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
• • 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
• • A—HUMAN NECESSITIES
  • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
  • A23J—PROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR FOODSTUFFS; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS
  • A23J1/00—Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites
  • A23J1/006—Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites from vegetable materials
  • A23J1/007—Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites from vegetable materials from leafy vegetables, e.g. alfalfa, clover, grass
• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
  • A24B13/00—Tobacco for pipes, for cigars, e.g. cigar inserts, or for cigarettes; Chewing tobacco; Snuff
• • 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
• • 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
  • A24B15/22—Treatment of tobacco products or tobacco substitutes by application of electric or wave energy or particle radiation
• • 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
• • 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
  • A24D1/20—Cigarettes specially adapted for simulated smoking devices

Definitions

• the present invention relates to tobacco materials, manufacturing methods thereof, and tobacco products.
• tobacco materials used in tobacco products such as cigarettes (cigarettes), non-combustible tobacco, electronic cigarettes, or smokeless tobacco.
• tobacco materials are required to have various functions in addition to the main function of releasing desired components contained in tobacco leaves, which are raw materials, and tobacco materials having desired functions and manufacturing methods thereof have been developed. ing.
• Patent Document 1 by including a step of heating a tobacco leaf raw material having a water content within a specific range in a specific temperature range, it is possible to increase the swelling property of tobacco leaves and change the flavor.
• a manufacturing method is disclosed for obtaining a tobacco material having a
• Patent Document 2 discloses a tobacco material that can impart a flavor and taste evenly by containing leaf tobacco particles having an average particle size within a specific range and a dispersion medium for dispersing the particles.
• Patent Document 3 discloses a sheet-shaped tobacco material in which the tobacco raw material is extracted with water to separate into a water-based tobacco extract and an insoluble tobacco residue, and the insoluble tobacco residue is blended with pulp to form a base sheet. and then adding the water-based tobacco extract to the base sheet to produce a reconstituted tobacco sheet with high mechanical strength and a sufficient aerosol-generating agent content. .
• Tobacco materials are required to have various functions, one of which is suppression of sticking between tobacco materials.
• the surface area of the entire tobacco material is reduced, so that the amount of the desired component released from the surface of the tobacco material is reduced, and the labor and cost during storage of the tobacco material are increased.
• the present invention is as follows. [1] A tobacco material having a total protein content of 5 mg or less per 100 mg of dry weight. [2] The tobacco material according to [1], which has a total protein content of 3 mg or less per 100 mg of dry weight. [3] The tobacco material according to [2], which has a total protein content of less than 2 mg per 100 mg of dry weight. [4] The tobacco material according to any one of [1] to [3], which has a total starch content of less than 1.8 mg per 100 mg of dry weight. [5] The tobacco material according to any one of [1] to [4], wherein the total content of total protein and total starch per 100 mg of dry weight is 7 mg or less.
• [6] A tobacco material having a total protein content of 5% by weight or less on a dry weight basis.
• the tobacco material according to any one of [1] to [9], wherein the content of components having a molecular weight of 10,000 or less is 20% by weight or more.
• a tobacco product comprising the tobacco material according to any one of [1] to [14].
• the tobacco product of [15] which is a cigarette, non-combustion heated tobacco, electronic cigarette, or smokeless tobacco.
• an extraction step of extracting raw tobacco a filtration step of filtering the extract obtained in the extraction step to obtain a filtrate; and a compact obtained by molding the residue after contacting the filtrate with the residue obtained in the extraction step, or Having a processing step of contacting the filtrate with the molded body after molding the residue obtained in the extraction step to obtain a molded body, and A method for producing a tobacco material, wherein the average pore size of the filtration membrane in the filtration step is 10,000 Da or less.
• a tobacco material according to an embodiment of the present invention is a tobacco material having a total protein content of 5 mg or less per 100 mg of dry weight.
• tobacco leaves which are raw materials of tobacco materials, contain proteins, and that these components cause sticking. Therefore, with the above tobacco material, the total surface area of the tobacco material, which can be caused by the sticking of the tobacco materials together, is reduced, so that the amount of the desired component released from the tobacco material surface is reduced. It is possible to solve problems such as increased labor and cost during storage, and difficulty in securing a flow path for gas or liquid around the tobacco material.
• the "dry weight” in this specification is not particularly limited as long as the weight is measured in a dry state, unless otherwise specified. It may be the weight after holding for 1 to 5 hours at.
• the form of the tobacco material is not particularly limited, and for example, it may consist only of material derived from tobacco leaves such as tobacco leaf lamina, leaf veins (stem), or root (hereinafter also referred to as raw tobacco). , it may be a combination of the raw tobacco and other ingredients.
• the tobacco material may be cut tobacco, tobacco sheets, processed products such as tobacco granules, or the like, but is preferably a tobacco sheet from the viewpoint of sufficiently ensuring the effect of suppressing sticking between tobacco materials.
• the total protein content per 100 mg dry weight is not particularly limited, but from the viewpoint of sufficiently ensuring the effect of suppressing sticking between tobacco materials, it is usually 5 mg or less, preferably 4 mg or less. It is preferably 3 mg or less, more preferably 2 mg or less. On the other hand, from the viewpoint of obtaining the effect of suppressing sticking between tobacco materials, it is preferable that the total amount of protein is small. It may be contained within a range in which the effects of the invention can be obtained, and may be, for example, 0.02 mg or more.
• Raw tobacco contained as a raw material for tobacco materials usually contains RuBisCo (Ribulose-1,5-bisphosphate carboxylase) as a main protein.
• the total protein content per 100 mg dry weight can be evaluated using the TaKaRa BCA Protein Assay Kit.
• the bicinchoninic acid (BCA) reagent used in this kit is a reagent for highly sensitive colorimetric quantification of protein solutions, and quantification of protein solutions solubilized by surfactants is also possible.
• the principle of protein quantification by BCA is based on a two-step reaction. In the first step, the divalent copper ions (Cu 2+ ) included in the kit are reduced to monovalent copper ions (Cu + ) by peptide bonds in the protein solution. The amount of Cu2 + reduced is proportional to the amount of protein contained in the solution.
• the method of collecting the portion to be measured from the tobacco material is not particularly limited, but the amount of 100 mg to be measured is evenly collected at multiple locations from the entire tobacco material and the average value of the total protein is evaluated. The number of collections should be 10 or more.
• the amount of starch as a component other than protein is small.
• the total amount of starch content per 100 mg dry weight is not particularly limited, but from the viewpoint of sufficiently ensuring the effect of suppressing sticking between tobacco materials, it is usually less than 1.8 mg and 1.5 mg or less. is preferably 1.2 mg or less, and even more preferably 1.0 mg or less.
• the total amount of starch is small, so it is not necessary to set the lower limit of the content, and it may be 0 mg (below the detection limit). It may be contained within a range in which the effects of the invention can be obtained, and may be, for example, 0.5 mg or more.
• "whole starch” is also simply referred to as "starch".
• the total starch content per 100 mg dry weight can be evaluated using F-kit starch manufactured by JK International.
• Starch (starch) is hydrolyzed at pH 4.6 in the presence of the enzyme amyloglucosidase (AGS) to produce D-glucose.
• AGS amyloglucosidase
• the D-glucose produced is quantified by hexokinase (HK) and glucose-6-phosphate dehydrogenase (G6P-DH) at pH 7.6.
• D-glucose is phosphorylated to starch 6-phosphate (G-6-P) by adenosine triphosphate (ATP) in the presence of hexokinase (HK) with the generation of adenosine diphosphate (ADP), and
• G-6-P is oxidized by nicotinamide adenine dinucleotide phosphate (NADP) to D-gluconate-6-phosphate and reduced nicotine.
• NADP nicotinamide adenine dinucleotide phosphate
• the amount of NADPH produced in this reaction is stoichiometrically equal to the amount of D-glucose produced in starch hydrolysis, and the increase in NADPH can be assessed by absorbance at 334 nm, 340 nm or 365 nm. .
• the method of collecting the portion to be measured from the tobacco material is not particularly limited, but 100 mg of the amount to be measured is evenly collected at multiple locations from the entire tobacco material, and the average of the total starch content Values may be evaluated, and the number of samples is set to 10 or more.
• the total content of total protein and total starch per 100 mg of dry weight is not particularly limited, but from the viewpoint of sufficiently ensuring the effect of suppressing sticking between tobacco materials, it is usually 7 mg or less, and 5 mg or less. is preferably 1 mg or less, more preferably 0.5 mg or less, and particularly preferably 0.2 mg or less.
• the amount of protein and starch is small. However, it may be contained within a range in which the effects of the present invention can be obtained, and may be, for example, 0.1 mg or more.
• the total protein content in the tobacco material is not particularly limited from the viewpoint of sufficiently ensuring the effect of suppressing sticking between tobacco materials, but it is usually 5% by weight or less, and 4% by weight or less on a dry weight basis. It is preferably 3% by weight or less, more preferably 2% by weight or less.
• the total amount of protein is small, so it is not necessary to set the lower limit of the content, and it may be 0% by weight (below the detection limit). , may be contained within a range in which the effects of the present invention can be obtained, and may be, for example, 0.02% by weight or more.
• the total amount of starch content in the tobacco material is not particularly limited from the viewpoint of sufficiently ensuring the effect of suppressing sticking between tobacco materials, but it is usually less than 1.8% by weight and 1.5% by weight on a dry weight basis. % by weight or less is preferable, 1.2% by weight or less is more preferable, and 1.0% by weight or less is even more preferable. On the other hand, from the viewpoint of obtaining the effect of suppressing sticking between tobacco materials, it is preferable that the total amount of starch is small, so it is not necessary to set the lower limit of the content, and it may be 0% by weight (below the detection limit). , may be contained within a range in which the effects of the present invention can be obtained, and may be, for example, 0.5% by weight or more.
• the total content of total protein and total starch in the tobacco material is usually 7% by weight or less, and 5% by weight or less on a dry weight basis, from the viewpoint of sufficiently ensuring the effect of suppressing sticking between tobacco materials. is preferably 1% by weight or less, more preferably 0.5% by weight or less, and particularly preferably 0.2% by weight or less.
• the above protein and starch are less, so it is not necessary to set a lower limit for the total content, and 0% by weight (below the detection limit).
• the content (mg) of each component per 100 mg of dry weight in the tobacco material is obtained by equally extracting 100 mg of the measurement target from multiple locations from the entire tobacco material and calculating the total protein and starch content. should be evaluated, and the number of sampling should be 10 or more.
• the content (% by weight) of each component in the tobacco material can be evaluated as described above.
• the total protein and total starch contents are evaluated in the same manner as the evaluation method for each content (mg) described above. be able to.
• the method for reducing the total protein and total starch content in the tobacco material is not particularly limited, but examples thereof include a method of extracting protein and starch from raw tobacco.
• important components such as nicotine are also extracted along with these components.
• a treatment is performed in which the liquid is poured back onto the residue obtained by the extraction.
• normal filtration processes are not sufficient to remove very small components such as proteins and starches. Therefore, in order to reduce the amount of total protein and total starch to the range of each content mentioned above by filtration treatment, it is necessary to perform filtration using a filtration membrane having a very small average pore size. Specific filter membrane conditions and conditions for extraction and filtration will be described later in the description of the manufacturing method of the tobacco material. It should be noted that, as shown in the examples described later, even when filtration is performed using a filtration membrane having an average pore size of 10,000 Da, the present inventors found that most of the flavor components in the tobacco material remain in the tobacco material. confirmed.
• Tobacco materials mainly include raw tobacco, and examples of raw tobacco include mesophyll (lamina), leaf veins (stem), roots, and the like of tobacco leaves.
• the content of raw tobacco per 100 mg of dry weight is not particularly limited, and is usually 6 mg or more, preferably 50 mg or more, more preferably 60 mg or more, and preferably 70 mg or more. Especially preferred. Moreover, it is usually 95 mg or less, preferably 90 mg or less.
• the content of raw tobacco can be calculated from the charged amount.
• the tobacco material may be composed only of materials derived from tobacco leaves, but may contain components other than materials derived from tobacco leaves depending on the application. good.
• carboxymethyl cellulose, hydroxypropyl cellulose, guar gum, xanthan gum, or the like can be used as the binder.
• the content of the binder in the tobacco material is not particularly limited, and is usually 0.1% by weight or more, preferably 1.0% by weight or more, more preferably 10% by weight or more, Moreover, it is usually 80% by weight or less, preferably 60% by weight or less, and more preferably 45% by weight or less.
• the tobacco material when used in tobacco products such as cigarettes, non-combustion heating tobacco, or electronic cigarettes, it can be used, for example, in the form of tobacco shreds, tobacco sheets, or tobacco granules as described below. It should be noted that the following conditions for each aspect of the tobacco material can be similarly applied to other aspects within the applicable range.
• tobacco cut First, let's start with chopping tobacco.
• Materials for shredded tobacco are not particularly limited, and known materials such as lamina, stem, and roots can be used. Further, dried tobacco leaves are pulverized to an average particle size of 20 ⁇ m or more and 200 ⁇ m or less to obtain pulverized tobacco, which is homogenized and processed into a sheet (hereinafter also simply referred to as a homogenized sheet). It can be chopped.
• a homogenizing sheet having a length approximately equal to the longitudinal direction of a member to which tobacco material is introduced, such as a tobacco rod (hereinafter referred to as "tobacco rod, etc.” in this section), is placed approximately in the longitudinal direction of the tobacco rod, etc. It may be a so-called strand type in which horizontally chopped tobacco is packed in a tobacco rod or the like.
• the width of the chopped tobacco is preferably 0.5 mm or more and 2.0 mm or less for filling a tobacco rod or the like.
• Various kinds of tobacco can be used for the tobacco leaves used for producing the cut tobacco and the homogenized sheet.
• Examples include yellow, burley, oriental, landrace, other Nicotiana-tabacum varieties, Nicotiana-Rustica varieties, or mixtures thereof.
• the above varieties can be appropriately blended and used so as to obtain the desired taste. Details of the tobacco varieties are disclosed in "Tobacco Encyclopedia, Tobacco Research Center, March 31, 2009".
• There are a number of conventional methods for producing the homogenized sheet that is, methods for pulverizing tobacco leaves and processing them into homogenized sheets.
• the first is a method of producing a papermaking sheet using a papermaking process.
• the second method is to mix pulverized tobacco leaves with an appropriate solvent such as water to homogenize the mixture, and then thinly cast the homogenized product on a metal plate or metal plate belt and dry it to produce a cast sheet.
• a third method is to prepare a rolled sheet by mixing a suitable solvent such as water with pulverized tobacco leaves, homogenizing the mixture, and extruding the mixture into a sheet.
• suitable solvent such as water
• the moisture content of the tobacco material may be 10% by weight or more and 15% by weight or less, preferably 11% by weight or more and 13% by weight or less, based on the total weight of the tobacco material. Such a moisture content suppresses the occurrence of winding stains, and improves the winding aptitude at the time of manufacturing tobacco rods into which tobacco materials are introduced.
• the dried tobacco leaves are pulverized to an average particle size of about 20 to 200 ⁇ m, and the homogenized product is processed into a sheet, and the sheet is processed into a sheet having a width of 0.5 mm or more and 2 You may use the thing chopped into 0 mm or less.
• Tobacco cuts may include an aerosol base that produces an aerosol smoke.
• the type of the aerosol base is not particularly limited, and substances extracted from various natural products and/or constituents thereof can be selected depending on the application. Aerosol bases can include glycerin, propylene glycol, triacetin, 1,3-butanediol, or mixtures thereof.
• the content of the aerosol base material in the cut tobacco is not particularly limited, and from the viewpoint of sufficiently generating an aerosol and imparting a good flavor, it is usually 5% by weight or more based on the total amount of the tobacco material, and is preferably. is 10% by weight or more, and usually 50% by weight or less, preferably 15% by weight or more and 25% by weight or less.
• tobacco shreds may contain flavorings.
• the type of flavor is not particularly limited, and from the viewpoint of imparting good flavor, acetoanisole, acetophenone, acetylpyrazine, 2-acetylthiazole, alfalfa extract, amyl alcohol, amyl butyrate, trans-anethole, star anise oil.
• apple juice Peruvian balsam oil, beeswax absolute, benzaldehyde, benzoin resinoids, benzyl alcohol, benzyl benzoate, benzyl phenylacetate, benzyl propionate, 2,3-butanedione, 2-butanol, butyl butyrate, butyric acid, caramel, cardamom oil.
• carob absolute ⁇ -carotene, carrot juice, L-carvone, ⁇ -caryophyllene, cassia bark oil, cedarwood oil, celery seed oil, chamomile oil, cinnamaldehyde, cinnamic acid, cinnamyl alcohol, cinnamyl cinnamate, citronella Oil, DL-citronellol, clary sage extract, cocoa, coffee, cognac oil, coriander oil, cumin aldehyde, davana oil, ⁇ -decalactone, ⁇ -decalactone, decanoic acid, dill herb oil, 3,4-dimethyl-1,2 -cyclopentanedione, 4,5-dimethyl-3-hydroxy-2,5-dihydrofuran-2-one, 3,7-dimethyl-6-octenoic acid, 2,3-dimethylpyrazine, 2,5-dimethylpyrazine , 2,6-
• Extract rose oil, rum, sage oil, sandalwood oil, spearmint oil, styrax absolute, marigold oil, tea distillate, ⁇ -terpineol, terpinyl acetate, 5,6,7,8-tetrahydroquinoxaline, 1 ,5,5,9-tetramethyl-13-oxacyclo(8.3.0.0(4.9))tridecane, 2,3,5,6-tetramethylpyrazine, thyme oil, tomato extract, 2- tridecanone, triethyl citrate, 4-(2,6,6-trimethyl-1-cyclohexenyl)2-buten-4-one, 2,6,6-trimethyl-2-cyclohexene-1,4-dione, 4- (2,6,6-trimethyl-1,3-cyclohexadienyl)2-buten-4-one, 2,3,5-trimethylpyrazine, ⁇ -undecalactone, ⁇ -valerolactone, vanilla extract, vanillin , vera
• the content of the flavoring agent in the cut tobacco is not particularly limited, and is usually 10,000 ppm or more, preferably 20,000 ppm or more, and more preferably 25,000 ppm or more, based on the total amount of the tobacco material, from the viewpoint of imparting good flavor. and is usually 70,000 ppm or less, preferably 50,000 ppm or less, more preferably 40,000 ppm or less, and still more preferably 33,000 ppm or less.
• the packing density of the cut tobacco in the tobacco rod or the like into which the cut tobacco is introduced is not particularly limited, but from the viewpoint of ensuring the performance of the tobacco product and imparting a good flavor, it is usually 250 mg/cm 3 or more, preferably 300 mg. /cm 3 or more, and usually 400 mg/cm 3 or less, preferably 350 mg/cm 3 or less.
• the shape of the tobacco rod is not particularly limited, and it can be formed by winding wrapping paper so that the tobacco material is on the inside. This can be similarly applied to the following aspects of tobacco sheets and tobacco granules.
• a tobacco sheet is composed of a sheet-shaped tobacco material.
• the number of tobacco sheets to be introduced into a tobacco material introduction member such as a tobacco rod (hereinafter referred to as "tobacco rod or the like” in this section) may be one or may be two or more. .
• the tobacco sheet is composed of one sheet
• a tobacco sheet having one side approximately equal in length to the longitudinal direction of the tobacco rod, etc. is arranged horizontally with the longitudinal direction of the tobacco rod, etc.
• a mode in which the sheet is filled in a state in which the sheet is folded back multiple times is exemplified.
• a tobacco sheet having one side approximately the same length as the longitudinal direction of the tobacco rod or the like is wound in a direction perpendicular to the longitudinal direction of the tobacco rod or the like and packed.
• the tobacco sheet is composed of two or more tobacco sheets
• a plurality of tobacco sheets each having a length approximately equal to the longitudinal direction of a tobacco rod or the like are arranged concentrically.
• a mode in which the tobacco rod or the like is wound in a direction orthogonal to the longitudinal direction so as to be arranged is exemplified.
• Concentrically arranged means that the centers of all the tobacco sheets are arranged at approximately the same position.
• the number of tobacco sheets is not particularly limited, but may be 2, 3, 4, 5, 6, or 7 sheets.
• Two or more tobacco sheets may all have the same composition or physical properties, or part or all of each tobacco sheet may have different compositions or physical properties.
• the thickness of each tobacco sheet may be the same or different.
• Tobacco sheets can be manufactured by preparing a plurality of tobacco sheets having different widths, laminating them so that the width decreases from the bottom to the top, and then passing the laminate through a winding tube to form a roll.
• the plurality of tobacco sheets extend in the longitudinal direction and are arranged concentrically about the longitudinal axis. Also, a fitting portion extending in the longitudinal direction may be formed between the longitudinal axis and the innermost tobacco sheet.
• the laminate is preferably prepared so that a non-contact portion is formed between the adjacent tobacco sheets after roll-forming. If there is a non-contact portion (gap) between a plurality of tobacco sheets where the tobacco sheets do not come into contact with each other, it is possible to ensure flavor flow paths and improve the delivery efficiency of flavor components. On the other hand, since the heat from the heater can be transferred to the outer tobacco sheets through the contact portions of the plurality of tobacco sheets, high heat transfer efficiency can be ensured.
• adjacent tobacco sheets are laminated without bonding the entire surfaces of adjacent tobacco sheets, and adjacent tobaccos
• adjacent tobaccos Examples include a method of preparing a laminate by partially adhering and laminating sheets, or by laminating adjacent tobacco sheets by lightly adhering all or part of adjacent tobacco sheets so that they can be peeled off after roll-forming. can.
• the wrapping paper may be arranged at the bottom of the laminate.
• the fitting portion can be formed by placing a cylindrical dummy such as a mandrel on the topmost portion of the laminate to form a tobacco sheet, and then removing the dummy.
• the packing density of the tobacco sheet in the tobacco rod or the like into which the tobacco sheet is introduced is not particularly limited, but is usually 250 mg/cm 3 or more, preferably 300 mg, from the viewpoint of securing the performance of the tobacco product and imparting a good flavor. /cm 3 or more, and usually 400 mg/cm 3 or less, preferably 350 mg/cm 3 or less.
• the tobacco sheet may contain an aerosol base material that generates aerosol smoke upon heating.
• an aerosol source such as glycerin, propylene glycol, or a polyol such as 1,3-butanediol as an aerosol base.
• the amount of the aerosol base added is preferably 5% by weight or more and 50% by weight or less, more preferably 15% by weight or more and 25% by weight or less, relative to the dry weight of the tobacco sheet.
• Tobacco sheets can be appropriately manufactured by known methods such as paper making, slurrying, or rolling.
• the homogenizing sheet described in the section on chopping tobacco can also be used.
• the papermaking method it can be produced by a method including the following steps. 1) Dry tobacco leaves are crushed and extracted with water to separate the water extract and residue. 2) Dry and concentrate the water extract under reduced pressure. 3) Pulp is added to the residue, fiberized with a refiner, and then paper is made. 4) A concentrated solution of the water extract is added to the paper sheet and dried to obtain a tobacco sheet. In this case, a step of removing some components such as nitrosamines may be added (see JP-T-2004-510422).
• the slurry method it can be produced by a method including the following steps. 1) Mix crushed tobacco leaves with water, pulp and binder. 2) The mixture is spread (cast) and dried. In this case, a step of removing some components such as nitrosamines by irradiating a slurry obtained by mixing water, pulp and binder with crushed tobacco leaves with ultraviolet rays or X-rays may be added.
• a non-woven tobacco sheet manufactured by a method including the following steps can also be used. 1) Mix powdered tobacco leaves and a binder. 2) The mixture is sandwiched between nonwoven fabrics. 3) The laminate is heat-sealed into a given shape to obtain a non-woven tobacco sheet.
• the types of tobacco leaves used as raw materials in each of the above methods may be the same as those described in the section on chopped tobacco.
• the composition of the tobacco sheet is not particularly limited, for example, the content of the tobacco raw material (tobacco leaf) is preferably 50% by weight or more and 95% by weight or less with respect to the total weight of the tobacco sheet.
• the tobacco sheet may contain a binder, and as such a binder, the binders described above may be used, such as guar gum, xanthan gum, CMC (carboxymethylcellulose), or CMC-Na (sodium salt of carboxymethylcellulose). mentioned.
• the amount of the binder is preferably 1% by weight or more and 10% by weight or less with respect to the total weight of the tobacco sheet.
• the tobacco sheet may further contain other additives. Examples of additives include fillers such as pulp. Although a plurality of tobacco sheets are used in this embodiment, the tobacco sheets may all have the same composition or physical properties, or part or all of the tobacco sheets may have different compositions or physical properties.
• each tobacco sheet is not limited, but is preferably 150 ⁇ m or more and 1000 ⁇ m or less, more preferably 200 ⁇ m or more and 600 ⁇ m or less, in terms of balance between heat transfer efficiency and strength.
• the thickness of each tobacco sheet may be the same or different.
• Raw materials for tobacco granules are not particularly limited, but are selected from the group consisting of (a) pulverized tobacco leaves or tobacco materials according to other embodiments, (b) moisture, and (c) potassium carbonate and sodium bicarbonate. (d) at least one binder selected from the group consisting of pullulan and hydroxypropylcellulose; and the like.
• the pulverized tobacco leaves or pulverized tobacco materials (component (a)) contained in the tobacco granules include pulverized tobacco leaves, pulverized tobacco sheets, and the like.
• the type of tobacco may be burley, yellow, oriental, or the like.
• the tobacco material is preferably pulverized to a size of 200 ⁇ m or more and 300 ⁇ m or less.
• the raw material mixture of tobacco granules usually contains pulverized tobacco material in an amount of 20% by weight or more and 80% by weight or less.
• Moisture contained in the tobacco granules is for maintaining the integrity of the tobacco granules.
• the raw material mixture of tobacco granules usually contains water in an amount of 3% by weight or more and 13% by weight or less.
• the tobacco granules can usually contain moisture in an amount of 5% by weight or more and 17% by weight or less in loss on drying.
• the pH adjuster (ingredient (c)) contained in tobacco granules consists of potassium carbonate, sodium bicarbonate or a mixture thereof. These pH adjusters adjust the pH of the tobacco granules to the alkaline side, thereby promoting the release of the flavor components contained in the tobacco granules from the tobacco granules, thereby providing a flavor that satisfies users.
• the raw material mixture of tobacco granules may contain a pH adjuster in an amount of generally 5% by weight or more and 20% by weight or less.
• the binder (ingredient (d)) contained in the tobacco granules binds the tobacco granule components together to maintain the integrity of the tobacco granules.
• Binders which may be those described above, are composed of pullulan, hydroxypropyl cellulose (HPC), or mixtures thereof.
• the raw material mixture of tobacco granules can usually contain a binder in an amount of 0.5% by weight or more and 15% by weight or less.
• Tobacco granules can consist of the above components (a), (b), (c) and (d), but can further include additional components. Additional components include an aerosol base (component (e)).
• An aerosol substrate is one that produces an aerosol smoke.
• the aerosol base is composed of a polyhydric alcohol, which can include glycerin, propylene glycol, sorbitol, xylitol or erythritol. These polyhydric alcohols can be used alone or in combination of two or more. When the raw material mixture of tobacco granules contains an aerosol base, it may be contained in an amount of 5% by weight or more and 15% by weight or less. Additional ingredients also include (f) flavoring materials (solid or liquid) other than flavoring ingredients.
• Such flavoring agents include sugar (such as sucrose or fructose), cocoa powder, carob powder, coriander powder, licorice powder, orange peel powder, rosepipe powder, chamomile flower powder, lemon verbena powder, peppermint powder, leaves. Powder, spearmint powder, black tea powder, menthol and the like are included. These flavoring agents can be used alone or in combination of two or more.
• the raw material mixture of tobacco granules may contain the flavoring agent in an amount of generally 0.5% by weight or more and 30% by weight or less.
• the flavoring agents may be added to ingredients (a), (b), (c), (d) and (e) by kneading directly with them, or may be added to known encapsulants such as cyclodextrin.
• the clathrate compound may be prepared by supporting it on a contact host compound, and then kneaded with the above components to add to the above components.
• the raw material mixture of the tobacco granules usually contains component (a) in an amount of about 33% by weight or more. (up to about 90% by weight).
• Tobacco granules are prepared by mixing components (a), (c) and (d) and optionally components (e) and (f), adding component (b) to the mixture and kneading to obtain a kneaded product is granulated (long columnar) with a wet extrusion granulator, and then granulated into short columns or spheres.
• the average particle size (D50) of the obtained tobacco granules is usually 0.2 mm or more and 1.2 mm or less, preferably 0.2 mm or more and 1.0 mm or less, and 0.2 mm or more and 0.8 mm. The following are more preferable.
• the kneaded material During extrusion granulation, it is preferred to extrude the kneaded material at ambient temperature and a pressure of 2 kN or more. Due to this high-pressure extrusion, the temperature of the kneaded material at the outlet of the extrusion granulator instantaneously and rapidly rises from the ambient temperature to, for example, 90° C. to 100° C. % or less evaporates. Therefore, the amount of water to be blended for making the kneaded product can be used in an amount larger than the desired moisture content in the tobacco granules by the above evaporation amount.
• Tobacco granules obtained by extrusion granulation may be further dried as necessary to adjust the moisture content.
• the loss on drying of tobacco granules obtained by extrusion granulation is measured, and if it is higher than the desired loss on drying (for example, 5% by weight or more and 17% by weight or less), tobacco is added to obtain the desired loss on drying.
• Granules may be further dried.
• the drying conditions (temperature and time) for obtaining the desired loss on drying should be determined in advance and set based on the drying conditions (temperature and time) required to reduce the loss on drying by a predetermined value. can be done.
• Tobacco granules can consist only of the above tobacco granules, but can further contain additional tobacco materials.
• the additional tobacco material is usually chopped or dusted tobacco leaves. Additional tobacco materials can be used in admixture with the tobacco granules.
• tobacco powder obtained by pulverizing tobacco leaves.
• Tobacco powder may include dried tobacco leaf lamina cuts, fines, fibers, and the like.
• tobacco leaves may include mesophyll (lamina), leaf veins (stem), roots, or the like.
• the above-mentioned tobacco filler may contain elements derived from tobacco leaf backbones and roots in addition to tobacco powder basically obtained from tobacco leaf lamina.
• the particle size of the tobacco powder is not particularly limited. It is preferably passed through a mesh of 2 mm, more preferably passed through a mesh of 1.0 mm.
• the tobacco species used as the raw material for the tobacco powder is not particularly limited, and examples thereof include Nicotiana tabacum yellow variety, Burley variety, and Nicotiana rustica Brasilia variety.
• the content of components having a molecular weight of 10,000 or less in the tobacco material is not particularly limited, but is usually 10% by weight or more, preferably 20% by weight or more, more preferably 30% by weight or more, and 40% by weight or more. It is more preferably 50% by weight or more, more preferably 50% by weight or more, and is usually 90% by weight or less, may be 80% by weight or less, or may be 60% by weight or less.
• the above molecular weight can be measured by electrophoresis or HPLC.
• the turbidity of the extract obtained by using water as a solvent and performing extraction under the conditions of a heating temperature of 80 ° C. and a heating time of 30 minutes is preferably 200 NTU or less, more preferably 80 NTU or less. It is preferably 20 NTU or less, more preferably 10 NTU or less, and although it is not particularly necessary to set an upper limit, it is usually 2 NTU or more, and may be 5 NTU or more.
• a value measured with a portable turbidity meter CT100 manufactured by Sem Corporation can be adopted.
• the manufacturing method of the tobacco material described above is not particularly limited, and for example, it can be manufactured by the following manufacturing method according to another embodiment of the present invention.
• Another embodiment of the present invention is a method for producing a tobacco material (hereinafter also simply referred to as "a method for producing a tobacco material"), comprising an extraction step of extracting raw tobacco; a filtration step of filtering the extract obtained in the extraction step to obtain a filtrate; and a compact obtained by molding the residue after contacting the filtrate with the residue obtained in the extraction step, or Having a processing step of contacting the filtrate with the molded body after molding the residue obtained in the extraction step to obtain a molded body, and
• the average pore size of the filtration membrane in the filtration step is 10,000 Da or less.
• the manufacturing method of tobacco material according to the present embodiment has an extraction step of extracting raw tobacco to obtain an extract.
• the method of extraction is not particularly limited, and any known method can be employed, including a treatment in which raw tobacco is immersed in a solvent and then heated to obtain an extract.
• the type of solvent that can be used for the above extraction is not particularly limited as long as it can dissolve protein (preferably protein and starch), and may be an organic solvent or an inorganic solvent.
• the heating temperature in the extraction is not particularly limited, and may be, for example, 1° C. or higher, preferably 5° C.
• the temperature may be 95° C. or lower, preferably 90° C. or lower, more preferably 80° C. or lower, and even more preferably 70° C. or lower.
• the heating time in the extraction is not particularly limited, and may be, for example, 20 minutes or longer, preferably 30 minutes or longer, more preferably 1 hour or longer, and further preferably 1.5 hours or longer. It is preferably 3 hours or less, more preferably 2 hours or less.
• the manufacturing method of tobacco material according to the present embodiment has a filtration step of filtering the extract obtained in the extraction step to obtain a filtrate.
• a filtration membrane having a very small average pore size is 10,000 Da or less, and is 5,000 Da or less from the viewpoint that the content of total protein (preferably total protein and total starch) can be reduced. and particularly preferably 2,000 Da or less.
• the mode of filtration treatment is not particularly limited, and general filtration treatment can be applied, but from the viewpoint of improving the efficiency of filtration, it is preferable to adopt cross-flow filtration. It is more preferable to use together dialysis treatment such as.
• the above filtration method is not particularly limited as long as the filtration membrane having the above average pore size is used, and known methods can be employed.
• the material of the filtration membrane is not particularly limited, but polyester, polypropylene, polysulfone, hydrophilic polysulfone, polyethersulfone, fluororesin and the like are usually used.
• the thickness of the filtration membrane is not particularly limited, it is usually 0.5 ⁇ m or more, preferably 1.0 ⁇ m or more, and preferably 1.5 ⁇ m or more from the viewpoint of clogging prevention and filtration efficiency. It is more preferably 2.0 ⁇ m or more, particularly preferably 2.5 ⁇ m or more, and the upper limit may be, for example, 1 mm or less.
• the temperature of the extract during filtration is not particularly limited, but from the viewpoint of clogging prevention and efficiency of filtration, it is usually 15° C. or higher, preferably 20° C. or higher, and preferably 30° C. or higher. It is more preferably 45° C. or higher, particularly preferably 45° C. or higher, and is usually 95° C. or lower, preferably 90° C. or lower, more preferably 80° C. or lower, and particularly preferably 70° C. or lower. .
• the suspended solids are insoluble substances having a particle size of 2 mm or less, and are a group of colloidal components composed of raw tobacco powder, protein, and starch.
• this suspended matter may cause burning of the liquid contact heating part of the concentrator during heat concentration. It causes high viscosity.
• the main protein contained in raw tobacco is RuBisCo (Ribulose-1,5-bisphosphate carboxylase), which is one of oxygen involved in metabolism.
• RuBisCo is mainly biosynthesized in the process of developing tobacco leaves, and after reaching a maximum amount of about 60% of the total amount of protein contained in the tobacco leaf extract after 15 days of growth, the amount is about 20%. exists in RuBisCo is a hexamer consisting of 8 large subunits with a molecular weight of about 53,000 and 8 small subunits with a molecular weight of about 12,000. RuBisCo is eluted from the tobacco leaves into the extract, and contributes to increasing the viscosity during concentration and drying. Moreover, the molecular weight of starch is generally said to be 50,000 to 360,000, and it is one of the main viscous components in the extract.
• the total protein content in the filtrate subjected to filtration is not particularly limited, but from the viewpoint of suppressing the sticking of the finally obtained tobacco materials, the total protein content in the extract before filtration is set to 100% by weight.
• the total protein content in the extract after filtration is usually 80% by weight or less, preferably 70% by weight or less, more preferably 50% by weight or less, and 10% by weight or less. Although it is not particularly necessary to set a lower limit, it is usually 0.5% by weight or more, may be 5% by weight or more, or may be 8% by weight or more.
• the above total protein content can be evaluated by the following method.
• the total starch content in the filtrate subjected to filtration is not particularly limited, but from the viewpoint of suppressing the sticking of the finally obtained tobacco materials to each other, the total starch content in the extract before filtration is set to 100% by weight.
• the total starch content in the extracted liquid after filtration is usually 80% by weight or less, preferably 70% by weight or less, more preferably 60% by weight or less, and 50% by weight or less. Although it is not particularly necessary to set a lower limit, it is usually 15% by weight or more, may be 30% by weight or more, or may be 50% by weight or more.
• the above total starch content can be evaluated by the same method as the method for evaluating the total starch content using F-kit starch manufactured by JK International.
• the turbidity reduction rate of the filtrate when the turbidity of the extract before filtration is 1 ((turbidity of the extract before filtration - turbidity of the extract after filtration) x 100/extract before filtration turbidity) is preferably 50% or more, more preferably 70% or more, even more preferably 80% or more, particularly preferably 90% or more, and 100% or less can be Although it is not particularly necessary to set the upper limit of the turbidity of the extract after filtration, it is usually 40% or less, may be 30% or less, or may be 20% or less.
• the turbidity reduction rate can be considered as the removal rate of suspended matter in the extract.
• the turbidity can be measured by the same method as the method for measuring the turbidity of the tobacco material extract described above.
• the filtrate is brought into contact with the residue obtained in the extraction step, and then the residue is molded to obtain a compact, or the residue obtained in the extraction step is is molded to obtain a molded body, and then the filtrate is brought into contact with the molded body.
• the method of bringing the filtrate into contact with the residue is not particularly limited, and examples thereof include a method of immersing the residue in the filtrate and a method of spraying the residue with the filtrate.
• the method for molding the residue is not particularly limited, and it can be molded by a known method. For example, it can be molded into the above-mentioned tobacco shreds, tobacco sheets, tobacco granules, or the like.
• the method of contacting the molded article with the filtrate is not particularly limited, and includes a method of immersing the molded article in the filtrate, a method of spraying the filtrate on the molded article, and the like.
• the filtrate to which the above filtration is applied penetrates into the residue more easily than the extract to which no filtration is applied. This is due to the reduction of proteins (especially proteins and starches) with thickening properties.
• the dry matter permeation ratio represented by ((weight of tobacco material after permeation drying ⁇ residue before permeation/weight of compact) ⁇ 100/weight of raw tobacco) is preferably 60% or more, more preferably 75% or more. It is preferably 80% or more, particularly preferably 90% or more, and although it is not particularly necessary to set an upper limit, it is usually 100% or less.
• the manufacturing method of the tobacco material according to this embodiment may have steps other than the extraction step, filtration step, and processing step described above.
• a step of cooling to precipitate and remove suspended solids or adsorbing macromolecules may be provided instead of the filtering step.
• a tobacco product which is another embodiment of the present invention, is a tobacco product comprising the tobacco material described above, and specific examples of the tobacco product include cigarettes, non-combustion heat-and-burn tobacco, electronic cigarettes, smokeless tobacco, and the like. be done.
• a non-combustion heated tobacco product or an electronic cigarette is a so-called cartridge contained in a non-combustion heated tobacco product or an electronic cigarette product, respectively.
• the manner in which the tobacco material is used in cigarettes, non-combustion heating tobacco, or electronic cigarettes is not particularly limited, and it can be used in place of tobacco materials used in these tobacco products.
• the tobacco material described above can be introduced into the member for use.
• the above tobacco product is represented as a cigarette, a non-combustion heating tobacco, or an electronic cigarette comprising at least a tobacco material receiving member such as a tobacco rod member, said tobacco material receiving member comprising the tobacco material described above.
• the above-described tobacco material may be introduced into these members by addition or the like.
• non-combustion heated tobacco product of the present invention is an electrically heated device comprising a heater member, a battery unit that powers the heater member, and a control unit that controls the heater member. and the above non-combustion heating tobacco inserted so as to be in contact with the heater member.
• the manner in which the tobacco material is used in smokeless tobacco is not particularly limited, and it can be used in place of tobacco materials used in smokeless tobacco such as oral tobacco pouch products in which tobacco material is enclosed in a pouch, chewing tobacco, or snuff. . These smokeless tobaccos are inserted between the lips and gums in the oral cavity to enjoy the taste and aroma.
• an oral pouch product having an oral composition containing a tobacco material and a pouch made of a non-woven fabric or the like for packaging the oral composition, wherein the above-mentioned tobacco material is introduced into the member.
• the above tobacco product comprises at least an oral composition containing tobacco material and a pouch for packaging the oral composition, wherein the tobacco material is the tobacco material described above.
• the tobacco material is the tobacco material described above.
• Conditions such as characteristics and amounts of tobacco materials used in each of the above tobacco products can be appropriately set within the range of conditions for known tobacco products.
• Cross-flow filter Lab Unit M10 manufactured by Alfa-Laval ⁇ Average pore size of filtration membrane (filter): 100 kDa (indicating that the filtration capacity is 100 kDa), 10 kDa ⁇ Filtration membrane thickness: 0.1 ⁇ m ⁇ Membrane surface flow rate for average pore size of filtration membrane: 0.9 mL / min ⁇ cm 2 ⁇ Temperature of extract during supply: 45°C
• Total protein content in raw tobacco extract Using BCA Protein Assay Kit (manufactured by Takara), 20 ⁇ L each of the BSA standard solution and the above extracts A to C were dispensed, 1 mL of Bradford Dye Reagent was added and mixed, and reacted at room temperature of 25° C. for 5 minutes. rice field. The total protein content of each solution after the reaction was evaluated from the absorbance at 595 nm (absorbance derived from BSA protein). From this result, filtration using a 100 kDa filtration membrane did not change the total protein in extract A, but filtration using a 10 kDa filtration membrane reduced the total protein in extract A to 80% by weight or more. found to have been removed.
• Total starch content in raw tobacco extract Starch content was evaluated using F-kit starch (manufactured by JK International). As a result, it was found that filtration using a 100 kDa filtration membrane hardly changed the total amount of protein in the extract A, but removed 30% or more of the total amount of starch. It can also be speculated that more starch can be removed by filtration using a 10 kDa filtration membrane with an average pore size smaller than 100 kDa, which limits the substances that can pass through.
• Paper was made from the residue obtained by each of the above extraction treatments to obtain a sheet-like compact having a thickness of 0.5 mm and an area of 25 cm 2 (5 cm ⁇ 5 cm). Thereafter, the tobacco sheet was immersed in each of the above extracts A to C for 10 minutes, and then dried at 80° C. for 2 hours to obtain sheet-like tobacco materials A to C, respectively.
• tobacco material A is 53 mg
• tobacco material B is 62 mg
• tobacco material C is 87 mg.
• Total protein content in tobacco material Proteins in each of the above tobacco materials A to C were evaluated by the following method. First, 100 mg of the tobacco material to be measured was evenly sampled at 10 points from the entire tobacco material, 100 mg of distilled water was added, extracted at 80° C. for 1 hour, and the average value was calculated and evaluated. In addition, the total protein content in the tobacco material was measured by the method for measuring the total protein content described above in the description of the tobacco material. As a result, the total protein content per 100 mg of dry weight was 6 mg for tobacco material A (equivalent to 6% by weight of the total protein content in the tobacco material), and 6 mg for tobacco material B ( It was 2 mg in tobacco material C (corresponding to a total protein content of 2% by weight in the tobacco material).
• the total starch content per 100 mg of tobacco material in terms of dry weight was 3.0 mg in tobacco material A (equivalent to a total starch content of 3.0% by weight in the tobacco material), and in tobacco material B, 1.8 mg (corresponding to a total starch content of 1.8% by weight in the tobacco material).
• more starch can be removed by filtration using a filtration membrane of 10 kDa, which has an average pore size smaller than 100 kDa, that is, the substance that can pass through is limited. It can be estimated that the total starch content per 100 mg of tobacco material on a dry weight basis in 2000 will be less than 1.8 mg (corresponding to a total starch content of 1.8% by weight in the tobacco material).
• the total content of total protein and total starch per 100 mg of tobacco material in terms of dry weight is 9 mg in tobacco material A (high molecular weight in tobacco material). 9% by weight), and 7.8 mg in tobacco material B (corresponding to 7.8% by weight of the polymer content in the tobacco material).
• the total content of total protein and total starch per 100 mg of tobacco material dry weight is less than 3.8 mg (equivalent to 3.8% by weight of macromolecule content in tobacco material) in tobacco material C. It can be inferred that

Landscapes

• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Health & Medical Sciences (AREA)
• General Health & Medical Sciences (AREA)
• Toxicology (AREA)
• Life Sciences & Earth Sciences (AREA)
• Biochemistry (AREA)
• Engineering & Computer Science (AREA)
• Food Science & Technology (AREA)
• Polymers & Plastics (AREA)
• Manufacture Of Tobacco Products (AREA)

Priority Applications (5)

Applications Claiming Priority (2)

Related Child Applications (1)

Publications (1)

Family

ID=86774366

Family Applications (1)

Country Status (6)

Cited By (1)

Citations (10)

Family Cites Families (7)

• 2022
  • 2022-12-13 JP JP2023567790A patent/JP7716502B2/ja active Active
  • 2022-12-13 KR KR1020247022019A patent/KR20240117123A/ko active Pending
  • 2022-12-13 EP EP22907444.8A patent/EP4449892A4/en active Pending
  • 2022-12-13 CN CN202280082115.2A patent/CN118382369A/zh active Pending
  • 2022-12-13 WO PCT/JP2022/045881 patent/WO2023112920A1/ja not_active Ceased
• 2024
  • 2024-05-31 US US18/679,465 patent/US20240315310A1/en active Pending

Patent Citations (10)

Non-Patent Citations (2)

Also Published As

Similar Documents

Legal Events