US20120006345A1 - Method for producing non-combustion type tobacco sheet - Google Patents
Method for producing non-combustion type tobacco sheet Download PDFInfo
- Publication number
- US20120006345A1 US20120006345A1 US13/239,710 US201113239710A US2012006345A1 US 20120006345 A1 US20120006345 A1 US 20120006345A1 US 201113239710 A US201113239710 A US 201113239710A US 2012006345 A1 US2012006345 A1 US 2012006345A1
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- United States
- Prior art keywords
- tobacco
- sheet
- acid
- tobacco sheet
- liquid
- 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.)
- Abandoned
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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
- 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
- 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
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/01—Making cigarettes for simulated smoking devices
Definitions
- the present invention relates to a method for producing a non-combustion type tobacco sheet, the method particularly improving flavor and taste.
- Non-combustion type flavor suction articles which will not generate smoke or undesirable combustion products have been developed.
- non-combustion type flavor suction articles such a type that a tobacco sheet is heated and vapor of effective tobacco components generated is sucked has advantages in a simple structure and of being easy to handle.
- the non-combustion type flavor suction articles of this type tend to give insufficient flavor and taste. Therefore, there may be considered that the method for producing the tobacco sheet is improved for strengthening the flavor and taste.
- Jpn. Pat. Appln. KOKAI Publication No. 56-148275 describes a method for treating tobacco, comprising contacting a tobacco material with water to separate them into an aqueous extract and an insoluble tobacco residue, selectively removing the nitrate ions contained in the aqueous extract, and mixing the denitrified aqueous extract with the insoluble tobacco residue.
- this method is intended to reduce vapor components (nitrogen oxides, HCN, and CO) during burning by selectively reducing the nitrate ions, and this method is not used for non-combustion type articles.
- the amount of nicotine released during smoking of the cigarette produced by using the treated tobacco is not so different from that of a cigarette produced by using untreated tobacco. Therefore, this method cannot improve the flavor and taste.
- An object of the present invention is to provide a method for producing a non-combustion type tobacco sheet with improved flavor and taste.
- a method for producing a non-combustion type tobacco sheet comprising: contacting a tobacco raw material with water to separate them into an aqueous extract and an insoluble tobacco residue; selectively reducing anions contained in the aqueous extract to provide a low-anion liquid; adding an acid to the low-anion liquid to provide a neutralized liquid; and blending pulp to the insoluble tobacco residue to prepare a mixture from which a sheet is made, followed by adding the neutralized liquid to the sheet to provide a tobacco sheet.
- the step of selectively reducing anions contained in the aqueous extract is achieved by, for example, anion exchange.
- the acid added to the low-anion liquid is selected from the group consisting of acetic acid, malic acid, maleic acid, citric acid, and succinic acid.
- Use of the method of the present invention enables to produce a non-combustion type tobacco sheet providing improved flavor and taste.
- FIG. 1 is a perspective view showing an example of a roll including a non-combustion type tobacco sheet according to one embodiment of the present invention
- FIG. 2 is an illustration showing the insertion of the roll including the tobacco sheet into a heater of a heating device
- FIG. 3 is a cross-sectional view of the heating device into which the roll including the tobacco sheet is inserted.
- FIG. 4 is a perspective view showing the heating device.
- Japanese burley leaves (burley 21) were prepared as a tobacco raw material.
- the tobacco raw material was finely cut, and 200 g of the lamina was stirred in 20 times volume of water, and then the mixture was separated into an aqueous extract and an insoluble tobacco residue.
- a weakly basic anion exchange resin (Amberite IRA96SB, manufactured by Rohm and Haas) was charged into an open column with a diameter of 18 mm.
- the above-described aqueous extract was passed through the column at a flow rate of 5 mL/min to provide a low-anion liquid.
- the low-anion liquid was concentrated using an evaporator.
- An acid was added to the concentrated low-anion liquid until the pH reached 5.6 to provide a neutralized liquid.
- the acid used was nitric acid, malic acid, citric acid, or succinic acid.
- the method of the present invention for producing a tobacco sheet is different from conventional method for producing a tobacco sheet in respect of having additional steps of selectively reducing anions contained in the aqueous extract, and adding an acid to the low-anion liquid to provide a neutralized liquid.
- the tobacco sheet was cut into a piece with a length of 10 mm and a width of 27 mm, and formed into a cylinder with a length of 10 mm and a diameter of 8 mm.
- the cylindrical tobacco sheet 21 was brought into contact with a cylindrical mouthpiece 30 with a length of 48 mm and a diameter of 8 mm, and a wrapping material 22 having high heat conductivity was wrapped around the tobacco sheet 21 and the mouthpiece 30 thereby bonding them together.
- a heat-conducting wrapping material 22 an aluminum foil or an aluminum-paper laminate is typically used.
- the composite of the tobacco sheet 21 and the wrapping material 22 is hereinafter referred to as a roll 20 .
- the roll 20 including the tobacco sheet is inserted into a heater 11 having a hollow cylindrical structure in a heating device 10 .
- the heater 11 is preferably a hollow cylinder made of the same material as the wrapping material 22 (for example, aluminum) of the roll 20 which is covered with an electric resistor. The reason for this is that electrolytic corrosion can undesirably occur if the material of the inner surface of the heater 11 is different from the material of the wrapping material 22 .
- At least either one of the roll 20 and the heating device 10 may contain a flavor or flavor carrier. From the viewpoint of storage stability, it is preferable that flavor is carried by a carrier so that the flavor is released by heating.
- FIG. 3 is a cross-sectional view of the heating device into which the roll including the tobacco sheet is inserted.
- the heater 11 having a hollow cylindrical structure and fitted in the heating device 10 is heated to a temperature of 80 to 140° C.
- the roll 20 including the tobacco sheet is inserted into the hollow part of the heater 11 .
- the suction end of the mouthpiece 30 has no filter. The size, shape, and material of the mouthpiece 30 are appropriately selected in consideration of holding a cigarette in the mouth.
- FIG. 4 is a perspective view of the heating device 10 .
- the heating device 10 includes the heater 11 having a hollow cylindrical structure.
- the heating device 10 contains a control circuit 12 , a temperature sensor (not shown), and a battery 13 .
- Examples of the temperature sensor include a thermocouple and a thermistor.
- the control circuit 12 is powered by the battery 13 , and perform a feedback control such that the temperature of the heater 11 detected by the temperature sensor ranges from 80 to 140° C.
- the heater 11 was heated to 115° C. in about 10 seconds while controlling the temperature by the control circuit 12 .
- effective components originated from tobacco leaf giving flavor and taste are taken in as vapor.
- smoke and combustion products will not generate from the tobacco sheet 21 , so that the user can enjoy the flavor without fear of causing a nuisance to the surroundings.
- ash and burning associated with usual cigarettes will not occur, so that the roll after use can be readily collected and disposed of.
- the tobacco sheet produced using a neutralized liquid that had been prepared by neutralizing a low-anion liquid with an acid provided excellent flavor and taste compared with a tobacco sheet produced using a low-anion liquid that had not been neutralized.
- nicotine content of the tobacco sheet and pH of the tobacco sheet were measured.
- the nicotine content of the tobacco sheet was measured as follows: after storage for two days, nicotine remaining in the tobacco sheet was extracted, and the nicotine content was measured by GC/MS.
- the pH of the tobacco sheet was measured as follows: a piece of tobacco sheet with a length of 10 mm and a width of 27 mm was stored for two days, and then shaken and extracted in 10 mL of 0.4 mol/L KCl aqueous solution, and then the pH was measured with a pH meter.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Tobacco Products (AREA)
Abstract
A method for producing a non-combustion type tobacco sheet includes contacting a tobacco raw material with water to separate them into an aqueous extract and an insoluble tobacco residue, selectively reducing anions contained in the aqueous extract to provide a low-anion liquid, adding an acid to the low-anion liquid to provide a neutralized liquid, and blending pulp to the insoluble tobacco residue to prepare a mixture from which a sheet is made, followed by adding the neutralized liquid to the sheet to provide a tobacco sheet.
Description
- This application is a Continuation Application of PCT Application No. PCT/JP2010/054878, filed Mar. 19, 2010 and based upon and claiming the benefit of priority from prior Japanese Patent Application No. 2009-070535, filed Mar. 23, 2009, the entire contents of all of which are incorporated herein by reference.
- 1. Field of the Invention
- The present invention relates to a method for producing a non-combustion type tobacco sheet, the method particularly improving flavor and taste.
- 2. Description of the Related Art
- Usual tobacco requires burning, and thus can generate smoke and undesirable combustion products. In order to solve this problem, non-combustion type flavor suction articles which will not generate smoke or undesirable combustion products have been developed. Of the non-combustion type flavor suction articles, such a type that a tobacco sheet is heated and vapor of effective tobacco components generated is sucked has advantages in a simple structure and of being easy to handle. However, the non-combustion type flavor suction articles of this type tend to give insufficient flavor and taste. Therefore, there may be considered that the method for producing the tobacco sheet is improved for strengthening the flavor and taste.
- Jpn. Pat. Appln. KOKAI Publication No. 56-148275 describes a method for treating tobacco, comprising contacting a tobacco material with water to separate them into an aqueous extract and an insoluble tobacco residue, selectively removing the nitrate ions contained in the aqueous extract, and mixing the denitrified aqueous extract with the insoluble tobacco residue.
- However, this method is intended to reduce vapor components (nitrogen oxides, HCN, and CO) during burning by selectively reducing the nitrate ions, and this method is not used for non-combustion type articles. In addition, the amount of nicotine released during smoking of the cigarette produced by using the treated tobacco is not so different from that of a cigarette produced by using untreated tobacco. Therefore, this method cannot improve the flavor and taste.
- An object of the present invention is to provide a method for producing a non-combustion type tobacco sheet with improved flavor and taste.
- According to an aspect of the present invention, there is provided a method for producing a non-combustion type tobacco sheet, comprising: contacting a tobacco raw material with water to separate them into an aqueous extract and an insoluble tobacco residue; selectively reducing anions contained in the aqueous extract to provide a low-anion liquid; adding an acid to the low-anion liquid to provide a neutralized liquid; and blending pulp to the insoluble tobacco residue to prepare a mixture from which a sheet is made, followed by adding the neutralized liquid to the sheet to provide a tobacco sheet.
- In the present invention, the step of selectively reducing anions contained in the aqueous extract is achieved by, for example, anion exchange.
- In the present invention, the acid added to the low-anion liquid is selected from the group consisting of acetic acid, malic acid, maleic acid, citric acid, and succinic acid.
- Use of the method of the present invention enables to produce a non-combustion type tobacco sheet providing improved flavor and taste.
-
FIG. 1 is a perspective view showing an example of a roll including a non-combustion type tobacco sheet according to one embodiment of the present invention; -
FIG. 2 is an illustration showing the insertion of the roll including the tobacco sheet into a heater of a heating device; -
FIG. 3 is a cross-sectional view of the heating device into which the roll including the tobacco sheet is inserted; and -
FIG. 4 is a perspective view showing the heating device. - Hereinafter, the present invention will be described in more detail with reference to embodiments.
- Japanese burley leaves (burley 21) were prepared as a tobacco raw material. The tobacco raw material was finely cut, and 200 g of the lamina was stirred in 20 times volume of water, and then the mixture was separated into an aqueous extract and an insoluble tobacco residue.
- A weakly basic anion exchange resin (Amberite IRA96SB, manufactured by Rohm and Haas) was charged into an open column with a diameter of 18 mm. The above-described aqueous extract was passed through the column at a flow rate of 5 mL/min to provide a low-anion liquid. The low-anion liquid was concentrated using an evaporator. An acid was added to the concentrated low-anion liquid until the pH reached 5.6 to provide a neutralized liquid. The acid used was nitric acid, malic acid, citric acid, or succinic acid.
- On the other hand, 7 wt % of pulp was blended to the insoluble tobacco residue, and then a sheet was made. Each neutralized liquid was poured back to the sheet which was dried at room temperature for two days to provide a tobacco sheet.
- In this manner, the method of the present invention for producing a tobacco sheet is different from conventional method for producing a tobacco sheet in respect of having additional steps of selectively reducing anions contained in the aqueous extract, and adding an acid to the low-anion liquid to provide a neutralized liquid.
- For comparison, another tobacco sheet was produced in the same manner as the above method, except that the low-anion liquid was not neutralized.
- The tobacco sheet was cut into a piece with a length of 10 mm and a width of 27 mm, and formed into a cylinder with a length of 10 mm and a diameter of 8 mm. As shown in
FIG. 1 , thecylindrical tobacco sheet 21 was brought into contact with acylindrical mouthpiece 30 with a length of 48 mm and a diameter of 8 mm, and a wrappingmaterial 22 having high heat conductivity was wrapped around thetobacco sheet 21 and themouthpiece 30 thereby bonding them together. As the heat-conducting wrappingmaterial 22, an aluminum foil or an aluminum-paper laminate is typically used. The composite of thetobacco sheet 21 and the wrappingmaterial 22 is hereinafter referred to as aroll 20. - As shown in
FIG. 2 , theroll 20 including the tobacco sheet is inserted into aheater 11 having a hollow cylindrical structure in aheating device 10. Theheater 11 is preferably a hollow cylinder made of the same material as the wrapping material 22 (for example, aluminum) of theroll 20 which is covered with an electric resistor. The reason for this is that electrolytic corrosion can undesirably occur if the material of the inner surface of theheater 11 is different from the material of the wrappingmaterial 22. - At least either one of the
roll 20 and theheating device 10 may contain a flavor or flavor carrier. From the viewpoint of storage stability, it is preferable that flavor is carried by a carrier so that the flavor is released by heating. -
FIG. 3 is a cross-sectional view of the heating device into which the roll including the tobacco sheet is inserted. Theheater 11 having a hollow cylindrical structure and fitted in theheating device 10 is heated to a temperature of 80 to 140° C. Theroll 20 including the tobacco sheet is inserted into the hollow part of theheater 11. The suction end of themouthpiece 30 has no filter. The size, shape, and material of themouthpiece 30 are appropriately selected in consideration of holding a cigarette in the mouth. -
FIG. 4 is a perspective view of theheating device 10. As described above, theheating device 10 includes theheater 11 having a hollow cylindrical structure. Theheating device 10 contains acontrol circuit 12, a temperature sensor (not shown), and abattery 13. Examples of the temperature sensor include a thermocouple and a thermistor. Thecontrol circuit 12 is powered by thebattery 13, and perform a feedback control such that the temperature of theheater 11 detected by the temperature sensor ranges from 80 to 140° C. - After the
roll 20 was inserted into theheater 11, theheater 11 was heated to 115° C. in about 10 seconds while controlling the temperature by thecontrol circuit 12. When the user sucks through themouthpiece 30 in the same manner as for a usual cigarette, effective components originated from tobacco leaf giving flavor and taste are taken in as vapor. At that time, smoke and combustion products will not generate from thetobacco sheet 21, so that the user can enjoy the flavor without fear of causing a nuisance to the surroundings. In addition, ash and burning associated with usual cigarettes will not occur, so that the roll after use can be readily collected and disposed of. - It was found that the tobacco sheet produced using a neutralized liquid that had been prepared by neutralizing a low-anion liquid with an acid, provided excellent flavor and taste compared with a tobacco sheet produced using a low-anion liquid that had not been neutralized.
- Subsequently, as described below, nicotine content of the tobacco sheet and pH of the tobacco sheet were measured. The nicotine content of the tobacco sheet was measured as follows: after storage for two days, nicotine remaining in the tobacco sheet was extracted, and the nicotine content was measured by GC/MS. The pH of the tobacco sheet was measured as follows: a piece of tobacco sheet with a length of 10 mm and a width of 27 mm was stored for two days, and then shaken and extracted in 10 mL of 0.4 mol/L KCl aqueous solution, and then the pH was measured with a pH meter. These results are shown in Table 1.
- The results in Table 1 indicate that the tobacco sheet produced by using a low-anion liquid without neutralization treatment had extremely low nicotine content and high pH. The reason for this is considered that nicotine volatilized during the storage. Therefore, it is considered that such high pH and a low nicotine content of the tobacco sheet are causes of not providing good flavor and taste as the non-combustion type flavor suction article.
-
TABLE 1 Anion reduction Acid used for Nicotine content of pH of tobacco treatment neutralization tobacco sheet [mg] sheet [—] Impact Untreated — 1.56 5.5 Slightly weak Treated — 0.13 8.3 Slightly weak Treated Acetic acid 0.25 8.0 Moderate Treated Nitric acid 1.24 6.2 Moderate Treated Sulfuric acid 1.32 6.4 Moderate Treated Hydrochloric acid 1.25 6.1 Slightly strong Treated Malic acid 1.18 5.8 Slightly strong Treated Maleic acid 1.20 5.9 Strong Treated Citric acid 1.15 5.9 Strong Treated Succinic acid 0.98 5.8 Strong
Claims (3)
1. A method for producing a non-combustion type tobacco sheet, comprising:
contacting a tobacco raw material with water to separate them into an aqueous extract and an insoluble tobacco residue;
selectively reducing anions contained in the aqueous extract to provide a low-anion liquid;
adding an acid to the low-anion liquid to provide a neutralized liquid; and
blending pulp to the insoluble tobacco residue to prepare a mixture from which a sheet is made, followed by adding the neutralized liquid to the sheet to provide a tobacco sheet.
2. The method according to claim 1 , wherein the step of selectively reducing anions contained in the aqueous extract is an anion exchange treatment.
3. The method according to claim 1 , wherein the acid added to the low-anion liquid is selected from the group consisting of acetic acid, malic acid, maleic acid, citric acid, and succinic acid.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009070535 | 2009-03-23 | ||
JP2009-070535 | 2009-03-23 | ||
PCT/JP2010/054878 WO2010110227A1 (en) | 2009-03-23 | 2010-03-19 | Process for producing non-combustion type tobacco sheet |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2010/054878 Continuation WO2010110227A1 (en) | 2009-03-23 | 2010-03-19 | Process for producing non-combustion type tobacco sheet |
Publications (1)
Publication Number | Publication Date |
---|---|
US20120006345A1 true US20120006345A1 (en) | 2012-01-12 |
Family
ID=42780922
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/239,710 Abandoned US20120006345A1 (en) | 2009-03-23 | 2011-09-22 | Method for producing non-combustion type tobacco sheet |
Country Status (5)
Country | Link |
---|---|
US (1) | US20120006345A1 (en) |
EP (1) | EP2412255A4 (en) |
JP (1) | JPWO2010110227A1 (en) |
TW (1) | TW201043156A (en) |
WO (1) | WO2010110227A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10624387B2 (en) | 2014-02-26 | 2020-04-21 | Japan Tobacco Inc. | Producing method of tobacco raw material |
US10750774B2 (en) | 2014-02-26 | 2020-08-25 | Japan Tobacco Inc. | Extraction method of flavor constituent and manufacturing method of composition element of favorite item |
US11064726B2 (en) | 2014-02-26 | 2021-07-20 | Japan Tobacco Inc. | Extraction method of flavor constituent and manufacturing method of composition element of favorite item |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
UA111608C2 (en) | 2011-05-31 | 2016-05-25 | Філіп Морріс Продактс С.А. | SMOKES FOR USE IN SMOKING PRODUCTS |
JP2014216287A (en) * | 2013-04-30 | 2014-11-17 | 清水 和彦 | Heater for smokeless smoking jig |
UA119333C2 (en) * | 2013-12-05 | 2019-06-10 | Філіп Морріс Продактс С.А. | Heated aerosol generating article with thermal spreading wrap |
CN104824822B (en) * | 2015-03-13 | 2017-10-10 | 广东中烟工业有限责任公司 | A kind of method for lifting sensory quality of reconstituted tobacco leaves |
CN109602063A (en) * | 2019-02-01 | 2019-04-12 | 江苏中烟工业有限责任公司 | A kind of acid modification agent and its application method in low temperature cigarette reconstituted tobacoo |
TW202128035A (en) * | 2019-10-10 | 2021-08-01 | 日商日本煙草產業股份有限公司 | Tobacco masterbatch for non-burning flavor inhaler and tobacco material containing the same |
CN111772226A (en) * | 2020-08-05 | 2020-10-16 | 四川三联新材料有限公司 | Method for improving comfort of heated cigarettes |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US4301817A (en) * | 1980-03-05 | 1981-11-24 | Philip Morris Incorporated | Method for selective denitration of tobacco |
US5056537A (en) * | 1989-09-29 | 1991-10-15 | R. J. Reynolds Tobacco Company | Cigarette |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3616801A (en) * | 1968-10-28 | 1971-11-02 | Philip Morris Inc | Process for the treatment of tobacco to effect ion removal |
JP4322936B2 (en) * | 1995-04-20 | 2009-09-02 | フィリップ・モーリス・プロダクツ・インコーポレイテッド | Heater for use in smoking equipment |
JP3212271B2 (en) * | 1997-10-09 | 2001-09-25 | 日本たばこ産業株式会社 | Manufacturing method of tobacco flavored articles |
EP1623634B1 (en) * | 2003-05-06 | 2013-06-12 | Japan Tobacco Inc. | Process for producing regenerated tobacco material |
US7337782B2 (en) * | 2004-08-18 | 2008-03-04 | R.J. Reynolds Tobacco Company | Process to remove protein and other biomolecules from tobacco extract or slurry |
EP1825766A1 (en) * | 2004-10-27 | 2007-08-29 | Japan Tobacco, Inc. | Tobacco material having its stimulation/hot flavor at smoking reduced, smoking flavor imparting agent, regenerated tobacco material, process for producing tobacco material, and process for producing smoking flavor imparting agent |
-
2010
- 2010-03-19 JP JP2011506034A patent/JPWO2010110227A1/en active Pending
- 2010-03-19 EP EP10756024.5A patent/EP2412255A4/en not_active Withdrawn
- 2010-03-19 WO PCT/JP2010/054878 patent/WO2010110227A1/en active Application Filing
- 2010-03-22 TW TW099108295A patent/TW201043156A/en unknown
-
2011
- 2011-09-22 US US13/239,710 patent/US20120006345A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4301817A (en) * | 1980-03-05 | 1981-11-24 | Philip Morris Incorporated | Method for selective denitration of tobacco |
US5056537A (en) * | 1989-09-29 | 1991-10-15 | R. J. Reynolds Tobacco Company | Cigarette |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10624387B2 (en) | 2014-02-26 | 2020-04-21 | Japan Tobacco Inc. | Producing method of tobacco raw material |
US10750774B2 (en) | 2014-02-26 | 2020-08-25 | Japan Tobacco Inc. | Extraction method of flavor constituent and manufacturing method of composition element of favorite item |
US11039639B2 (en) | 2014-02-26 | 2021-06-22 | Japan Tobacco Inc. | Producing method of tobacco raw material |
US11064726B2 (en) | 2014-02-26 | 2021-07-20 | Japan Tobacco Inc. | Extraction method of flavor constituent and manufacturing method of composition element of favorite item |
Also Published As
Publication number | Publication date |
---|---|
EP2412255A4 (en) | 2014-01-22 |
WO2010110227A1 (en) | 2010-09-30 |
EP2412255A1 (en) | 2012-02-01 |
TW201043156A (en) | 2010-12-16 |
JPWO2010110227A1 (en) | 2012-09-27 |
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Owner name: JAPAN TOBACCO INC., JAPAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:YAJIMA, MORIO;INAGAKI, MICHIHIRO;ITO, KENJI;REEL/FRAME:026963/0863 Effective date: 20110908 |
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