US3847164A - Method of making reconstituted tobacco having reduced nitrates - Google Patents

Method of making reconstituted tobacco having reduced nitrates Download PDF

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Publication number
US3847164A
US3847164A US00405383A US40538373A US3847164A US 3847164 A US3847164 A US 3847164A US 00405383 A US00405383 A US 00405383A US 40538373 A US40538373 A US 40538373A US 3847164 A US3847164 A US 3847164A
Authority
US
United States
Prior art keywords
tobacco
extract
resin
denitrated
midribs
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
US00405383A
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English (en)
Inventor
C Mattina
W Selke
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.)
Kimberly Clark Corp
Original Assignee
Kimberly Clark Corp
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 Kimberly Clark Corp filed Critical Kimberly Clark Corp
Priority to US00405383A priority Critical patent/US3847164A/en
Priority to CA205,949A priority patent/CA1001039A/en
Priority to GB3391674A priority patent/GB1455349A/en
Priority to ZA00745020A priority patent/ZA745020B/xx
Priority to IE1699/74A priority patent/IE40439B1/xx
Priority to BR7211/74A priority patent/BR7407211D0/pt
Priority to DE2441719A priority patent/DE2441719A1/de
Priority to ES429718A priority patent/ES429718A1/es
Priority to CH1238274A priority patent/CH590620A5/xx
Priority to BE149022A priority patent/BE820483A/xx
Priority to JP49112689A priority patent/JPS5064500A/ja
Priority to FR7433963A priority patent/FR2247169B1/fr
Priority to DK530974A priority patent/DK530974A/da
Priority to SE7412765A priority patent/SE7412765L/xx
Priority to NL7413440A priority patent/NL7413440A/xx
Application granted granted Critical
Publication of US3847164A publication Critical patent/US3847164A/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
    • A24B15/18—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
    • 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
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances

Definitions

  • Reconstituted tobacco as such is well known.
  • One way of producing reconstituted tobacco is to extract the soluble ingredients of natural tobacco, which preferably has been macerated or comminuted in preparation for extraction. The extraction is performed by use of water, and generally withdraws from 30 percent to 55 percent by weight of the starting material. An aqueous slurry is then formed containing the fibers, an by usual papermaking techniques, the slurry with or without additives is transformed into a selfsustaining web. The tobacco extract, which may be concentrated to a liquor, is then introduced into the web. The application of the extracted tobacco material may be achieved in any appropriate manner, as by spraying, saturating, or otherwise.
  • the extract is contacted with a resin which selectively removes ionic components.
  • the invention has particular value in connection with reconstituted tobacco made from appreciable proportions of burley tobacco midribs since these contain substantial amounts of potassium nitrate.
  • the invention is not limited to use with any specific type of tobacco.
  • the retardation llA8 resin bead consists of Dowex l, a cross-linked styrenedivinylbenzene polymer lattice having attached quaternary animonium groups, interwoven with polymerized acrylic acid. The structure follows:
  • a typical procedure according to the invention involves extracting tobacco with water and then concentrating the extract so that it has a dry solids content of between one and 40 percent, and preferably about 10 percent.
  • the concentrated extract is filtered or centifuged to remove suspended insoluble matter.
  • Any suitable technique such as those discussed in the aforementioned patent, may then be used to remove potassium nitrate using the resin described above.
  • the AG l1A8 resin may be arranged in a column and the aqueous tobacco extract passed through the column.
  • a series of mixed contactors in which the resin is stirred with the extract, could be employed.
  • a continuous contactor providing a moving bed of resin, as developed for continuous ion exchange, could also be employed.
  • the denitrated extract may then be concentrated and used as is, or it may be mixed with other extract liquors to achieve a desired blend.
  • natural tobacco may be blended in desired proportions before extraction and the extract obtained from the blend passed over the resin column to remove nitrates.
  • EXAMPLE I I EXAMPLE lll Burley tobacco midribs were extracted with water The procedure of Example 2 was followed except and the fibrous residue was formed into a paper-like hat the liquor had the following proportions: sheet by ordinary papermaking techniques.
  • the extract 5 50 percent burley midrib was concentrated, and passed through a column of AG l percent flue-cured midrib l 1A8 to effect removal of potassium nitrate from the 40 percent flud-cured dust The test results were as extract. The denitrated extract was then applied to the 0 follpws:
  • Nitric Oxide Methyl Nitrite Free Burn (Micrograms per (micrograms per Sample (minutes/4O mm) cigarette) cigarette) Control 5,5 650 360 Denitrated 6.6 85 25 sheet by means of a size press. As a control, reconsti- V tuted tobacco was made exactly as described above, ex-
  • Nitric Oxide Methyl Nitrite Free Burn (micrograms per (micrograms per Sample (minutes/40 mm) cigarette) cigarette) Control 6.2 300 i 215 Denitrated 7.7 25 15 This liquor was blended with tobacco liquors prepared The test results of these examples show that cigaconventionally from flue-cured tobacco midrib and rettes made with reconstituted tobacco containing exflue-cured tobacco dust to give a liquor with the followtract material which has been denitrated according to ing proportions: this invention burn more slowly than otherwise identi- 30 percent burley midrib cal cigarettes, and contain less of the compounds which 30 percent flue cured midrib otherwise occur due to the presence of potassium ni- 40 percent flue-cured dust trate in the tobacco.
  • the panel preferred the cigarette including the denitrated tobacco because the smoke was less acrid and more flavorful.
  • a method of making reconstituted tobacco comprising the steps of:
  • a method as defined in claim 1 wherein the natural tobacco which is extracted is a blend of different types of tobaccos, one of the types being burley tobacco midribs.

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)
  • Manufacture Of Tobacco Products (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
US00405383A 1973-10-11 1973-10-11 Method of making reconstituted tobacco having reduced nitrates Expired - Lifetime US3847164A (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
US00405383A US3847164A (en) 1973-10-11 1973-10-11 Method of making reconstituted tobacco having reduced nitrates
CA205,949A CA1001039A (en) 1973-10-11 1974-07-30 Method of making reconstituted tobacco having reduced nitrates
GB3391674A GB1455349A (en) 1973-10-11 1974-08-01 Method of making reconstituted tobacco having reduced nitrates
ZA00745020A ZA745020B (en) 1973-10-11 1974-08-06 Method of making reconstituted tobacco having reduced nitrites
IE1699/74A IE40439B1 (en) 1973-10-11 1974-08-13 Method of making reconstituted tobacco having reduced nitrate
BR7211/74A BR7407211D0 (pt) 1973-10-11 1974-08-29 Processo para a producao de tabaco reconstituido
DE2441719A DE2441719A1 (de) 1973-10-11 1974-08-30 Verfahren zur aufbereitung von tabak
ES429718A ES429718A1 (es) 1973-10-11 1974-09-02 Un metodo para fabricar tabaco reconstituido.
CH1238274A CH590620A5 (cs) 1973-10-11 1974-09-11
BE149022A BE820483A (fr) 1973-10-11 1974-09-27 Procede de fabrication de tabac reconstitue a moindre teneur ennitrates
JP49112689A JPS5064500A (cs) 1973-10-11 1974-09-30
FR7433963A FR2247169B1 (cs) 1973-10-11 1974-10-09
DK530974A DK530974A (cs) 1973-10-11 1974-10-10
SE7412765A SE7412765L (cs) 1973-10-11 1974-10-10
NL7413440A NL7413440A (nl) 1973-10-11 1974-10-11 Werkwijze voor de bereiding van gereconstrueer- bak met een laag nitraatgehalte.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00405383A US3847164A (en) 1973-10-11 1973-10-11 Method of making reconstituted tobacco having reduced nitrates

Publications (1)

Publication Number Publication Date
US3847164A true US3847164A (en) 1974-11-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
US00405383A Expired - Lifetime US3847164A (en) 1973-10-11 1973-10-11 Method of making reconstituted tobacco having reduced nitrates

Country Status (15)

Country Link
US (1) US3847164A (cs)
JP (1) JPS5064500A (cs)
BE (1) BE820483A (cs)
BR (1) BR7407211D0 (cs)
CA (1) CA1001039A (cs)
CH (1) CH590620A5 (cs)
DE (1) DE2441719A1 (cs)
DK (1) DK530974A (cs)
ES (1) ES429718A1 (cs)
FR (1) FR2247169B1 (cs)
GB (1) GB1455349A (cs)
IE (1) IE40439B1 (cs)
NL (1) NL7413440A (cs)
SE (1) SE7412765L (cs)
ZA (1) ZA745020B (cs)

Cited By (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2370443A1 (fr) * 1976-11-12 1978-06-09 Philip Morris Inc Procede et appareil pour l'extraction du nitrate de potassium du tabac
US4131117A (en) * 1976-12-21 1978-12-26 Philip Morris Incorporated Method for removal of potassium nitrate from tobacco extracts
US4131118A (en) * 1976-11-12 1978-12-26 Philip Morris Incorporated Method for removal of potassium nitrate from tobacco extracts
WO1981002379A1 (en) * 1980-02-21 1981-09-03 Philip Morris Inc Tobacco treatment
EP0035052A1 (en) * 1980-03-05 1981-09-09 Philip Morris Incorporated Method of treating tobacco extracts employing electrodialysis
EP0035273A1 (en) * 1980-03-05 1981-09-09 Philip Morris Incorporated Method for selective denitration of tobacco
US4302308A (en) * 1980-03-05 1981-11-24 Philip Morris, Inc. Method for electrolytic denitration of tobacco
US4308877A (en) * 1978-03-06 1982-01-05 Kimberly-Clark Corporation Method of making reconstituted tobacco having reduced nitrates
US4364401A (en) * 1980-03-05 1982-12-21 Philip Morris Incorporated Method for selective denitration of tobacco
US4448208A (en) * 1981-01-21 1984-05-15 Philip Morris Incorporated Tobacco extractor
EP0081231A3 (en) * 1981-12-07 1985-06-19 Adam Dr. Muller Pure aromatic tobacco oil, process for its production from a tobacco extract and its application
US4556073A (en) * 1978-06-15 1985-12-03 Brown & Williamson Tobacco Corporation Process for reduction of nitrate content of tobacco by microbial treatment
US4557280A (en) * 1978-06-15 1985-12-10 Brown & Williamson Tobacco Corporation Process for reduction of nitrate and nicotine content of tobacco by microbial treatment
US4566469A (en) * 1978-04-25 1986-01-28 Philip Morris Incorporated Process for dissimilatory denitrification of tobacco materials
US4572219A (en) * 1979-01-19 1986-02-25 Fabriques De Tabac Reunies S.A. Process for improving tobacco
US4685478A (en) * 1981-10-01 1987-08-11 Philip Morris Incorporated Thermophilic denitrification of tobacco
US4709710A (en) * 1978-09-05 1987-12-01 Fabriques De Tabac Reunies S.A. Process for improving tobacco
US4962774A (en) * 1988-11-16 1990-10-16 R. J. Reynolds Tobacco Company Tobacco reconstitution process
US4987906A (en) * 1989-09-13 1991-01-29 R. J. Reynolds Tobacco Company Tobacco reconstitution process
US5143097A (en) * 1991-01-28 1992-09-01 R. J. Reynolds Tobacco Company Tobacco reconstitution process
US5159942A (en) * 1991-06-04 1992-11-03 R. J. Reynolds Tobacco Company Process for providing smokable material for a cigarette
US5230354A (en) * 1991-09-03 1993-07-27 R. J. Reynolds Tobacco Company Tobacco processing
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
US5377698A (en) * 1993-04-30 1995-01-03 Brown & Williamson Tobacco Corporation Reconstituted tobacco product
US5501237A (en) * 1991-09-30 1996-03-26 R. J. Reynolds Tobacco Company Tobacco reconstitution process
US5533530A (en) * 1994-09-01 1996-07-09 R. J. Reynolds Tobacco Company Tobacco reconstitution process
US5810020A (en) * 1993-09-07 1998-09-22 Osmotek, Inc. Process for removing nitrogen-containing anions and tobacco-specific nitrosamines from tobacco products
US6679270B2 (en) 2000-10-05 2004-01-20 Nicolas Baskevitch Reduction of nitrosamines in tobacco and tobacco products
US20040255965A1 (en) * 2003-06-17 2004-12-23 R. J. Reynolds Tobacco Company Reconstituted tobaccos containing additive materials
US20050005947A1 (en) * 2003-07-11 2005-01-13 Schweitzer-Mauduit International, Inc. Smoking articles having reduced carbon monoxide delivery
US20050217447A1 (en) * 2004-03-31 2005-10-06 R. J. Reynolds Tobacco Company Slitter device with adjustable blade
US20050263161A1 (en) * 2004-05-27 2005-12-01 Brown & Williamson Tobacco Corporation Tobacco filler of low nitrogen content
US20060162733A1 (en) * 2004-12-01 2006-07-27 Philip Morris Usa Inc. Process of reducing generation of benzo[a]pyrene during smoking
US20080178894A1 (en) * 2007-01-26 2008-07-31 Philip Morris Usa Inc. Methods and apparatus for the selective removal of constituents from aqueous tobacco extracts
US20090025739A1 (en) * 2007-07-23 2009-01-29 R. J. Reynolds Tobacco Company Smokeless Tobacco Composition
US20090025738A1 (en) * 2007-07-23 2009-01-29 R. J. Reynolds Tobacco Company Smokeless Tobacco Composition
US20100037903A1 (en) * 2008-08-14 2010-02-18 R. J. Reynolds Tobacco Company Method for Preparing Flavorful and Aromatic Compounds
EP2179666A2 (en) 2007-07-23 2010-04-28 R.J.Reynolds Tobacco Company Smokeless Tobacco Compositions And Methods For Treating Tobacco For Use Therein
WO2010141278A1 (en) 2009-06-02 2010-12-09 R.J. Reynolds Tobacco Company Thermal treatment process for tobacco materials
US20110100383A1 (en) * 2009-10-29 2011-05-05 R.J. Reynolds Tobacco Company Sheet material cutting apparatus, and associated method
WO2011081725A1 (en) 2009-12-15 2011-07-07 R. J. Reynolds Tobacco Company Tobacco product and method for manufacture
WO2012021683A2 (en) 2010-08-12 2012-02-16 R. J. Reynolds Tobacco Company Thermal treatment process for tobacco materials
US8151806B2 (en) 2005-02-07 2012-04-10 Schweitzer-Mauduit International, Inc. Smoking articles having reduced analyte levels and process for making same
WO2012170761A1 (en) 2011-06-10 2012-12-13 Schweitzer-Mauduit International, Inc. Tobacco material containing non-isometric calcium carbonate microparticles
WO2013158957A1 (en) 2012-04-19 2013-10-24 R. J. Reynolds Tobacco Company Method for producing microcrystalline cellulose from tobacco and related tobacco product
WO2013170028A1 (en) 2012-05-09 2013-11-14 Lanig Le Bec Tobacco product that produces lower carbon monoxide to tar ratio
WO2014134254A1 (en) 2013-02-28 2014-09-04 Schweitzer-Mauduit International, Inc. Composition for making a tea beverage or herbal and vegetable broths
WO2014140346A1 (en) 2013-03-15 2014-09-18 Philip Morris Products S.A Methods for reducing one or more tobacco specific nitrosamines in tobacco material
WO2014141201A2 (en) 2013-03-15 2014-09-18 Fall Safall Method of reducing tobacco-specific nitrosamines
US8869805B2 (en) 2006-06-01 2014-10-28 Schweitzer-Mauduit International, Inc. Free air burning smoking articles with reduced ignition proclivity characteristics
WO2014207704A2 (en) 2013-06-26 2014-12-31 Pan Jiayi Filter media
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WO2015024908A1 (en) * 2013-08-20 2015-02-26 Schweitzer-Mauduit International, Inc. Product comprising a plant for medicinal, cosmetic, coloring or dermatologic use
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WO2015144893A1 (en) * 2014-03-28 2015-10-01 SWM Luxembourg s.a.r.l. Reconstituted plant material and its use for packaging, wrapping and food appliances
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US9950858B2 (en) 2015-01-16 2018-04-24 R.J. Reynolds Tobacco Company Tobacco-derived cellulose material and products formed thereof
US10111458B1 (en) 2014-05-16 2018-10-30 R.J. Reynolds Tobacco Company Process for inhibiting formation of nitrosamines
US10178872B2 (en) 2010-10-29 2019-01-15 Schweitzer-Manduit International, Inc. Method for producing articles of plant origin impregnated with a liquid plant substance
US10751282B2 (en) 2013-08-02 2020-08-25 Schweitzer-Mauduit International, Inc. Edible product comprising reconstituted plant material
US11035079B2 (en) 2016-04-05 2021-06-15 Schweitzer-Mauduit International, Inc. Vegetable paper comprising fibres of a plant
CN113514583A (zh) * 2021-07-09 2021-10-19 河南卷烟工业烟草薄片有限公司 一种表征再造烟叶浆料新鲜度的方法
US11484497B2 (en) 2013-02-28 2022-11-01 Schweitzer-Mauduit International, Inc. Composition for making a tea beverage or herbal and vegetable broths
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WO2023187675A1 (en) 2022-03-31 2023-10-05 R. J. Reynolds Tobacco Company Agglomerated botanical material for oral products
WO2024069544A1 (en) 2022-09-30 2024-04-04 Nicoventures Trading Limited Reconstituted tobacco substrate for aerosol delivery device
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US12201142B2 (en) 2020-09-11 2025-01-21 SWM Holdings US, LLC Filter for smoking or vaping article comprising a nonwoven substrate

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RU2342059C2 (ru) 2004-08-24 2008-12-27 Джапан Тобакко Инк. Способ обработки раствора табачного экстракта для удаления ионов магния, способ производства восстановленного материала табака и восстановленный материал табака
CN103082394A (zh) * 2013-01-25 2013-05-08 安徽中烟工业有限责任公司 一种造纸法再造烟叶萃取液阴离子组分调控方法
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Cited By (106)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4131118A (en) * 1976-11-12 1978-12-26 Philip Morris Incorporated Method for removal of potassium nitrate from tobacco extracts
FR2370443A1 (fr) * 1976-11-12 1978-06-09 Philip Morris Inc Procede et appareil pour l'extraction du nitrate de potassium du tabac
US4131117A (en) * 1976-12-21 1978-12-26 Philip Morris Incorporated Method for removal of potassium nitrate from tobacco extracts
US4308877A (en) * 1978-03-06 1982-01-05 Kimberly-Clark Corporation Method of making reconstituted tobacco having reduced nitrates
US4566469A (en) * 1978-04-25 1986-01-28 Philip Morris Incorporated Process for dissimilatory denitrification of tobacco materials
US4556073A (en) * 1978-06-15 1985-12-03 Brown & Williamson Tobacco Corporation Process for reduction of nitrate content of tobacco by microbial treatment
US4557280A (en) * 1978-06-15 1985-12-10 Brown & Williamson Tobacco Corporation Process for reduction of nitrate and nicotine content of tobacco by microbial treatment
US4709710A (en) * 1978-09-05 1987-12-01 Fabriques De Tabac Reunies S.A. Process for improving tobacco
US4572219A (en) * 1979-01-19 1986-02-25 Fabriques De Tabac Reunies S.A. Process for improving tobacco
EP0034922B1 (en) * 1980-02-21 1985-05-22 Philip Morris Incorporated Tobacco treatment
WO1981002379A1 (en) * 1980-02-21 1981-09-03 Philip Morris Inc Tobacco treatment
US4589428A (en) * 1980-02-21 1986-05-20 Philip Morris Incorporated Tobacco treatment
US4364401A (en) * 1980-03-05 1982-12-21 Philip Morris Incorporated Method for selective denitration of tobacco
EP0035052A1 (en) * 1980-03-05 1981-09-09 Philip Morris Incorporated Method of treating tobacco extracts employing electrodialysis
US4302308A (en) * 1980-03-05 1981-11-24 Philip Morris, Inc. Method for electrolytic denitration of tobacco
EP0035273A1 (en) * 1980-03-05 1981-09-09 Philip Morris Incorporated Method for selective denitration of tobacco
US4448208A (en) * 1981-01-21 1984-05-15 Philip Morris Incorporated Tobacco extractor
US4685478A (en) * 1981-10-01 1987-08-11 Philip Morris Incorporated Thermophilic denitrification of tobacco
EP0081231A3 (en) * 1981-12-07 1985-06-19 Adam Dr. Muller Pure aromatic tobacco oil, process for its production from a tobacco extract and its application
US4962774A (en) * 1988-11-16 1990-10-16 R. J. Reynolds Tobacco Company Tobacco reconstitution process
US4987906A (en) * 1989-09-13 1991-01-29 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
US5143097A (en) * 1991-01-28 1992-09-01 R. J. Reynolds Tobacco Company Tobacco reconstitution process
US5159942A (en) * 1991-06-04 1992-11-03 R. J. Reynolds Tobacco Company Process for providing smokable material for a cigarette
US5230354A (en) * 1991-09-03 1993-07-27 R. J. Reynolds Tobacco Company Tobacco processing
US5501237A (en) * 1991-09-30 1996-03-26 R. J. Reynolds Tobacco Company Tobacco reconstitution process
US5339838A (en) * 1992-08-17 1994-08-23 R. J. Reynolds Tobacco Company Method for providing a reconstituted tobacco material
US5377698A (en) * 1993-04-30 1995-01-03 Brown & Williamson Tobacco Corporation Reconstituted tobacco product
US5325877A (en) * 1993-07-23 1994-07-05 R. J. Reynolds Tobacco Company Tobacco reconstitution process
US5810020A (en) * 1993-09-07 1998-09-22 Osmotek, Inc. Process for removing nitrogen-containing anions and tobacco-specific nitrosamines from tobacco products
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
US6679270B2 (en) 2000-10-05 2004-01-20 Nicolas Baskevitch Reduction of nitrosamines in tobacco and tobacco products
US20070107743A1 (en) * 2003-06-17 2007-05-17 R. J. Reynolds Tobacco Company Reconstituted Tobaccos Containing Additive Materials
US7900639B2 (en) 2003-06-17 2011-03-08 R. J. Reynolds Tobacco Company Reconstituted tobaccos containing additive materials
US20040255965A1 (en) * 2003-06-17 2004-12-23 R. J. Reynolds Tobacco Company Reconstituted tobaccos containing additive materials
US20050005947A1 (en) * 2003-07-11 2005-01-13 Schweitzer-Mauduit International, Inc. Smoking articles having reduced carbon monoxide delivery
US8443812B2 (en) 2003-07-11 2013-05-21 Schweitzer-Mauduit International, Inc. Smoking articles having reduced carbon monoxide delivery
US8353301B2 (en) 2003-07-11 2013-01-15 Schweitzer-Mauduit International, Inc. Smoking articles having reduced carbon monoxide delivery
US20090283104A1 (en) * 2003-07-11 2009-11-19 Hampl Jr Vladimir Smoking Articles Having Reduced Carbon Monoxide Delivery
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IE40439B1 (en) 1979-06-06
ES429718A1 (es) 1976-10-01
DE2441719A1 (de) 1975-04-17
CA1001039A (en) 1976-12-07
NL7413440A (nl) 1975-04-15
IE40439L (en) 1975-04-11
CH590620A5 (cs) 1977-08-15
ZA745020B (en) 1975-08-27
DK530974A (cs) 1975-06-09
SE7412765L (cs) 1975-04-14
BR7407211D0 (pt) 1975-07-29
BE820483A (fr) 1975-01-16
GB1455349A (en) 1976-11-10
JPS5064500A (cs) 1975-05-31
FR2247169A1 (cs) 1975-05-09
FR2247169B1 (cs) 1978-06-09

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