EG22308A - Tobacco treatment - Google Patents

Tobacco treatment


Publication number
EG22308A EG20010230A EG20010230A EG22308A EG 22308 A EG22308 A EG 22308A EG 20010230 A EG20010230 A EG 20010230A EG 20010230 A EG20010230 A EG 20010230A EG 22308 A EG22308 A EG 22308A
Prior art keywords
tobacco treatment
Prior art date
Application number
Andrew J Manson
Original Assignee
British American Tobacco Co
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
Family has litigation
Priority to GB0005665A priority Critical patent/GB0005665D0/en
Priority to GB0012111A priority patent/GB0012111D0/en
Application filed by British American Tobacco Co filed Critical British American Tobacco Co
Application granted granted Critical
Publication of EG22308A publication Critical patent/EG22308A/en
First worldwide family litigation filed litigation Critical "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.



    • A24B15/00Chemical features or treatment of tobacco; Tobacco substitutes
    • A24B15/18Treatment of tobacco products or tobacco substitutes
    • A24B15/24Treatment of tobacco products or tobacco substitutes by extraction; Tobacco extracts
    • A24B15/241Extraction of specific substances
    • A24B15/245Nitrosamines
    • A24B15/00Chemical features or treatment of tobacco; Tobacco substitutes
    • A24B15/18Treatment of tobacco products or tobacco substitutes
    • A24B15/24Treatment of tobacco products or tobacco substitutes by extraction; Tobacco extracts
EG20010230A 2000-03-10 2001-03-10 Tobacco treatment EG22308A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0005665A GB0005665D0 (en) 2000-03-10 2000-03-10 Tobacco treatment
GB0012111A GB0012111D0 (en) 2000-05-20 2000-05-20 Tobacco treatment

Publications (1)

Publication Number Publication Date
EG22308A true EG22308A (en) 2002-12-31



Family Applications (1)

Application Number Title Priority Date Filing Date
EG20010230A EG22308A (en) 2000-03-10 2001-03-10 Tobacco treatment

Country Status (18)

Country Link
US (1) US20040025891A1 (en)
EP (1) EP1267650B1 (en)
JP (1) JP3931084B2 (en)
CN (1) CN100430001C (en)
AR (1) AR028238A1 (en)
AT (1) AT313968T (en)
AU (2) AU2001235863B2 (en)
BR (1) BR0109264B1 (en)
CA (1) CA2400408C (en)
DE (1) DE60116273T2 (en)
DK (1) DK1267650T3 (en)
EG (1) EG22308A (en)
ES (1) ES2251464T3 (en)
MY (1) MY136703A (en)
NZ (1) NZ521065A (en)
PT (1) PT1267650E (en)
RU (1) RU2259797C2 (en)
WO (1) WO2001065954A1 (en)

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* Cited by examiner, † Cited by third party
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CN100518551C (en) 2000-10-05 2009-07-29 施韦策-莫杜特国际公司;Ltr 工业公司 Reduction of nitrosamines in tobacco and tobacco products
DOP2001000282A (en) 2000-11-10 2002-12-30 Vector Tabacco Bermuda Ltd Method and product for removing smoke calcinogenos of the snuff (method and products for removing calcinogenos from tobacco smoke)
EP2292106A3 (en) 2002-07-18 2011-06-01 Phasex Corporation Reduction of constituents in tobacco
WO2004098323A1 (en) 2003-05-06 2004-11-18 Japan Tobacco Inc. Process for producing regenerated tobacco material
EP1756023B1 (en) 2004-05-24 2012-04-11 British American Tobacco (Investments) Limited Molecularly imprinted polymers selective for nitrosamines and methods of using the same
US7807025B2 (en) * 2004-05-25 2010-10-05 Toyo University Educational Foundation Method of decomposing carbon dioxide and method of forming carbon-particle structure
US20050263161A1 (en) * 2004-05-27 2005-12-01 Brown & Williamson Tobacco Corporation Tobacco filler of low nitrogen content
EP1782702B1 (en) * 2004-06-16 2011-04-20 Japan Tobacco, Inc. Process for producing regenerated tobacco material
JP4462569B2 (en) * 2004-10-28 2010-05-12 日本たばこ産業株式会社 Method for extracting component from material to be processed and apparatus used for the method
WO2007032433A1 (en) * 2005-09-15 2007-03-22 Japan Tobacco Inc. Method for production of recycled tobacco material
WO2007053096A1 (en) * 2005-11-07 2007-05-10 Njette Ab Tobacco product with reduced content of nitrosamines
WO2007053097A1 (en) * 2005-11-07 2007-05-10 Njette Ab Nicotine with a reduced content of nitrosamines .
US20070137663A1 (en) * 2005-12-01 2007-06-21 R. J. Reynolds Tobacco Company Method of extracting sucrose esters from oriental tobacco
RU2390285C1 (en) 2006-04-25 2010-05-27 Джапан Тобакко Инк. Cut tobacco and method for tobacco treatment
JP2008125498A (en) * 2006-11-27 2008-06-05 Tetsuro Asao Method for producing tobacco leaf
TWI421037B (en) 2006-12-07 2014-01-01 British American Tobacco Co Molecularly imprinted polymers selective for tobacco specific nitrosamines and methods of using the same
US9049886B2 (en) * 2007-01-26 2015-06-09 Philip Morris Usa Inc. Methods and apparatus for the selective removal of constituents from aqueous tobacco extracts
WO2009019514A2 (en) * 2007-08-03 2009-02-12 British American Tobacco (Investments) Limited Methods for modifying plant matter
CN101216403B (en) 2008-01-21 2010-06-16 河南农业大学 Flue-cured tobacco leaf total cell wall substance content measuring method
GB0810850D0 (en) * 2008-06-13 2008-07-23 British American Tobacco Co Tobacco treatment
CN101571521B (en) 2009-06-12 2012-04-25 中国烟草总公司郑州烟草研究院 Method for evaluating unique nitrosamine inhibiting function of additive on tobacco
US8360072B2 (en) * 2009-10-09 2013-01-29 Philip Morris Usa Inc. Combination treatment of tobacco extract using antioxidants and antioxidant scavengers
GB201003887D0 (en) 2010-03-09 2010-05-12 British American Tobacco Co Methods for extracting and isolating constituents of cellulosic material
US20120199145A1 (en) * 2010-11-18 2012-08-09 R.J. Reynolds Tobacco Company Method for treating an extracted tobacco pulp and tobacco products made therefrom
EP2481466A1 (en) * 2011-01-31 2012-08-01 Siemens Aktiengesellschaft Device and method for cleaning a processing unit product contaminated with nitrosamine
RU2452339C1 (en) * 2011-02-10 2012-06-10 Олег Иванович Квасенков Method for production of non-smoking products of rustic tobacco
US9066538B2 (en) * 2011-03-15 2015-06-30 R.J. Reynolds Tobacco Company Cured tobacco and method therefor
EP2526787A1 (en) 2011-05-26 2012-11-28 Philip Morris Products S.a.s. Methods for reducing the formation of tobacco specific nitrosamines in tobacco homogenates
GB201200878D0 (en) 2012-01-19 2012-02-29 British American Tobacco Co Polymer compositions
SG11201405999RA (en) * 2012-03-28 2014-10-30 Philip Morris Products Sa Liquid tobacco compositions
CN102640985A (en) * 2012-04-28 2012-08-22 河南中烟工业有限责任公司 Cigarette tar-reducing harm-reducing process and supercritical extraction device for tobacco shred or tobacco leaves
CN102894469B (en) * 2012-10-31 2014-12-24 河南中烟工业有限责任公司 CO2 flow extraction process for reducing tar and harmful components of tobacco
TR201903189T4 (en) * 2013-03-15 2019-03-21 Philip Morris Products Sa one or more methods to reduce tobacco-specific nitrosamines in the tobacco material.
WO2014141201A2 (en) 2013-03-15 2014-09-18 Fall Safall Method of reducing tobacco-specific nitrosamines
CN105451580B (en) 2013-08-27 2019-03-08 日本烟草产业株式会社 Tobacco material and its manufacturing method and tobacco product
KR20160094941A (en) * 2013-12-18 2016-08-10 필립모리스 프로덕츠 에스.에이. Methods for reducing matrix-bound nicotine-derived nitrosamine ketone in tobacco plant material
US10111458B1 (en) 2014-05-16 2018-10-30 R.J. Reynolds Tobacco Company Process for inhibiting formation of nitrosamines
HUE040016T2 (en) * 2014-08-20 2019-02-28 Philip Morris Products Sa Method for reducing the amount of tobacco specific nitrosamines in liquids containing nicotine
CN104351943B (en) * 2014-09-09 2016-02-10 安徽中烟工业有限责任公司 A kind of method utilizing electroosmose process to reduce TSNA and nitrate content in reproduced tobacco concentrated liquid
CN104371826A (en) * 2014-10-31 2015-02-25 湖北中烟工业有限责任公司 Natural cigarette flavoring with antiseptic effect
GB201504587D0 (en) * 2015-03-18 2015-05-06 British American Tobacco Co Improvements in methods of treating tobacco.
CN106418660A (en) * 2015-08-13 2017-02-22 上海烟草集团有限责任公司 Preparation method for tobacco liquid of electronic cigarette and application of same
EP3175897B1 (en) 2015-12-04 2018-04-04 Evonik Degussa GmbH Improved method for the extraction of aromatic substances from fat-containing and/or aqueous liquid phases
CN106867665A (en) * 2015-12-10 2017-06-20 澳华达香料科技(广州)有限公司 A kind of essential oil containing nicotine tobacco and its preparation method and application less
CN105686069B (en) * 2016-03-25 2017-05-31 广东省金叶科技开发有限公司 A kind of tobacco extract and preparation method thereof and its purposes
CN106723312B (en) * 2016-12-26 2018-08-10 福建中烟工业有限责任公司 A kind of composition and the method for preparing tobacco extract using the composition
CN106723293A (en) * 2016-12-26 2017-05-31 河南农业大学 The method for reducing content of nitrosamines in tobacco storage
CN107080282A (en) * 2017-05-19 2017-08-22 上海烟草集团有限责任公司 A kind of preparation method of discarded offal extract, discarded offal extract and purposes

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US4153063A (en) * 1970-09-02 1979-05-08 Studiengesellschaft Kohle Mbh Process for the extraction of nicotine from tobacco
US5497792A (en) * 1987-11-19 1996-03-12 Philip Morris Incorporated Process and apparatus for the semicontinuous extraction of nicotine from tobacco
US5269930A (en) * 1990-07-13 1993-12-14 Isco, Inc. Apparatus and method for supercritical fluid extraction
US5810020A (en) * 1993-09-07 1998-09-22 Osmotek, Inc. Process for removing nitrogen-containing anions and tobacco-specific nitrosamines from tobacco products
US6135121A (en) * 1996-06-28 2000-10-24 Regent Court Technologies Tobacco products having reduced nitrosamine content
US5765802A (en) * 1996-08-02 1998-06-16 H.O. Bostrom Company, Inc. Low profile seat suspension

Also Published As

Publication number Publication date
AU2001235863B2 (en) 2005-06-23
NZ521065A (en) 2005-02-25
JP3931084B2 (en) 2007-06-13
JP2003526345A (en) 2003-09-09
RU2002125119A (en) 2004-03-27
CN1438843A (en) 2003-08-27
CA2400408A1 (en) 2001-09-13
CN100430001C (en) 2008-11-05
PT1267650E (en) 2006-05-31
US20040025891A1 (en) 2004-02-12
AU3586301A (en) 2001-09-17
DE60116273D1 (en) 2006-02-02
WO2001065954A1 (en) 2001-09-13
BR0109264A (en) 2003-12-30
DE60116273T2 (en) 2006-07-13
AR028238A1 (en) 2003-04-30
RU2259797C2 (en) 2005-09-10
AT313968T (en) 2006-01-15
DK1267650T3 (en) 2006-05-08
BR0109264B1 (en) 2011-09-06
CA2400408C (en) 2008-12-30
EP1267650B1 (en) 2005-12-28
ES2251464T3 (en) 2006-05-01
MY136703A (en) 2008-11-28
EP1267650A1 (en) 2003-01-02

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