EP2957183B1 - Tobacco material, tobacco product to which tobacco material is added, and method for producing tobacco material - Google Patents

Tobacco material, tobacco product to which tobacco material is added, and method for producing tobacco material Download PDF

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Publication number
EP2957183B1
EP2957183B1 EP14797067.7A EP14797067A EP2957183B1 EP 2957183 B1 EP2957183 B1 EP 2957183B1 EP 14797067 A EP14797067 A EP 14797067A EP 2957183 B1 EP2957183 B1 EP 2957183B1
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EP
European Patent Office
Prior art keywords
tobacco
leaf
shredded
particles
cigarettes
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.)
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Application number
EP14797067.7A
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German (de)
English (en)
French (fr)
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EP2957183A1 (en
EP2957183A4 (en
EP2957183C0 (en
Inventor
Masahiro Chida
Shohei MIYAGO
Yoshito GOHARA
Tadashi Tatematsu
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.)
Japan Tobacco Inc
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Japan Tobacco Inc
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Publication date
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Publication of EP2957183A4 publication Critical patent/EP2957183A4/en
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Publication of EP2957183B1 publication Critical patent/EP2957183B1/en
Publication of EP2957183C0 publication Critical patent/EP2957183C0/en
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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B7/00—Cutting tobacco
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/10—Chemical features of tobacco products or tobacco substitutes
    • A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
    • A24B15/14—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco made of tobacco and a binding agent not derived from tobacco
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00—Preparing tobacco in the factory
    • A24B3/14—Forming reconstituted tobacco products, e.g. wrapper materials, sheets, imitation leaves, rods, cakes; Forms of such products
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/002—Cigars; Cigarettes with additives, e.g. for flavouring

Definitions

  • the present invention relates to a tobacco product having a tobacco material added therein.
  • Various types of leaf tobacco are used in smoking articles such as cigarettes, and by changing the type of leaf tobacco used, smoking articles that exhibit a variety of smoking flavors can be obtained.
  • One known technique for adjusting the smoking flavor of cigarettes involves blending various types of shredded leaf tobacco having different smoking flavors.
  • the technique of blending different types of leaf tobacco includes, as described in Patent Document 1, for example, a step in which a plurality of types of leaf tobacco raw materials separately subjected to processing such as vacuum treatment are each cut to produce cut filler leaf components, following which the cut filler leaf components are blended.
  • Patent Document 1 indicates that, in the cutting treatment carried out therein, the cutting width is varied according to the type of leaf tobacco and the type of drying system, and should be set within the range of 0.15 to 2.6 mm.
  • GB 1 139 801 A describes a method of producing a powdered tobacco extract that comprises extracting the soluble constituents from tobacco with a solvent, e.g. water, atomizing the solution and evaporating the minute droplets quickly with a hot gas to form a powder of the solute.
  • a solvent e.g. water
  • the evaporation is carried out in a spray-dryer using hot air.
  • the tobacco powder may be stored in containers for subsequent use as e.g. a coating to a web of paper or reconstituted tobacco.
  • the web is formed from the non-soluble residue of the extraction process, this residue being formed into a tobacco web by a conventional paper making machine.
  • the powder is made into a concentrated solution and coated on the web. The coated web may then by spray painted with a dispersion of finely divided tobacco in water.
  • GB 562 786 A describes a method of preparing tobacco in sheet, web, or filament form that comprises subjecting the tobacco to a grinding or like reducing operation in water to reduce the tobacco to particles mainly of colloidal size and to form a colloidal dispersion of the particles in water, and subjecting the product to sheet, web, or filament forming and drying operations.
  • the tobacco used may be in the form of whole leaves, fragments, stems, etc., or the waste from the manufacture of cigars, cigarettes, etc. It is dried, broken up in a shredding or other device and ground in a ball mill to fine powder. This is mixed with water for wet grinding in the same or a separate mill to form a colloidal dispersion without destroying the taste, odor and color of the tobacco.
  • the whole grinding may take place in the presence of water and may give a product containing some fibrous particles in the colloidal dispersion. These may be filtered out if desired.
  • the product is extruded, spread or centrifugally applied to sheet-forming surfaces, for example, on an endless belt, the inner surface of a rotating cylinder, or iron or steel plates, which may be chromium-plated.
  • the resulting film is dried by heat, a suction pump etc. in an atmosphere controlled as to humidity.
  • CH 529 519 A describes formed tobacco products, such as flat or cord-like products, that are produced by (a) milling the tobacco with a liquid in a continuously operating mill; and (b) converting the finely milled product in a conventional manner into the desired form.
  • the method gives formed tobacco products, such as cigarettes, cigars, and pipe-tobacco.
  • the width of the cut leaf tobacco is in units of from several hundred microns to several millimeters.
  • the cut leaf tobacco has a tendency to segregate within the cigarette according to the size of the cut strips.
  • the leaf tobacco in cigarettes is generally made up of strips of tobacco leaf that have been cut to a length of 3 to 5 mm and a width of 0.5 to 1.2 mm and has a fixed volume
  • mixing therein a very small amount of one type of leaf tobacco tends to give rise to unevenness.
  • ordinary commercially sold cigarettes contain an average of 540 strips of shredded leaf tobacco
  • mixing therein 1% of one type of shredded leaf tobacco requires the uniform admixture of 5.4 strips of shredded leaf tobacco.
  • the smoking flavor of the cigarette may lack uniformity.
  • the material that is added differs from tobacco, and thus cannot impart a smoking flavor distinctive to tobacco.
  • the object of this invention is to provide art which uniformly imparts a smoking flavor to tobacco products such as smoking articles.
  • a tobacco product having added therein a tobacco material containing leaf tobacco particles having an average particle size of 30 ⁇ m or less and a liquid dispersion medium for dispersing the particles wherein the dispersion medium is a substance that is a liquid at normal temperature, wherein the weight ratio of the leaf tobacco particles, based on the total weight of the tobacco material, is from 1 to 40 wt%, and the leaf tobacco particles and the dispersion medium are included in the tobacco material in a combined amount, based on the total amount of the tobacco material, of at least 95 wt%, and wherein the tobacco product contains shredded tobacco, the tobacco material is applied to the shredded tobacco, and the weight ratio of leaf tobacco particles having an average particle size of 30 ⁇ m or less, based on the weight of the shredded tobacco, is from 0.01 to 5%, can resolve the above problems in cigarettes.
  • the invention provides art for uniformly imparting a smoking flavor to tobacco products such as smoking articles.
  • the tobacco material includes leaf tobacco particles having an average particle size of 30 ⁇ m or less, and a dispersion medium for dispersing the particles; wherein the dispersion medium is a substance that is a liquid at normal temperature; wherein the weight ratio of the leaf tobacco particles, based on the total weight of the tobacco material, is from 1 to 40 wt%, and the leaf tobacco particles and the dispersion medium are included in the tobacco material in a combined amount, based on the total amount of the tobacco material, of at least 95 wt.
  • the leaf tobacco particles included in the tobacco material can be obtained by, for example, the following method.
  • leaf tobacco No limitation is imposed on the types of tobacco that can be used as the leaf tobacco, although suitable use can be made of leaf tobacco raw materials from major varieties of tobacco such as flue-cured, burley, domestic and oriental tobaccos, and of fermented leaf tobacco obtained using such raw materials. As these leaf tobaccos, treated stem tobacco, expanded tobacco and sheet tobacco can also be used.
  • leaf tobaccos are subjected to conventional drying treatment, following which they are coarsely ground using a conventional coarse grinding mill.
  • the drying treatment step and the coarse grinding step using a coarse grinding mill are not particularly limited, with the average particle size of the coarsely ground leaf tobacco falling in the range of from several hundred microns to several millimeters.
  • a liquid dispersion medium is added to the coarsely ground leaf tobacco, and these ingredients are mixed together by stirring.
  • the mixture obtained by such stirring and mixing is then finely ground using a wet fine grinding mill (e.g., MIC-2, available from Nara Machinery Co., Ltd.).
  • the rotational speed of the machine is typically from 1,100 to 1,300 rpm, and grinding is carried out for a period of about 5 to 100 minutes.
  • the leaf tobacco is ground to an average particle size of 30 ⁇ m or less.
  • the tobacco material can be obtained using even a dry fine grinding mill.
  • the coarsely ground leaf tobacco is finely ground to an average particle size of 30 ⁇ m or less using a dry fine grinding mill such as a jet mill, following which a liquid dispersion medium is added and stirring is carried out to effect mixture.
  • the average particle size is a value determined by the laser diffraction-scattering method.
  • the apparatus used is a laser diffraction-type particle size analyzer (e.g., the Shimadzu SALD-2100 Nanoparticle Size Analyzer), and the refractive index is set in the range of 1.60 to 0.10 i.
  • the average value for the particle diameters obtained by analytic software supplied with the instrument is treated as the average particle size.
  • the leaf tobacco particles included in the tobacco material have an average size of 30 ⁇ m or less.
  • the leaf tobacco particles in the tobacco material readily disperse evenly, making it possible to uniformly impart a smoking flavor to smoking articles.
  • the lower limit in the average particle size of the leaf tobacco particles is generally 5 ⁇ m or more, and may be 8 ⁇ m or more.
  • the average particle size of the leaf tobacco can be adjusted to the desired value.
  • Illustrative examples of the dispersion medium include monovalent aliphatic alcohols such as methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, 2-methyl-1-propanol, 2,2-dimethylethanol and cyclohexanol; monovalent alcohols having an aromatic substituent such as benzyl alcohol; and also monovalent alcohols containing one or more halogen element, and monovalent alcohols having one or more ether bond.
  • monovalent aliphatic alcohols such as methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, 2-methyl-1-propanol, 2,2-dimethylethanol and cyclohexanol
  • monovalent alcohols having an aromatic substituent such as benzyl alcohol
  • monovalent alcohols containing one or more halogen element and monovalent alcohols having one or more ether bond.
  • polyvalent alcohol refers generally to compounds having two or more hydroxyl groups on a single molecule and the types thereof are not limited. Examples thereof include glycerol and propylene glycol.
  • sugar alcohols include sorbitol, maltitol, xylitol, erythritol, lactitol, sorbitan, xylose, arabinose, mannose and trehalose.
  • sugars include lactose, sucrose, coupling sugar, glucose, enzyme-saccharified starch syrup, acid-saccharified starch syrup, maltose starch syrup, maltose, isomerized sugar, fructose, reduced maltose, reduced starch syrup, and honey.
  • Polyvalent alcohol esters are exemplified by fatty acid polyvalent alcohol esters.
  • fatty acid polyvalent alcohol esters include fatty acid triglycerides.
  • a mixed dispersion medium of water and glycerol is preferred from the standpoint of adjusting the average particle size of the leaf tobacco, when it has been finely ground, within the desired range.
  • Tobacco products to which the tobacco material is added are not particularly limited, and are exemplified by smoking articles.
  • Illustrative examples of smoking articles include cigarettes, cigar, pipe tobacco, hookah tobacco, and tobacco for Japanese kiseru pipes.
  • the tobacco material is applied to shredded tobacco .
  • the tobacco material When the tobacco material is to be added to cigarettes, it also may be added to cigarette paper, filter, tipping paper or the like which make up the cigarettes. Addition may be carried out at a single place, or may be carried out at two or more places such as at the shredded tobacco and the tipping paper each. Alternatively, it is also possible to impart differing smoking flavors during the smoking of a tobacco product such as a cigarette by adding tobacco materials obtained from different types of tobacco at different points on the cigarette paper.
  • the tobacco material is added to the filter of a cigarette, the tobacco material is impregnated into the filter.
  • the tobacco product contains shredded tobacco, to impart a desired smoking flavor to the tobacco product.
  • the weight ratio of the tobacco material and the shredded tobacco is such that the weight ratio of leaf tobacco particles having an average particle size of 30 ⁇ m or less that are included in the tobacco material, based on the weight of the shredded tobacco, is from 0.01 to 5%.
  • a smaller weight ratio (e.g., about 0.01 to 0.1%) may be employed.
  • various additives may be added to the tobacco material.
  • Illustrative examples include spearmint leaves, peppermint leaves and tea leave such as green tea for smoking flavor design, food ingredients such as coffee, cocoa, cardamom, menthol and sugar, polysaccharide thickeners such as glucan and pectin used to enhance dispersibility by adjusting the viscosity, food additives such as various types of emulsifiers, sizing agents such as carboxymethyl cellulose sodium (CMC), and curing agents for enhancing handleability following addition to leaf tobacco.
  • spearmint leaves peppermint leaves and tea leave such as green tea for smoking flavor design
  • food ingredients such as coffee, cocoa, cardamom, menthol and sugar
  • polysaccharide thickeners such as glucan and pectin used to enhance dispersibility by adjusting the viscosity
  • food additives such as various types of emulsifiers
  • sizing agents such as carboxymethyl cellulose sodium (CMC)
  • curing agents
  • additives are not particularly specified; addition may be carried out before finely grinding the leaf tobacco raw material so that the additives are finely ground together, or may be carried out to the slurry obtained after fine grinding.
  • additives may be mixed with the leaf tobacco particles in any ratio.
  • the leaf tobacco particles having the above-indicated specific average particle size and the dispersion medium are included in the tobacco material in a combined amount, based on the total amount of the tobacco material, of at least 95 wt%.
  • the average particle size of the leaf tobacco particles contained in the resulting tobacco slurry (tobacco material) was about 8.8 ⁇ m.
  • Shredded Latakia tobacco in amounts of 1 wt% or 5 wt% was added to commercial shredded tobacco and thoroughly blended. Cigarettes were produced using the resulting blended tobaccos. The sample names for the respective cigarettes thus obtained were K-1 and K-2.
  • Controls were prepared by producing cigarettes using commercial shredded tobacco (in which shredded Latakia tobacco was not blended).
  • the average size of the leaf tobacco particles was 15.6 ⁇ m.
  • a tobacco raw material to which menthol had been added was finely ground using a fine grinding mill, thereby preparing a tobacco material containing tobacco particles of the particle size specified in this invention.
  • Cigarettes containing shredded tobacco that was sprayed with this tobacco material using a sprayer were then produced.
  • cigarettes in which a tobacco raw material to which menthol had been added was blended (mixed) in a fixed ratio were produced as comparative products.
  • the menthol contents of these cigarettes were quantitatively analyzed by gas chromatography.
  • tobacco slurries were prepared using different types of leaf tobacco raw materials.
  • the types of leaf tobacco raw materials and the treatment methods used are shown below in Table 4.
  • the average particle size was determined using a SALD-2100 system from Shimadzu Corporation at a refractive index setting of 1.60 to 0.10 i.
  • Table 4 Sample information Leaf tobacco raw material Burley Flue-cured Burley Domestic Oriental Fermented leaf Latakia Perique Dark fire-cured Dispersion medium water Glycerol (containing 20 wt% water) Tobacco/disp ersion medium (weight ratio) 1/9 1/4 Treatment time (min) 70 15 Treatment rate (rpm) 1,200 Analytic results Average value ( ⁇ m) 9.6 26.5 19.6 15.8 21.2 8.8 15.6 13
  • tobacco slurries containing leaf tobacco particles having respective average sizes of from 8.8 to 26.5 ⁇ m were obtained. It was possible in all of the samples to obtain tobacco materials containing the leaf tobacco particles having an average size of 30 ⁇ m or less specified in this invention.
  • the tobacco material is able to evenly impart a smoking flavor in very small amounts to various types of smoking articles, and thus excels as a means of imparting smoking flavor to tobacco products such as smoking articles.
  • the tobacco material contains leaf tobacco that has not been subjected to chemical treatment or the like, and so is a material that retains the smoking flavor inherent to tobacco.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Tobacco Products (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
EP14797067.7A 2013-05-13 2014-01-31 Tobacco material, tobacco product to which tobacco material is added, and method for producing tobacco material Active EP2957183B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013101146 2013-05-13
PCT/JP2014/052226 WO2014185103A1 (ja) 2013-05-13 2014-01-31 たばこ材料、該たばこ材料が添加されたたばこ製品及びたばこ材料の製造方法

Publications (4)

Publication Number Publication Date
EP2957183A1 EP2957183A1 (en) 2015-12-23
EP2957183A4 EP2957183A4 (en) 2016-11-16
EP2957183B1 true EP2957183B1 (en) 2025-04-23
EP2957183C0 EP2957183C0 (en) 2025-04-23

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EP (1) EP2957183B1 (ja)
JP (2) JP6162797B2 (ja)
KR (1) KR101784081B1 (ja)
CN (1) CN105228472B (ja)
ES (1) ES3035193T3 (ja)
MY (1) MY169154A (ja)
PL (1) PL2957183T3 (ja)
RU (1) RU2632641C2 (ja)
TW (1) TWI554219B (ja)
UA (1) UA115183C2 (ja)
WO (1) WO2014185103A1 (ja)

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RU2745863C1 (ru) * 2017-09-05 2021-04-02 Джапан Тобакко Инк. Табачный материал, способ производства табачного материала, табачный продукт и способ его производства
GB201800472D0 (en) * 2018-01-11 2018-02-28 British American Tobacco Investments Ltd Material for inclusion in a smoking article
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RU2705599C1 (ru) * 2019-04-12 2019-11-11 Алексей Юрьевич Марков Соусированная собственным экстрактом сигара для кальяна и способ ее получения
RU2703566C1 (ru) * 2019-05-13 2019-10-21 Федеральное государственное бюджетное научное учреждение Всероссийский научно-исследовательский институт табака, махорки и табачных изделий (ФГБНУ ВНИИТТИ) Способ изготовления табака для кальяна на основе натуральных пищевых компонентов
EP4115747A4 (en) 2020-03-04 2024-01-17 Japan Tobacco Inc. CONSTITUTIVE ELEMENT CARRIER OF TOBACCO PRODUCT FRAGRANCE, TOBACCO PRODUCT AND ITS PRODUCTION METHOD
DE102020002624B4 (de) 2020-04-30 2022-04-07 Gopal Kamath Verfahren zur Herstellung eines Rauch- oder Dampfproduktes zum sofortigen Konsum in einer Shisha
KR102560124B1 (ko) * 2020-08-25 2023-07-26 주식회사 케이티앤지 개질된 셀룰로오스를 포함하는 흡연 물품용 향료 함유 시트 및 이를 포함하는 흡연 물품
CN112137162B (zh) * 2020-10-13 2024-05-14 云南养瑞科技集团有限公司 一种颗粒型加热不燃烧烟草制品及其制备方法
EP3984379B1 (en) * 2020-10-15 2023-07-05 JT International SA Method for manufacturing an rtb sheet comprising a tobacco product
PL3984383T3 (pl) * 2020-10-15 2024-02-12 Jt International Sa Wyrób do palenia z segmentem podgrzewanym zawierającym produkt tytoniowy
US20230380481A1 (en) * 2020-10-15 2023-11-30 Jt International Sa Smoking Article and Method for Manufacturing a Smoking Article
EP4331387A4 (en) * 2021-04-27 2025-04-30 Japan Tobacco Inc. Tobacco sheet for non-combustion heating type flavor inhaler, non-combustion heating type flavor inhaler, and non-combustion heating type flavor inhalation system
WO2022264355A1 (ja) 2021-06-17 2022-12-22 日本たばこ産業株式会社 香味成型体及びその製造方法、たばこ材料の製造方法、並びにたばこ製品の製造方法
CN118382369A (zh) 2021-12-14 2024-07-23 日本烟草产业株式会社 烟草材料及其制造方法、以及烟草产品

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ES3035193T3 (en) 2025-08-29
PL2957183T3 (pl) 2025-08-25
RU2015153195A (ru) 2017-06-19
KR20150119373A (ko) 2015-10-23
JP6162797B2 (ja) 2017-07-12
JP6721543B2 (ja) 2020-07-15
JP2017153492A (ja) 2017-09-07
TW201442647A (zh) 2014-11-16
CN105228472A (zh) 2016-01-06
TWI554219B (zh) 2016-10-21
EP2957183A1 (en) 2015-12-23
RU2632641C2 (ru) 2017-10-06
CN105228472B (zh) 2019-05-28
MY169154A (en) 2019-02-18
UA115183C2 (uk) 2017-09-25
EP2957183A4 (en) 2016-11-16
WO2014185103A1 (ja) 2014-11-20
KR101784081B1 (ko) 2017-10-10
EP2957183C0 (en) 2025-04-23

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