EP4042885A1 - Tabak-masterbatch für einen verbrennungsfreien aromainhalator und tabakmaterial damit - Google Patents

Tabak-masterbatch für einen verbrennungsfreien aromainhalator und tabakmaterial damit Download PDF

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Publication number
EP4042885A1
EP4042885A1 EP20874760.0A EP20874760A EP4042885A1 EP 4042885 A1 EP4042885 A1 EP 4042885A1 EP 20874760 A EP20874760 A EP 20874760A EP 4042885 A1 EP4042885 A1 EP 4042885A1
Authority
EP
European Patent Office
Prior art keywords
tobacco
masterbatch
component
combustion
acid
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.)
Pending
Application number
EP20874760.0A
Other languages
English (en)
French (fr)
Other versions
EP4042885A4 (de
Inventor
Hikari SAGAWA
Yuya FUKUSHIMA
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
Original Assignee
Japan Tobacco Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Japan Tobacco Inc filed Critical Japan Tobacco Inc
Publication of EP4042885A1 publication Critical patent/EP4042885A1/de
Publication of EP4042885A4 publication Critical patent/EP4042885A4/de
Pending legal-status Critical Current

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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
    • 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
    • A24B15/16—Chemical features of tobacco products or tobacco substitutes of 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
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/24—Treatment of tobacco products or tobacco substitutes by extraction; Tobacco extracts
    • A24B15/241—Extraction of specific substances
    • A24B15/243—Nicotine
    • 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
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/281—Treatment of tobacco products or tobacco substitutes by chemical substances the action of the chemical substances being delayed
    • A24B15/283—Treatment of tobacco products or tobacco substitutes by chemical substances the action of the chemical substances being delayed by encapsulation of the chemical substances
    • 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
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/20—Cigarettes specially adapted for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors

Definitions

  • the present invention relates to a tobacco masterbatch for a non-combustion-type flavor inhaler and to a tobacco material containing the tobacco masterbatch.
  • PTL Patent Literature 1 1
  • smoking flavor comparable to conventional combustion-type flavor inhalers is required for such non-combustion-type flavor inhalers.
  • an object of the present invention is to provide a tobacco masterbatch for a non-combustion-type flavor inhaler excellent in smoking flavor and a tobacco material containing the tobacco masterbatch.
  • the present inventors have found that the above-mentioned object can be attained by leaf tobacco containing specific amounts of a carboxylic acid and nicotine. In other words, the above-mentioned object is attained by the present invention below.
  • the present invention it is possible to provide a tobacco masterbatch for a non-combustion-type flavor inhaler excellent in smoking flavor and a tobacco material containing the tobacco masterbatch.
  • a tobacco masterbatch is a flavor generating material that contains a relatively high concentration of flavor component and that is used by mixing with one or more other materials to dilute the component.
  • a tobacco masterbatch of the present invention contains, by bone dry weight in the tobacco masterbatch, 80 to 130 mg/g of a carboxylic acid as a component (A) and 6.5 to 10 weight% of nicotine as a component (B).
  • a carboxylic acid as the component (A) provides to a user a mild taste while retaining smoking flavor. Meanwhile, an excessive amount of the component (A) results in an unpleasant taste.
  • the upper limit of the component (A) is preferably 120 mg/g or less and more preferably 110 mg/g or less, and the lower limit is preferably 95 mg/g or more and more preferably 100 mg/g or more.
  • Exemplary carboxylic acids include citric acid, malic acid, succinic acid, formic acid, acetic acid, and combinations thereof.
  • the carboxylic acid as the component (A) does not include an amino acid.
  • a tobacco masterbatch of the present invention is generally used as a tobacco material after mixing with one or more other materials, and hence the amount of nicotine of the tobacco material is smaller during use.
  • a tobacco material provides excellent smoking flavor compared with leaf tobacco containing the same amount of nicotine. The reason is unclear but is presumably due to uneven distribution of nicotine in the tobacco material or so-called masterbatch effect.
  • the amount of the component (B) is thus adjusted appropriately according to the concentration after dilution, and the upper limit is preferably 9 weight% or less, and the lower limit is preferably 8 weight% or more.
  • a tobacco masterbatch of the present invention may further contain 20 to 40 mg/g of an amino acid as a component (C).
  • An amino acid primarily provides a sweet taste to a user.
  • the upper limit of the component (C) is preferably 35 mg/g or less, and the lower limit is preferably 25 mg/g or more.
  • Exemplary amino acids include alanine, asparagine, aspartic acid, glutamic acid, proline, serine, and combinations thereof.
  • the contents of the above-mentioned components based on bone dry weight can be calculated, for example, from the moisture content of a masterbatch and the amounts of the components obtained through analysis or can be determined directly by analyzing a masterbatch in the bone dry state.
  • the former method is preferable.
  • such a method for the component (B) can be carried out as follows.
  • a tobacco masterbatch of the present invention can be prepared by mixing the respective components provided.
  • a material e.g., conventional leaf tobacco
  • leaf tobacco having the above-described component contents can be used as a tobacco masterbatch without further processing.
  • Such leaf tobacco can be grown by a method of, for example, applying a fertilizer in a particular period such that the amount of nitrogen reaches a specific level, harvesting and removing unwanted leaves early, or making the period from topping to harvesting longer than usual.
  • leaf tobacco having the above-described component contents can be grown by applying a fertilizer around the time of topping such that the amount of nitrogen reaches a specific level, performing topping one to two leaves deeper than typical positions to harvest and remove unwanted leaves early, and extending the period from topping to harvesting for one to two weeks longer than usual.
  • leaf tobacco that has been grown by known techniques and that is higher in the contents of the components (A), (B), and (C) than other leaf tobacco may also be used.
  • a tobacco material of the present invention is obtained by mixing the above-mentioned tobacco masterbatch with one or more other materials.
  • Such other materials are not limited provided that the component (A) or (B) is contained in an amount less than the tobacco masterbatch but are preferably materials containing the component (B) in an amount less than the tobacco masterbatch.
  • Exemplary such materials include tobacco shreds, tobacco dust, tobacco veins, tobacco stems, tobacco sheets, cellulose, and other fillers commonly used in the field concerned. These materials are used alone or in combination.
  • the mixing ratio of a tobacco masterbatch and other materials is not limited, but the lower limit of the tobacco masterbatch concentration in a tobacco material is preferably 5 weight% or more, more preferably 8 weight% or more, and further preferably 10 weight% or more. Meanwhile, the preferable upper limit is 80 weight% or less, 65 weight% or less, 50 weight% or less, 40 weight% or less, 30 weight% or less, or 20 weight% or less.
  • Various leaf tobacco may be used as other materials, and examples include flue-cured, burley, oriental, domestic, regardless of Nicotiana tabacum varieties or Nicotiana rustica varieties, and mixtures thereof. For such mixtures, the above-mentioned varieties may be used by blending as appropriate for an intended taste.
  • the details of the varieties of tobacco are disclosed in " Tobacco no Jiten (Encyclopedia of Tobacco), Tobacco Academic Studies Center, March 31, 2009 .”
  • a tobacco material may generate vapor or an aerosol upon heating.
  • the heating temperature is not limited but is about 30°C to 350°C.
  • a polyol such as glycerol, propylene glycol, or 1,3-butanediol
  • the amount of an aerosol source to be added is preferably 5 to 50 weight% and more preferably 10 to 30 weight% relative to the dry weight of a tobacco material.
  • a tobacco material may be a material that comes into contact with vapor or an aerosol generated upstream thereof (direction opposite to the mouth end) and thus can impart flavor components, such as components (A) and (B), to the vapor and so forth.
  • the shape of a tobacco material is not limited, and examples include granules of 0.3 to 1.2 mm in average particle size, shreds of 0.8 to 1.2 mm in width, sheets, and such sheets cut into the width of 0.8 to 1.2 mm.
  • a tobacco material of the present invention produces excellent smoking flavor as well as exhibits excellent delivery characteristics or uniform delivery from the start to the end of use. The reason is not limited but is presumably due to so-called masterbatch effect in which tobacco masterbatch components (A) to (C) are unevenly distributed and present in a tobacco material.
  • Tobacco material granules are granules containing a tobacco masterbatch and one or more other materials. Such granules produce smoking flavor similar to conventional combustion-type flavor inhalers and thus can improve inhalation sensation.
  • Such blends are prepared by mixing individually provided granules. By selecting the blending ratio or the types of other granules, it is possible to adjust the strength of smoking flavor, to impart different smoking flavor characteristics, or to adjust the amount of an aerosol to be generated.
  • a tobacco material sheet is a sheet containing a tobacco masterbatch and one or more other materials.
  • the sheet produces smoking flavor similar to conventional combustion-type flavor inhalers and thus can improve inhalation sensation.
  • Such blends are prepared by mixing individually provided sheets. By selecting the blending ratio and/or the types of other sheets, it is possible to adjust the strength of smoking flavor, to impart different smoking flavor characteristics, or to adjust the amount of an aerosol to be generated.
  • Shreds of a tobacco masterbatch provide intense inhalation sensation.
  • tobacco masterbatch shreds may be blended with shreds containing no tobacco masterbatch.
  • Tobacco materials added with tobacco dust are tobacco materials prepared by finely pulverizing a tobacco masterbatch into the size of 30 ⁇ m or less, suspending the resulting dust in a dispersion medium (water or glycerol), and spraying the resulting slurry on sheets or shreds containing no tobacco masterbatch.
  • a dispersion medium water or glycerol
  • Such tobacco materials can adjust the strength of smoking flavor or impart different smoking flavor characteristics.
  • a tobacco masterbatch and a tobacco material of the present invention are useful as flavor sources for a non-combustion-type flavor inhaler.
  • a non-combustion-type flavor inhaler includes a tobacco rod, a cooling segment, and a mouthpiece.
  • Fig. 1 illustrates the first embodiment of a non-combustion-type flavor inhaler of the present invention.
  • 10 is a non-combustion-type flavor inhaler
  • 1r is a tobacco rod
  • 3 is a cooling segment
  • 5 is a mouthpiece
  • 52 is a filter
  • 54 is a center hole filter
  • 7 is a tipping paper
  • V represents ventilation holes.
  • the embodiment illustrated in Fig. 1 is also referred to as a non-combustion direct-heating flavor inhaler since a tobacco material is heated.
  • a tobacco rod is an almost cylindrical member for generating a smoking flavor component contained in tobacco raw materials.
  • a tobacco rod includes a tobacco material of the present invention and a wrapper wrapped therearound.
  • the shape of a tobacco material packed inside a wrapper is not limited, and examples include sheets, such sheets cut into the width of 0.8 to 1.2 mm, and shreds of 0.8 to 1.2 mm in width. Such sheets may be crimped, folded, or spirally rolled without cutting and packed inside a wrapper to form a tobacco rod. Further, such sheets may be cut into strips and packed inside a wrapper concentrically or with the longitudinal direction of the strips aligned parallel to the longitudinal direction of a tobacco rod, thereby forming a tobacco rod.
  • the filling density of a tobacco material is not particularly limited but is typically 250 mg/cm 3 or more and preferably 320 mg/cm 3 or more from a viewpoint of ensuring the characteristics of a non-combustion-type flavor inhaler and imparting satisfactory smoking flavor. Meanwhile, the upper limit is typically 800 mg/cm 3 or less and preferably 600 mg/cm 3 or less.
  • the length of the tobacco rod 1r is not limited but is preferably 15 to 25 mm.
  • the diameter is also not limited but is preferably 6 to 8 mm.
  • a cooling segment is a member for promoting aerosol generation, for example, by cooling vapor and/or a smoking flavor component generated in the tobacco rod 1r.
  • the cooling segment 3 may be a hollow paper tube.
  • a paper tube is preferably made of cardboard having stiffness higher than a wrapper and a tipping paper.
  • the paper tube may be provided with ventilation holes V.
  • a plurality of ventilation holes are preferably formed along the circumference of the paper tube.
  • crimped sheets may be packed inside the cooling segment 3.
  • the dimensions of the cooling segment 3 are not limited, the length is preferably 15 to 25 mm and the diameter is preferably 5.5 to 7.5 mm .
  • a mouthpiece is a member that forms the mouth end.
  • the mouthpiece 5 includes a filter 52 and a center hole filter 54.
  • the filter 52 and the center hole filter 54 publicly known filters may be used.
  • a heater preferably heats the tobacco rod 1r electrically.
  • Such a heater preferably includes a heating unit equipped with a power source and so forth.
  • the combination of a heater and a non-combustion-type flavor inhaler of the first embodiment is also referred to as a non-combustion-type flavor inhaler system.
  • Fig. 1 (2) illustrates an embodiment of such a system.
  • 100 is a non-combustion-type flavor inhaler system
  • 10 is a non-combustion-type flavor inhaler
  • 30 is a heating unit equipped with a heater.
  • a heater may be disposed around the tobacco rod 1r or may be inserted into the tobacco rod 1r.
  • a heater may be a sheet heater, a plate heater, a tubular heater, or a needle heater, for example.
  • a sheet heater is a flexible sheet-shape heater, and examples include a heater containing a film (thickness of about 20 to 225 ⁇ m) of a heat-resistant polymer, such as a polyimide.
  • a plate heater is a rigid plate-shape heater (thickness of about 200 to 500 ⁇ m), and examples include a heater having a resistance circuit as a heat generator on a plate substrate.
  • a tubular heater is a hollow or solid tubular heater, and examples include a heater having a resistance circuit as a heat generator on the outer surface.
  • the cross-sectional shape of a tubular heater may be circular, elliptic, polygonal, rounded polygonal, or the like.
  • a tubular heater and a needle heater are suitable for a heating mode from the inside after being inserted into the tobacco rod 1r.
  • Fig. 2 (1) illustrates the second embodiment of a non-combustion-type flavor inhaler of the present invention.
  • 10 is a non-combustion-type flavor inhaler
  • 1c is a tobacco capsule
  • 2 is an atomization section
  • 4 is an aerosol source
  • 5 is a mouthpiece
  • 6 is a housing
  • 8 is a power source.
  • the embodiment illustrated in Fig. 2 is also referred to as a non-combustion indirect-heating flavor inhaler since a tobacco material is heated indirectly.
  • the inhaler is an article that generates an aerosol from an aerosol source placed upstream of a tobacco material and allows a flavor component from the tobacco material to be supported on the aerosol, thereby generating a flavor.
  • a tobacco capsule includes a tobacco material of the present invention and a container filled therewith.
  • the container is sealed such that gas can pass through the inside from/to the outside.
  • a container may be made of a publicly known material, such as a polymer.
  • the container is sealed such that an aerosol generated from the aerosol source 6 is introduced into the container and passes therethrough towards the mouth end.
  • the container is preferably provided with openings at the both ends in the longitudinal direction.
  • the shape of a tobacco material to be packed inside the container is not limited but is preferably granular.
  • An aerosol source may be formed by allowing the above-described aerosol source to be supported on a porous body, such as a fiber filler.
  • the length of an aerosol source is not limited but is preferably 10 to 25 mm.
  • the atomization section 2 can electrically heat the aerosol source 4 to about 200°C to 300°C.
  • An aerosol generated through the heating is introduced into the tobacco capsule 1c, passes therethrough while keeping a tobacco material in an atmosphere of 30°C to 40°C and carrying a flavor component, and is inhaled by a user.
  • the combination of a non-combustion-type flavor inhaler and a power source is referred to as a non-combustion-type flavor inhaler system.
  • the atomization section 4 may be a coil, for example, and can generate an aerosol by electricity supplied from the power source 8 as illustrated in Fig. 2 (2). A system like this is disclosed in WO 2016/075749 , for example.
  • the mouthpiece 7 may include a filter.
  • the housing 6 may be made of a publicly known material and is preferably made of a polymer, for example.
  • a tobacco material of the present invention can also be used for an ultrasonic vibration-mode flavor inhaler as the application of the present embodiment.
  • an ultrasonic vibration-mode flavor inhaler is a flavor inhaler in the mode of generating an aerosol by applying vibrations to an aerosol source using an ultrasonic oscillator as the atomization section.
  • a fertilizer was applied at 6 to 15 kg/10 a as the amount of nitrogen during the period between one week before and after topping.
  • the topping was carried out one to two leaves deeper than typical positions to harvest and remove unwanted leaves as leaf tobacco for a masterbatch. Subsequently, leaves were harvested after extending the period from topping to harvesting for one to two weeks longer than usual. The harvested leaves were air-cured to yield leaf tobacco for a masterbatch.
  • the leaf tobacco was analyzed under the following conditions to determine the contents of the respective components.
  • the leaf tobacco of 1 g was added with 20 mL of distilled water and subjected to extraction by shaking for 20 minutes. After extraction, centrifugation (3 minutes, 3200 rpm) was performed. The resulting supernatant was introduced into a high performance liquid chromatograph (HPLC) to quantify the amount of a carboxylic acid in the leaf tobacco. From this value and the moisture content, the content of a carboxylic acid component in the leaf tobacco based on dry weight was determined by the same method as in the foregoing.
  • HPLC high performance liquid chromatograph
  • the leaf tobacco of 0.2 g was added with 20 mL of 80% methanol aqueous solution and subjected to extraction through ultrasonic vibrations for 30 minutes. After extraction, centrifugation (5 minutes, 3000 rpm) was performed. The resulting supernatant was introduced into a high performance liquid chromatograph (HPLC) to quantify the amount of an amino acid in the leaf tobacco. From this value and the moisture content, the content of an amino acid component in the leaf tobacco based on dry weight was determined by the same method as in the foregoing.
  • HPLC high performance liquid chromatograph
  • Tobacco leaves were harvested in the same manner as Example 1. The harvested leaves were air-cured to yield leaf tobacco for a masterbatch. The leaf tobacco was analyzed under the above-mentioned conditions to determine the contents of the respective components.
  • Table 1 Each leaf tobacco shown in Table 1 was prepared and analyzed by the same method as Example 1 to determine the contents of the respective components.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Manufacture Of Tobacco Products (AREA)
EP20874760.0A 2019-10-10 2020-10-09 Tabak-masterbatch für einen verbrennungsfreien aromainhalator und tabakmaterial damit Pending EP4042885A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019186866 2019-10-10
PCT/JP2020/038289 WO2021070932A1 (ja) 2019-10-10 2020-10-09 非燃焼型香味吸引器用のたばこマスターバッチおよびこれを含むたばこ材料

Publications (2)

Publication Number Publication Date
EP4042885A1 true EP4042885A1 (de) 2022-08-17
EP4042885A4 EP4042885A4 (de) 2023-11-08

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ID=75436846

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20874760.0A Pending EP4042885A4 (de) 2019-10-10 2020-10-09 Tabak-masterbatch für einen verbrennungsfreien aromainhalator und tabakmaterial damit

Country Status (5)

Country Link
EP (1) EP4042885A4 (de)
JP (1) JP7335970B2 (de)
KR (1) KR20220063250A (de)
TW (1) TW202128035A (de)
WO (1) WO2021070932A1 (de)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0286256A3 (de) * 1987-03-23 1990-03-07 Imperial Tobacco Limited Rauchprodukt und Verfahren zur Herstellung desselben
EP1813158B1 (de) * 2004-08-24 2011-08-10 Japan Tobacco, Inc. Verfahren zur behandlung von tabakextrakt zum entfernen von magnesiumionen, verfahren zur herstellung von regeneriertem tabakmaterial und regeneriertes tabakmaterial
EP2412255A4 (de) 2009-03-23 2014-01-22 Japan Tobacco Inc Verfahren zur herstellung eines verbrennungsfreien tabakblattes
JP6416576B2 (ja) 2014-10-03 2018-10-31 Eizo株式会社 表示装置の色温度設定方法、表示システム、表示装置の色温度設定プログラム、表示装置の色温度決定方法
WO2016063551A1 (ja) * 2014-10-24 2016-04-28 日本たばこ産業株式会社 口腔用たばこ組成物及びその製造方法
KR101939004B1 (ko) 2014-11-10 2019-01-15 니뽄 다바코 산교 가부시키가이샤 카트리지 및 비연소형 향미 흡인기
JP7100024B2 (ja) 2017-05-26 2022-07-12 日本たばこ産業株式会社 香味源ユニット及び香味吸引器

Also Published As

Publication number Publication date
JPWO2021070932A1 (de) 2021-04-15
EP4042885A4 (de) 2023-11-08
WO2021070932A1 (ja) 2021-04-15
KR20220063250A (ko) 2022-05-17
JP7335970B2 (ja) 2023-08-30
TW202128035A (zh) 2021-08-01

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