a compound, citric acid triesters (triethyl citrate, tributyl citrate, etc.), benzyl benzoate and lauric It is selected from ethyl.

Stabilizer in achieving further stabilization of nicotine delivery rate, vapor pressure at and 25 ° C. at a distance between the solubility parameter of 12 or less is preferably has the following properties 0.1 mmHg.
Furthermore, tobacco granules may further include an additive comprising at least one of the carbonate and bicarbonate salts used generally in snuff products such as snus.

On the other hand, non-combustion suction type tobacco product may further comprise a heat source for heating the tobacco granulate. In this case, stabilizer has a characteristic vapor pressure at the heating temperature of and tobacco granulate the distance between the solubility parameter of 17 or less is less 1 mmHg.
Furthermore, the content of the stabilizer is preferably 5 wt% to 20 wt% relative to dry weight of the source. In this case, the content of stabilizing agent is less than 5 wt%, can not be obtained stabilization required nicotine, when the content of the opposite stabilizer is more than 20 wt%, stabilizer granulate It will be permitted to aggregate the handling of tobacco granulate, i.e., the production becomes difficult.

Non-combustion suction type tobacco product of the present invention, because it contains a stabilizer tobacco granulate, stable over the delivery rate of nicotine, which is one of the tobacco-specific components released from the cigarette granulate-term able to.

It is a cross-sectional view of a non-combustion suction type tobacco product of one embodiment. It is a schematic view showing a measuring apparatus for verifying the effect of the stabilizer. Is a graph showing the relationship between puffs times and nicotine delivery rate type stabilizer as parameters. Is a graph showing the relationship between another puff number and nicotine delivery rate type as a parameter of the stabilizer. Is a graph showing the relationship between puffs times and nicotine delivery rate of content of the stabilizer as a parameter. It is a cross-sectional view of a non-combustion suction type tobacco product variations.

Non-combustion suction type tobacco product 1 of an embodiment shown in FIG. 1 includes and the axis A, an upstream member 2 arranged along the axis A, the tobacco cartridge 6, the downstream member 10 and mouthpiece member 12. These members 2, 6, 10 are integrally connected by a plurality of connecting bolts and nuts 14.
For example, the upstream member 2 is a sheet having a thickness of 1mm made of stainless steel, has an opening area 16 in its central region. The opening region 16 has an aperture ratio of 23%. Specifically, the aperture region 16 is formed by pores of uniformly distributed diameter 1 mm.

Tobacco cartridge 6 comprises a frame member 18 having a thickness of 2mm made of stainless steel, the frame member 18 has an opening having an inner diameter of 26mm in the center. The tobacco granulate 20 is accommodated in the opening, the tobacco granulate 20 having air permeability.
As apparent from FIG. 1, the tobacco cartridge 6 further comprises a nonwoven 4,8 breathable, these nonwoven 4,8 sandwiching the frame member 18 of the tobacco cartridge 6, dropping of the tobacco granules 20 from the frame member 18 to prevent.
It will be described later tobacco granules 20.

Downstream member 10 is a sheet having a thickness of 1mm of similar stainless steel and upstream member 2 has an opening 22 having an inner diameter of 18mm in its central region.
On the other hand, the mouthpiece member 12 is formed of Teflon (TM), including mouth end 24 sucks. The mouth end 24 has an inner diameter surface protruding from, 6 mm on the opposite side of the mouthpiece member 12 and the downstream member 10. The opening of the mouthpiece member 12 located on the downstream member 10 side has an inner diameter of 20 mm.

According to the tobacco product 1 described above, by suction from the mouth end 24 of the user mouthpiece member 12, the nonwoven fabric 4 outside air from the opening region 16 of the upstream member 2, tobacco granules 20, nonwoven 8, downstream It flows into the mouth of a user through the opening 22 and the mouthpiece member 12 of the member 10. Here, when the air passes through the tobacco granulate 20, since the nicotine released from tobacco granulate 20 is contained in the air, the user will inhale air containing nicotine.

Next, it will be described in detail tobacco granules 20.
Tobacco granules 20, tobacco material consisting of burley leaf tobacco domestic the shredded or milled, thereafter, the granules obtained by humidifying and heating, for example, from at least one of carbonates and bicarbonates additives comprising, in particular made from a mixture comprising potassium carbonate, in tobacco granules 20, granulate contains 300mg by dry weight.

In this embodiment, the mixture contains 12% by weight of additives relative to dry weight of the tobacco material, and 2.3 weight nicotine dry weight is one tobacco-specific component contained in the granules %, volatile components are adjusted so that 12 wt% of the weight of the granular material contained in the granules.
The content of nicotine, 200 mg ± 2.5 mg granules to 11% by weight of the room temperature shaking for 60 minutes investments while shielding with aluminum foil containing added sodium hydroxide solution 7.5ml and hexane 10ml of It performs extraction processing Te, thereafter, was obtained by analyzing the hexane phase by gas chromatograph mass spectrometer.

Further, the content of volatile components is determined from the weight loss of the particulate material after the granules of 200 mg ± 2 mg and 3 hours drying at 80 ° C..
Further, the dry weight by the value obtained by subtracting the volatile component amount obtained as described above from the weight of the granulate.

Furthermore, in this embodiment, the tobacco granules 20 in addition to the above mixture, comprising at least one stabilizer to stabilize the discharging amount of the nicotine to the user, the stabilizer, the solubility parameters of nicotine during distance is 17 or less, preferably has a vapor pressure at and 25 ° C. at 12 below 1mmHg or less, preferably has the following properties 0.1 mmHg.

Specifically, the solubility parameter distance is an index showing the solubility of the solute to the solvent, is generally represented by Ra (MPa 1/2), Ra can be calculated from the following formulas.
Ra = [4 * (δd, 2-δd, 1) ^ 2 + (δp, 2-δp, 1) ^ 2
+ (Δh, 2-δh, 1) ^ 2] ^ (1/2)
Here, δd, δp, δh is defined as follows.
.delta.d = hydrogen bonding dipole interaction .delta.h = solubility parameter of the dispersed power .delta.p = solubility parameter of solubility parameter

Specifically, the stabilizer is propylene glycol, benzyl alcohol or selected from compounds having an ester group, wherein the medium chain fatty acid triglyceride as the compound of the citric acid triester (triethyl citrate, tributyl citrate, etc.), benzyl benzoate and it includes ethyl laurate.

Table 1 below, together with glycerine (A), respectively the vapor pressure at a solubility parameter distance Ra and 25 ° C. of the above-mentioned stabilizer.

Figure JPOXMLDOC01-appb-T000001

Incidentally, stabilizer C is a medium chain fatty acid triglyceride mainly caprylic acid triglycerides, specifically Coconad MT manufactured by Kao Corporation.
Further, the solubility parameter distance Ra in Table 1 is the calculated result of using Molecular Modeling Pro Version 6.01.

To verify the effect of the stabilizer B ~ H, measurement apparatus shown in FIG. 2 is used, when the measuring device that the user was aspirated tobacco product 1 described above, tobacco-specific supplied from the tobacco product 1 to the user measuring the delivery amount of nicotine.

Specifically, the measurement device comprises a impinger 26 containing 20ml ethanol. Specifically, Kinoshita type gas absorption washing bottle made Rika Kinoshita Co., Ltd. The impinger 26 (standard 50ml) was used. Impinger 26 while having a filter particle (100 ~ 200μm) therein, has derived from its internal aspiration tube 28 and delivery tube 30, respectively.

The suction tube 28 is tobacco products 1 to be verified connection becomes available, whereas, in the delivery tube 30 is connected to a suction pump 36 through a solenoid valve 32, a mass flow controller (MFC) 34. Further, the solenoid valve 32 valve controller (VC) 38 is electrically connected, the valve controller 38 controls the opening and closing operation of the electromagnetic valve 32.

Specifically, the opening and closing by the valve controller 38, the solenoid valve 32 may be repeated one suction cycle to release 11 seconds atmosphere impinger 26 after connecting 4 seconds between the suction pump 36 and the impinger 26. The flow rate of the mass flow controller 34 is set at 3300cc / min.

As tobacco product 1 to be verified, Comparative Examples tobacco product of the first comparative example which does not contain any glycerol (A) and stabilizer B ~ H tobacco granules 20, the tobacco granules 20 glycerin (A) 2 tobacco products and tobacco products of examples each including a stabilizer B ~ H tobacco granules 20 are prepared.

Here, in Comparative Example 2 and tobacco products of Examples, glycerine (A) and the content of stabilizer B ~ F whereas dry weight of the tobacco granulate 20, respectively 15 wt% (45 mg).
Then, after connecting one of the tobacco products of Comparative Examples 1 and 2 and example for suction pipe 28 of the impinger 26, room temperature 22 ° C., at 60% of the environment humidity, repeated 50 times suction cycle described above, was collected nicotine delivered from the tobacco product during ethanol in impinger 26.

Thereafter, extraction and ethanol was collected nicotine from impinger 26, the removed ethanol was analyzed by gas chromatograph mass spectrometer to measure the tobacco specific nicotine in one suction cycle (1 puff) per from the tobacco product.
Furthermore, until the total suction cycles reaches a predetermined number, the collection and analytical determination of the above are carried out repeatedly, thereby to complete the measurement process for one Tsunotabako product.
Such measurement process is performed for each tobacco product, The results are shown in Figures 3 and 4.

Here, the tobacco product of the embodiment comprises a stabilizer G, H, when compared with other examples, different in the following respects. Stabilizer G, in the embodiment including H, nicotine contained in the granulate 1.6 wt% of the dry weight of tobacco material, the volatile components contained in the granules was 10% by weight of the granular weight of.

3 and tobacco products examples including apparent stability agent B ~ H from Fig. 4, as compared to tobacco products of Comparative Example 1 (no stabilizers), reduced delivery rate of nicotine with an increase in puff number There is suppressed, stabilizer B ~ H is found to be effective in stabilizing for a long time the delivery of nicotine.
On the other hand, in the case of tobacco products in Comparative Example 2 (glycerine A), there is no much change is reduced delivery rate of nicotine with an increase in puff number when compared to the tobacco product of Comparative Example 1 (no stabilizers), glycerin A nicotine not effective in achieving the delivery of stabilization.

This is because the have a characteristic that both of the stabilizers B ~ H is 17 or less solubility parameter distance Ra and 1mmHg or less vapor pressure at 25 ° C., glycerine A distance between the solubility parameter Ra is believed to be due to the greater and 23.0.

In the case of tobacco products containing stabilizer F, regardless of the puff count, the delivery amount of nicotine is lower than the tobacco product of Comparative Example 1. This is because the trapping effect of nicotine by stabilizer F (benzyl alcohol) is higher than other stabilizers B ~ E, G, the H.
Therefore, when using the stabilizer F, stabilizers B ~ E content of stabilizer F, G, if less than the content of H, tobacco products containing stabilizer F cigarette according to another embodiment Like the product is believed to be able to deliver nicotine. Incidentally, in this regard will become apparent from the description of the measurement results of FIG. 5 to be described later.

On the other hand, as is clear from FIG. 3 in the case of tobacco products of Examples containing stabilizing agent F, As the increase in puff number, shows a tendency to delivery of nicotine is increased. This trend gives an uncomfortable feeling to the user, where considered not desirable for the user, with the solubility parameter distance Ra is 12 or less stabilizer as a stabilizer F, a vapor at its 25 ° C. believed pressure is too high, thus, it is desirable to select a stabilizing agent having a vapor pressure at 25 ° C. less than or equal to 0.1 mmHg.

On the other hand, it focuses on stabilizing agent D, the content of stabilizing agent D prepares tobacco products from different embodiment from that described above, measurement after performing similarly the aforementioned measurement process for these tobacco products the results are shown together with the measurement results without stabilizers.
Figure 4 content as apparent stabilizer D from 5 wt% (15 mg), 10 wt% (30 mg), taken to increase the 15 wt% (45 mg), delivered amount of nicotine is suppressed, and, it can be seen that a small change over a long period.

This other stabilizer B, C, E, since it is considered that circle applies equally to F-H, the content of stabilizing agent B-H may be in a 5 wt% to 20 wt% it can be seen. Here, when the content is less than 5 wt%, respect delivery rate of nicotine, the desired stabilizing effect can not be obtained, conversely, when it is more than 20 wt%, stabilizer tobacco granulate 20 condensed, handling of the tobacco granules 20, that is, making it difficult to its production.

When using a stabilizer F described above, if smaller than the content of the stabilizer F on the content of other stabilizers, tobacco products containing stabilizer F a stabilizer B ~ E, G, it is expected to the delivery amount of the same degree of nicotine of tobacco products containing H can be generated.

Furthermore, non-combustion suction type tobacco product may include a heat source for heating the tobacco granules 20. For example, as shown in FIG. 6, the upstream member 2 of tobacco products incorporating electrical heaters 40. The heater 40 is in use of tobacco products, the upstream member 2 to heat the tobacco granules 20 through the nonwoven fabric 4 and the frame member 18 to a desired temperature.
In this case, the stabilizer contained in the tobacco granules 20, solubility parameter distance Ra between and nicotine vapor pressure 1mmHg or less at a heating temperature of the tobacco granules 20 is 17 or less. More preferably the stabilizer is a vapor pressure at the heating temperature of the tobacco granules 20 0.1mmHg less and a solubility parameter distance Ra is selected from stabilizers having the characteristics to be 12 or less.

Table 2 below shows 25 ° C., glycerol at 70 ° C. and 100 ° C. (A), the vapor pressure of the stabilizers described above, respectively.

Figure JPOXMLDOC01-appb-T000002
In Table 2, the vapor pressure at 70 ° C. and 100 ° C., less Kurajiusu - calculated by equation Clapeyron.
P = P0 * e ^ (L / R) * (1 / T0-1 / T)
Here, symbols in the above formula is defined as follows.
P: vapor at temperature T pressure [mmHg]
P0: vapor pressure at 25 ° C. [mmHg]
L: heat of evaporation [J / mol]
R: gas constant [J / mol * K]
T0: 298 [K] (25 ℃)
T: temperature [K]
As is clear from Table 2, for example, when the heating temperature of the tobacco granules 20 is 70 ° C. or 100 ℃, C, D, E, G, is the selection of H it becomes possible as a stabilizer.

The present invention is not intended to be limited to the foregoing embodiment, and various modifications are possible. For example, if the vapor pressure at and 25 ° C. solubility parameter distance Ra is 17 or less a stabilizer having the following characteristics 1 mmHg, not limited to stabilizers B ~ H described above, also these stabilizers It may be any combination of B ~ H, further, nor limited to that shown structure itself of tobacco products also in Figure 1.

Further, at a heating temperature of the tobacco granules 20, if the stabilizer is selected to have the property of solubility parameter distance Ra of 17 or less of the vapor pressure or less and nicotine 1 mmHg, heating temperature illustrated in Table 2 not limited to, it can be heated tobacco granules 20 at any temperature. Furthermore, the heating system of the tobacco granules 20 is also not limited to the illustrated scheme in Fig.

1: tobacco products, 2: upstream member, 4: a nonwoven, 6: tobacco cartridge 8: Non-woven, 10: downstream member, 12: mouthpiece member, 18: frame member, 20: Tobacco granules, 22: opening, 40: heater (heat source)

Claims (9)

  1. Include tobacco granulate obtained by the tobacco material shredded or milled, moistened tobacco specific nicotine generated from the tobacco granulate without burning the tobacco granulate the suction air, together with the suction air a non-combustion suction type tobacco product for delivering into the oral cavity of the user,
    It said cigarette granulate further comprises at least one stabilizer to stabilize the delivery of the nicotine to the user,
    It said stabilizer is a non-combustion suction type tobacco product vapor pressure at soluble and 25 ° C. parameter distance is 17 or less with the nicotine and having the following characteristics 1 mmHg.
  2. The stabilizer is propylene glycol, non-combustion suction type tobacco product according to claim 1, characterized in that it is selected from compounds having a benzyl alcohol or ester group.
  3. It said stabilizer is a non-combustion suction type tobacco product according to claim 1 or 2 distance between the solubility parameter vapor pressure at and 25 ° C. for 12 hereinafter and having the following characteristics 0.1mmHg .
  4. Non-combustion suction type tobacco product according to claim 3 wherein the stabilizer which is a compound having an ester group.
  5. The compounds are medium chain fatty acid triglyceride, citric acid triesters, non-combustion suction type tobacco product according to claim 4, characterized in that it is selected from benzyl benzoate and ethyl laurate.
  6. The citric acid triester, non-combustion suction type tobacco product according to claim 5, characterized in that the triethyl citrate or tributyl citrate.
  7. Said cigarette granulate, non-combustion suction type tobacco product according to claim 5, further comprising an additive comprising at least one of carbonates and bicarbonates.
  8. Further comprising a heat source for heating the tobacco granules to a predetermined temperature,
    Non-combustion suction type tobacco according to claim 5 wherein the stabilizer and having a characteristic that a vapor pressure less than or equal to 1mmHg at a heating temperature of the solubility parameter distance between and the tobacco granulate with 17 or less products.
  9. Non-combustion suction type tobacco product according to claim 1, wherein the content of the stabilizer, which is a 5 wt% to 20 wt% relative to dry weight of the tobacco granulate.
PCT/JP2012/057726 2011-03-29 2012-03-26 Non-combustion suction type tobacco product WO2012133289A1 (en)

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RU2013138739A RU2544152C1 (en) 2011-03-29 2012-03-26 Non-combustible inhalation-type tobacco product
JP2013507554A JP5489190B2 (en) 2011-03-29 2012-03-26 Non-combustion suction type tobacco products
CN 201280008764 CN103369980B (en) 2011-03-29 2012-03-26 Attract non-combustion type smoking article
EP20120764151 EP2647299A4 (en) 2011-03-29 2012-03-26 Non-combustion suction type tobacco product
US13926076 US20130284193A1 (en) 2011-03-29 2013-06-25 Non-combustion suction type tobacco product

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CN103190705B (en) * 2013-04-01 2015-05-20 上海烟草集团有限责任公司 Tobacco for heating non-combustion apparatus and preparation method thereof
CN103169157B (en) * 2013-04-01 2015-05-20 上海烟草集团有限责任公司 Cigarette device not burning when heated
CN103190705A (en) * 2013-04-01 2013-07-10 上海烟草集团有限责任公司 Tobacco for heating non-combustion apparatus and preparation method thereof
WO2015046420A1 (en) 2013-09-30 2015-04-02 日本たばこ産業株式会社 Non-combusting flavor inhaler
CN104382223A (en) * 2014-10-22 2015-03-04 浙江中烟工业有限责任公司 Solvent suitable for preparation of fruity nicotine liquid, and nicotine liquid and electronic cigarette prepared by solvent

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US20130284193A1 (en) 2013-10-31 application
CN103369980A (en) 2013-10-23 application
EP2647299A4 (en) 2015-06-10 application
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EP2647299A1 (en) 2013-10-09 application
RU2544152C1 (en) 2015-03-10 grant
JPWO2012133289A1 (en) 2014-07-28 application
RU2013138739A (en) 2015-02-27 application
JP5489190B2 (en) 2014-05-14 grant

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