US3385303A - Reconstituted tobacco product - Google Patents

Reconstituted tobacco product Download PDF

Info

Publication number
US3385303A
US3385303A US557922A US55792266A US3385303A US 3385303 A US3385303 A US 3385303A US 557922 A US557922 A US 557922A US 55792266 A US55792266 A US 55792266A US 3385303 A US3385303 A US 3385303A
Authority
US
United States
Prior art keywords
tobacco
calcium
potassium
acid
group
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.)
Expired - Lifetime
Application number
US557922A
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English (en)
Inventor
John D Hind
George H Burnett
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.)
Philip Morris USA Inc
Original Assignee
Philip Morris USA 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 Philip Morris USA Inc filed Critical Philip Morris USA Inc
Priority to US557922A priority Critical patent/US3385303A/en
Priority to NO168252A priority patent/NO117963B/no
Priority to GB25896/67A priority patent/GB1162274A/en
Priority to ES341490A priority patent/ES341490A1/es
Priority to FI671691A priority patent/FI46586C/fi
Priority to CH847067A priority patent/CH485428A/de
Priority to FR110466A priority patent/FR1527441A/fr
Priority to NL6708412A priority patent/NL6708412A/xx
Priority to SE08558/67A priority patent/SE325503B/xx
Application granted granted Critical
Publication of US3385303A publication Critical patent/US3385303A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco

Definitions

  • the present invention provides a tobacco product which can have substantially the same desirable smoking qualities as bright tobacco leaf.
  • the present invention also permits the manufacture of a tobacco product in such a way that many of the less desirable elements ordinarily delivered into tobacco smoke are decreased or completely eliminated.
  • the invention involves a tailor-made smoking product that contains essentially only those ingredients which result in good burning characteristics and which produce the satisfaction expected from smoking the best grades of tobacco.
  • the invention contemplates preparing a tobacco product from bright tobacco stems, by treating the bright tobacco stems to remove the calcium and magnesium crosslinks from the pectinaceous material contained therein, without deleteriously afiecting the fibrous nature of the cellulose and hemi-cellulose in the tobacco being treated.
  • the invention involves producing from bright tobacco stems or other tobacco sources, a product substantially free of magnesium and calcium cross-links.
  • Said crosslink free product is preferably pressed and ground, at which time it contains substantially all of the cellulose, hemi-cellulose and pectinaceous material which had been originally present in the stems or other tobacco parts being treated.
  • the resulting product or stem pulp is then utilized by forming a slurry of the same with water and introducing into the slurry, organic and inorganic constituents to incorporate the desired tobacco characteristics to the slurry.
  • the resulting slurry is then formed by a conventional casting technique or by other techniques, into a reconstituted product which can be incorporated as the sole tobacco constituent or as a partial tobacco constituent, in a smoking product, for example, a cigarette, a cigar or a pipe tobacco.
  • One method for removing the calcium and magnesium cross-links from the pectinaceous materials found in the 3,385,303 Patented May 28, 1968 tobacco is to wash the tobacco parts, which may be whole stems, shredded or chopped stems, tobacco fines or scraps, or the like, with an aqueous treating solution having a pH of from 0.5 to 3.0, and, preferably, from 1.0 to 2.5.
  • the tobacco parts are first washed with water.
  • the tobacco parts should, preferably, be bright tobacco parts.
  • Other tobacco, however, such as burley tobacco, may be similarly treated and similarly employed.
  • the aqueous treating solution may be made suitably acidic by the addition of an inorganic acid, such as hydrochloric acid, to the water to bring the pH to the desired level.
  • an inorganic acid such as hydrochloric acid
  • the water is preferably passed through an acidic-type ion exchange resin, such as an acid-form sulfate resin. If an acid form sulfate resin is used for such a purpose, it may be necessary to supply small amounts of a chloride, nitrate or similar ion, in order to provide an initial acidity to the water which can be maintained by the acidity of the resin.
  • Other means for bringing the pH to the desired level include the use of any organic or inorganic acid with which a pH of 3 or lower can be obtained.
  • the acid treatment is continued until the removal of the desired amount of calcium and/ or magnesium has been accomplished. This may take from about 10 minutes to 50 hours, depending on the acidity of the solution, the temperature and mechanical capabilities of the apparatus being used.
  • the acid water in the ion exchange column should generally contact the tobacco parts for a period of from about 1 hour to about 8 hours, and, preferably, from about 3 to 4 hours, at a temperature of from about 25 C. to 50 C., and, preferably, 25 C. to 35 C.
  • the water after treating the tobacco can then be recycled to contact more tobacco.
  • the treated stems may then be pressed, or otherwise treated to remove the treating solution, air dried or dried in an oven or the like, and ground to substantially uniform size, generally from about 50 to 200 mesh in size and, preferably, from about to mesh in size, to form a pulp.
  • the resulting pulp may then be admixed with from 10 to 25 parts of water per part of pulp, at a temperature of about 0 C. to about 60 C., preferably from about 20 C. to about 40 C., and the resulting mixture brought to a pH of from about 5 to about 10, preferably from about 7.5 to about 8.6 by the addition of aqueous potassium hydroxide or the like.
  • aqueous potassium hydroxide or the like preferably from about 7.5 to about 8.6
  • Calcium added as a calcium salt, or 'as calcium hydroxide or the like, for example 'Ca(OH) CaClor CaHPO to give the following percentage of calcium (elemental) in the final product
  • Potassium added as a potassium salt, or as potassium hydroxide or the like, for example, KOH K 80 K HPO or KCl, to give the following percentages of potassium (elemental) in the final product
  • a humectant for example, glycerine, triethylene glycol, butylene glycol or propylene glycol (6)
  • a sugar for example, invert sugar, dextrose, fructose, or sucrose 3 Then, the following ingredients may, if desired, be added to give:
  • Nicotine for example, free nicotine, or as a salt, such as the malate, citrate or hydrochloride 1.03.0 (9)
  • ingredients may then be added to modify the taste or smoking qualities of the product.
  • the choice of organic and inorganic constituents to be added to the slurry involves, basically, adding to the slurry the desirable constituents (or their equivalent) which are found in the naturally occuring tobacco leaf.
  • Example 1 The constituents found by chemical analyses to be present in the filler of an all-bright Ito-additive cigarette were added to a base material.
  • the base was 3.92 pounds of ground fiber which had been obtained from bright tobacco stems which had been decalcified by recycling slightly acidic waters over the washed bright tobacco stems and through a column of Dowex acid-form sulfate resin.
  • the ground fibers were dispersed in 75.30 pounds of distilled water and the mixture was brought to a pH of 8.2 by the addition of 1.36 pounds of 17% aqueous potassium hydroxide. This mixture may be called the base mixture or Group I of the ingredients.
  • Group III Pounds Magnesium sulfate heptahydrate 0.20 Potassium chloride 0.30 Potassium sulfate 0.02 Dibasic potassium phosphate 0.14 Citric acid monohydrate 0.07 tMflllC acid 0.06 Water 6.74
  • This preparation which made 100 pounds of slurry with a solids content of 7%, and a pH of 5.2, was passed through a homogenizer and then cast on an endless steel casting belt.
  • the cast sheet was partially dried with elec tric heaters, removed from the belt when it had about a 20% moisture content, and dried further to about moisture.
  • the resulting sheet weighed about 8.8 g./sq. ft. It was shredded without difficulty into cigarette filler and cigarettes were made from it in a conventional man- 4 ner. The sheet and the shredded filler handled very well during the various processing steps.
  • RTD resistance-to-draw
  • the cigarettes weighed 1.14 grams each.
  • Ninety-nine cigarettes were made from four ounces of filler.
  • the cigarettes were smoked on a constant volume smoking machine which takes a 35 ml. puff of two seconds duration once in 60 seconds. The smoke was trapped on a Cambridge filter pad which retains particles larger than 0.3 micron. The filter assembly was weighed before and after smoking four cigarettes to determine the amount of total particulate matter (TPM) collected.
  • TPM total particulate matter
  • the puff count was determined by smoking four cigarettes, counting the number of puffs it took for the char line to reach the 30 mm. mark on the cigarettes, and then by taking the advantage of the number of puffs as the count for the individual cigarettes.
  • the puff count was 5.5.
  • the static burning rate which was measured by determining the time required to burn 40 mm. of tobacco rod statically, was 6.6 minutes.
  • Example 2 The ingredients, as in Example 1, were combined in the same manner as in Example 1, except that 0.14 pound of citric acid monohydrate (twice the amount used in the formulated material described in Example 1) was used. The final slurry was adjusted to pH 5.2 by adding 17% aqueous potassium hydroxide as required. A sheet was cast, dried and shredded very successfully. Cigarettes prepared from this filler had much the same physical and burning characteristics as the material formulated in Example 1, as is shown in the accompanying table.
  • a panel of five expert smokers compared these cigarettes with the cigarettes prepared in Example 1. They found the test cigarette to be less harsh than the cigarette of Example 1, to have more total flavor, and to be preferred over the cigarettes of Example 1 by four of the panelists (one had no preference).
  • Example 3 Ingredients as specified for Example 1 were used in this Example, except that citric acid was omitted. The pH of the slurry was consequently high, 8.2. Procedures for homogenizing, casting, drying and shredding were unchanged from Example 1. Cigarette characteristics were similar to those of Example 1. Analysis of the sheet (see the tables which follow) showed absence of citric acid as well as a lower malic acid level. A panel of five expert smokers did not find these cigarettes significantly different from the cigarettes of Example 1.
  • the resulting slurry weighed 100 pounds and had a pH of 6.0. It was processed into sheet and shredded as before. The sheet had a high calcium content and very r ent Methyl furan Pe low potassium. Cigarettes failed to continue burning un- Methyl chloride 21 der static conditions, and this altered certain smoking Acetaldehyde 39 characteristics as shown in the following tables (more Acetylene 20 puffs, higher total delivery).
  • Example 4 Ground tobacco fibers (3.92 pounds) from bright to- Ingredients and mode of combining them were the bacco stems were washed with water which was recycled same as in Example 1, except that no invert surgar was through a column of Dowex acid-form sulfate resin and added. Sheet was cast, dried and shredded as before. were dispersed in 75.92 pounds of distilled water.
  • This Low sugar meant a high ash content in the sheet, and the mixture was brought to a pH of 8.2 adding 0.14 pound change in the sheet produced a light, fast-burning cigaof concentrated aqueous ammonium hydroxide, 0.75 rette with consequent low puff count and low delivery of pound of aqueous nicotine, and 0.20 pound of both nicotine and particulates.
  • calcium hydroxide slurried in 1.00 pound of distilled The results of the various evaluations performed in water. Examples 1-5 are set forth below in Tables I and II.
  • a smoking tobacco product comprising from 5.0 to 90.0% by weight of a fibrous tobacco material containing tobacco pectins having substantially no calcium and magnesium cross-links; a calcium compound selected from the group consisting of calcium hydroxide, calcium chloride and calcium acid phosphate in an amount sufficient to provide from 2.0 to 3.0% by weight of elemental calcium; a potassium compound selected from the group consisting of potassium hydroxide, potassium sulfate, potassium acid phosphate and potassium chloride in an amount sufiicient to provide from 0.19 to 5.0% by weight of elemental potassium; from 5.0 to 20.0% of malic acid or a salt thereof; from 0.75 to 10.0% of citric acid or a salt thereof; from 1.0 to 6.0% of a humectant and from 5.0 to 20.0% of a sugar.
  • humectant is selected from a group consisting of glycerine, triethylene glycol, butylene glycol and propylene glycol.
  • a smoking tobacco product comprising from 5.0 to 90.0% by weight of the fibrous tobacco material containing tobacco pectins having substantially no calcium and magnesium. cross-links; a calcium compound selected from the group consisting of calcium hydroxide, calcium. chloride and calcium acid phosphate in suflicient amount to provide from 2.0 to 3.0% by weight of elemental calcium; a potassium compound selected from the group consisting of potassium hydroxide, potassium sulfate, potassium acid phosphate and potassium chloride in suflicient amount to provide from 0.19 to 5.0% by weight of elemental potassium; from 5.0 to 20.0% of malic acid or a salt thereof; from 0.75 to 10.0% by weight of citric acid or a salt thereof; from 1.0 to 6.0% by weight of a humectant selected from the group consisting of glycerine, triethylene glycol, butylene glycol, propylene glycol; from 5 .0 to 20.0% by Weight of a sugar selected from the group consisting of invert sugar, dextrose, fructo
  • a smoking tobacco product comprising from 5.0 to 90.0% by weight of a fibrous tobacco material containing tobacco pectins having substantially no calcium and magnesium cross-links, a calcium compound selected from the group consisting of calcium hydroxide, calcium chloride and calcium acid phosphate in an amount sufi'icient to provide from 2.0 to 3.0% by weight of elemental ca]- cium; a potassium compound selected from the group consisting of potassium hydroxide, potassium sulfate, potassium acid phosphate and potassium chloride, in an amount sufiicient to provide from 0.1 to 5.0% by weight of elemental potassium; from 5.0 to 20.0% by weight of malic acid or a salt thereof, from 0.75 to 10.0% by weight of citric acid or salt thereof, from 1.0 to 6.0% by weight of a humectant selected from the group consisting of glycerine, triethylene glycol, butylene glycol and propylene glycol, and from 5.0 to 20.0% by weight of a sugar selected from the group consisting of invert

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Tobacco Products (AREA)
US557922A 1966-06-16 1966-06-16 Reconstituted tobacco product Expired - Lifetime US3385303A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
US557922A US3385303A (en) 1966-06-16 1966-06-16 Reconstituted tobacco product
NO168252A NO117963B (enrdf_load_stackoverflow) 1966-06-16 1967-05-23
GB25896/67A GB1162274A (en) 1966-06-16 1967-06-05 Tobacco Product and Method of producing the same
ES341490A ES341490A1 (es) 1966-06-16 1967-06-07 Mejoras introducidas en la preparacion de productos de ta- baco.
FI671691A FI46586C (fi) 1966-06-16 1967-06-15 Tupakkatuote.
CH847067A CH485428A (de) 1966-06-16 1967-06-15 Tabakprodukt
FR110466A FR1527441A (fr) 1966-06-16 1967-06-15 Nouveau produit à base de tabac
NL6708412A NL6708412A (enrdf_load_stackoverflow) 1966-06-16 1967-06-16
SE08558/67A SE325503B (enrdf_load_stackoverflow) 1966-06-16 1967-06-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US557922A US3385303A (en) 1966-06-16 1966-06-16 Reconstituted tobacco product

Publications (1)

Publication Number Publication Date
US3385303A true US3385303A (en) 1968-05-28

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Application Number Title Priority Date Filing Date
US557922A Expired - Lifetime US3385303A (en) 1966-06-16 1966-06-16 Reconstituted tobacco product

Country Status (8)

Country Link
US (1) US3385303A (enrdf_load_stackoverflow)
CH (1) CH485428A (enrdf_load_stackoverflow)
ES (1) ES341490A1 (enrdf_load_stackoverflow)
FI (1) FI46586C (enrdf_load_stackoverflow)
GB (1) GB1162274A (enrdf_load_stackoverflow)
NL (1) NL6708412A (enrdf_load_stackoverflow)
NO (1) NO117963B (enrdf_load_stackoverflow)
SE (1) SE325503B (enrdf_load_stackoverflow)

Cited By (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3874390A (en) * 1972-02-10 1975-04-01 Bayer Ag Smokable products based on carbonized filler-containing cellulose films
US3878850A (en) * 1971-09-08 1975-04-22 Ici Ltd Smoking mixture
US3951155A (en) * 1970-07-11 1976-04-20 Carreras Rothmans Limited Smoking materials
US4005718A (en) * 1970-07-11 1977-02-01 Carreras Rothmans Limited Smoking materials
EP0162671A3 (en) * 1984-05-25 1987-11-11 Philip Morris Incorporated Cohesive tobacco composition
US5152304A (en) * 1989-10-31 1992-10-06 Philip Morris Incorporated Wrapper for a smoking article
US5249588A (en) * 1989-03-31 1993-10-05 British-American Tobacco Company Limited Smoking articles
US5325877A (en) * 1993-07-23 1994-07-05 R. J. Reynolds Tobacco Company Tobacco reconstitution process
US5327917A (en) * 1990-08-15 1994-07-12 R. J. Reynolds Tobacco Company Method for providing a reconstituted tobacco material
US5339838A (en) * 1992-08-17 1994-08-23 R. J. Reynolds Tobacco Company Method for providing a reconstituted tobacco material
US5533530A (en) * 1994-09-01 1996-07-09 R. J. Reynolds Tobacco Company Tobacco reconstitution process
RU2353236C1 (ru) * 2008-05-20 2009-04-27 Олег Иванович Квасенков Способ получения восстановленного табака
RU2353253C1 (ru) * 2008-05-20 2009-04-27 Олег Иванович Квасенков Способ выработки восстановленного табака
RU2353249C1 (ru) * 2008-05-20 2009-04-27 Олег Иванович Квасенков Способ выработки восстановленного табака
RU2353246C1 (ru) * 2008-05-20 2009-04-27 Олег Иванович Квасенков Способ выработки восстановленного табака
RU2353251C1 (ru) * 2008-05-20 2009-04-27 Олег Иванович Квасенков Способ выработки восстановленного табака
RU2353254C1 (ru) * 2008-05-20 2009-04-27 Олег Иванович Квасенков Способ выработки восстановленного табака
RU2354237C1 (ru) * 2008-05-29 2009-05-10 Олег Иванович Квасенков Способ выработки восстановленного табака
RU2354236C1 (ru) * 2008-05-26 2009-05-10 Олег Иванович Квасенков Способ производства восстановленного табака
RU2354235C1 (ru) * 2008-05-26 2009-05-10 Олег Иванович Квасенков Способ производства восстановленного табака
CN104489915A (zh) * 2014-11-20 2015-04-08 湖北中烟工业有限责任公司 一种白肋烟叶碎片处理剂及使用方法
US9717278B2 (en) 2004-04-14 2017-08-01 Fontem Holdings 1 B.V. Electronic cigarette
WO2018122097A1 (en) * 2016-12-30 2018-07-05 Philip Morris Products S.A. Method of making a nicotine containing sheet
US10219548B2 (en) 2006-10-18 2019-03-05 Rai Strategic Holdings, Inc. Tobacco-containing smoking article
US10300225B2 (en) 2010-05-15 2019-05-28 Rai Strategic Holdings, Inc. Atomizer for a personal vaporizing unit
US10349684B2 (en) 2015-09-15 2019-07-16 Rai Strategic Holdings, Inc. Reservoir for aerosol delivery devices
CN110035668A (zh) * 2016-12-30 2019-07-19 菲利普莫里斯生产公司 含有尼古丁的薄片
CN110035669A (zh) * 2016-12-30 2019-07-19 菲利普莫里斯生产公司 含尼古丁和纤维素的片材
CN110062586A (zh) * 2016-12-30 2019-07-26 菲利普莫里斯生产公司 含尼古丁和粘合剂的片材
US10492542B1 (en) 2011-08-09 2019-12-03 Rai Strategic Holdings, Inc. Smoking articles and use thereof for yielding inhalation materials
WO2020002583A1 (en) * 2018-06-29 2020-01-02 Nerudia Limited A method for manufacturing reconstituted plant material
CN111329096A (zh) * 2020-03-23 2020-06-26 上海烟草集团有限责任公司 一种提高烟梗保润性能的方法
US11344683B2 (en) 2010-05-15 2022-05-31 Rai Strategic Holdings, Inc. Vaporizer related systems, methods, and apparatus
US11659868B2 (en) 2014-02-28 2023-05-30 Rai Strategic Holdings, Inc. Control body for an electronic smoking article

Families Citing this family (6)

* Cited by examiner, † Cited by third party
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US4589428A (en) * 1980-02-21 1986-05-20 Philip Morris Incorporated Tobacco treatment
RU2352226C1 (ru) * 2008-05-15 2009-04-20 Олег Иванович Квасенков Способ производства восстановленного табака
RU2352224C1 (ru) * 2008-05-15 2009-04-20 Олег Иванович Квасенков Способ производства восстановленного табака
RU2353259C1 (ru) * 2008-05-20 2009-04-27 Олег Иванович Квасенков Способ получения восстановленного табака
WO2019129861A1 (en) * 2017-12-29 2019-07-04 Philip Morris Products S.A. Method for the preparation of a sheet including a homogenized material containing alkaloids and aerosol forming article comprising a component prepared from it
WO2020089095A1 (en) * 2018-10-29 2020-05-07 Nerudia Limited Smoking substitute consumable

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US3121433A (en) * 1961-08-08 1964-02-18 American Mach & Foundry Manufacture of smoking products

Cited By (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3951155A (en) * 1970-07-11 1976-04-20 Carreras Rothmans Limited Smoking materials
US4005718A (en) * 1970-07-11 1977-02-01 Carreras Rothmans Limited Smoking materials
US3878850A (en) * 1971-09-08 1975-04-22 Ici Ltd Smoking mixture
US3874390A (en) * 1972-02-10 1975-04-01 Bayer Ag Smokable products based on carbonized filler-containing cellulose films
EP0162671A3 (en) * 1984-05-25 1987-11-11 Philip Morris Incorporated Cohesive tobacco composition
US5249588A (en) * 1989-03-31 1993-10-05 British-American Tobacco Company Limited Smoking articles
US5152304A (en) * 1989-10-31 1992-10-06 Philip Morris Incorporated Wrapper for a smoking article
US5327917A (en) * 1990-08-15 1994-07-12 R. J. Reynolds Tobacco Company Method for providing a reconstituted tobacco material
US5339838A (en) * 1992-08-17 1994-08-23 R. J. Reynolds Tobacco Company Method for providing a reconstituted tobacco material
US5325877A (en) * 1993-07-23 1994-07-05 R. J. Reynolds Tobacco Company Tobacco reconstitution process
US5533530A (en) * 1994-09-01 1996-07-09 R. J. Reynolds Tobacco Company Tobacco reconstitution process
US5715844A (en) * 1994-09-01 1998-02-10 R. J. Reynolds Tobacco Company Tobacco reconstitution process
US12138386B2 (en) 2004-04-14 2024-11-12 Fontem Ventures B.V. Electronic cigarette
US10349682B2 (en) 2004-04-14 2019-07-16 Fontem Holdings 1 B.V. Electronic cigarette
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US11013870B2 (en) 2004-04-14 2021-05-25 Fontem Holdings 1 B.V. Electronic cigarette
US11065404B2 (en) 2004-04-14 2021-07-20 Fontem Holdings 1 B.V. Electronic cigarette
US10238144B2 (en) 2004-04-14 2019-03-26 Fontem Holdings 1 B.V. Electronic cigarette
US10701982B2 (en) 2004-04-14 2020-07-07 Fontem Holdings 1 B.V. Electronic cigarette
US10085489B2 (en) 2004-04-14 2018-10-02 Fontem Holdings 1 B.V. Electronic cigarette
US10045564B2 (en) 2004-04-14 2018-08-14 Fontem Holdings 1 B.V. Electronic cigarette
US9717278B2 (en) 2004-04-14 2017-08-01 Fontem Holdings 1 B.V. Electronic cigarette
US11805806B2 (en) 2006-10-18 2023-11-07 Rai Strategic Holdings, Inc. Tobacco-containing smoking article
US11641871B2 (en) 2006-10-18 2023-05-09 Rai Strategic Holdings, Inc. Tobacco-containing smoking article
US11785978B2 (en) 2006-10-18 2023-10-17 Rai Strategic Holdings, Inc. Tobacco-containing smoking article
US11986009B2 (en) 2006-10-18 2024-05-21 Rai Strategic Holdings, Inc. Tobacco-containing smoking article
US10219548B2 (en) 2006-10-18 2019-03-05 Rai Strategic Holdings, Inc. Tobacco-containing smoking article
US10226079B2 (en) 2006-10-18 2019-03-12 Rai Strategic Holdings, Inc. Tobacco-containing smoking article
US10231488B2 (en) 2006-10-18 2019-03-19 Rai Strategic Holdings, Inc. Tobacco-containing smoking article
US11647781B2 (en) 2006-10-18 2023-05-16 Rai Strategic Holdings, Inc. Tobacco-containing smoking article
US11925202B2 (en) 2006-10-18 2024-03-12 Rai Strategic Holdings, Inc. Tobacco-containing smoking article
US11758936B2 (en) 2006-10-18 2023-09-19 Rai Strategic Holdings, Inc. Tobacco-containing smoking article
US11980220B2 (en) 2006-10-18 2024-05-14 Rai Strategic Holdings, Inc. Tobacco-containing smoking article
RU2353253C1 (ru) * 2008-05-20 2009-04-27 Олег Иванович Квасенков Способ выработки восстановленного табака
RU2353254C1 (ru) * 2008-05-20 2009-04-27 Олег Иванович Квасенков Способ выработки восстановленного табака
RU2353236C1 (ru) * 2008-05-20 2009-04-27 Олег Иванович Квасенков Способ получения восстановленного табака
RU2353251C1 (ru) * 2008-05-20 2009-04-27 Олег Иванович Квасенков Способ выработки восстановленного табака
RU2353246C1 (ru) * 2008-05-20 2009-04-27 Олег Иванович Квасенков Способ выработки восстановленного табака
RU2353249C1 (ru) * 2008-05-20 2009-04-27 Олег Иванович Квасенков Способ выработки восстановленного табака
RU2354235C1 (ru) * 2008-05-26 2009-05-10 Олег Иванович Квасенков Способ производства восстановленного табака
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SE325503B (enrdf_load_stackoverflow) 1970-06-29
NL6708412A (enrdf_load_stackoverflow) 1967-12-18
CH485428A (de) 1970-02-15
FI46586C (fi) 1973-05-08
FI46586B (enrdf_load_stackoverflow) 1973-01-31
ES341490A1 (es) 1968-07-01
NO117963B (enrdf_load_stackoverflow) 1969-10-13
GB1162274A (en) 1969-08-20

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