BR0314153A - Método de preparação de um material de tabaco com nìveis reduzidos de lignina e de compostos nitrogenados - Google Patents

Método de preparação de um material de tabaco com nìveis reduzidos de lignina e de compostos nitrogenados

Info

Publication number
BR0314153A
BR0314153A BR0314153-5A BR0314153A BR0314153A BR 0314153 A BR0314153 A BR 0314153A BR 0314153 A BR0314153 A BR 0314153A BR 0314153 A BR0314153 A BR 0314153A
Authority
BR
Brazil
Prior art keywords
tobacco
leaf
lignin
nitrogen compounds
preparing
Prior art date
Application number
BR0314153-5A
Other languages
English (en)
Other versions
BR0314153B1 (pt
Inventor
John-Paul Mua
Brad L Hayes
Jr Kenneth J Bradley
Original Assignee
British American Tobaco Invest
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
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=31977729&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR0314153(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by British American Tobaco Invest filed Critical British American Tobaco Invest
Publication of BR0314153A publication Critical patent/BR0314153A/pt
Publication of BR0314153B1 publication Critical patent/BR0314153B1/pt

Links

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
    • A24B15/241—Extraction of specific substances
    • A24B15/243—Nicotine
    • 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
    • A24B15/18—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
    • A24B15/245—Nitrosamines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Tobacco Products (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Paper (AREA)

Abstract

"MéTODO DE PREPARAçãO DE UM MATERIAL DE TABACO COM NìVEIS REDUZIDOS DE LIGNINA E DE COMPOSTOS NITROGENADOS". Um processo para reduzir o teor nitrogenoso e de lignina em lâmina de tabaco e em material de fibra de tabaco, incluindo folha integral, caules, pedaços, finos e lâmina, bem como folha e caule de tipo burley, em uma extração com uma solução contendo peróxido de hidrogênio e um hidróxido de metal alcalino. O tabaco tratado pode ser então adicionalmente processado para uso em cigarros e outros artigos de fumar.
BRPI0314153-5A 2002-09-09 2003-08-28 "método de preparação de um material de tabaco com nìveis reduzidos de lignina e de compostos nitrogenados". BR0314153B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/237,837 US6772767B2 (en) 2002-09-09 2002-09-09 Process for reducing nitrogen containing compounds and lignin in tobacco
PCT/US2003/027087 WO2004021809A1 (en) 2002-09-09 2003-08-28 A process for reducing nitrogen containing compounds and lignin in tobacco

Publications (2)

Publication Number Publication Date
BR0314153A true BR0314153A (pt) 2005-07-12
BR0314153B1 BR0314153B1 (pt) 2012-03-20

Family

ID=31977729

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0314153-5A BR0314153B1 (pt) 2002-09-09 2003-08-28 "método de preparação de um material de tabaco com nìveis reduzidos de lignina e de compostos nitrogenados".

Country Status (13)

Country Link
US (2) US6772767B2 (pt)
EP (1) EP1545249B1 (pt)
CN (1) CN100334978C (pt)
AR (1) AR041167A1 (pt)
AU (1) AU2003270035A1 (pt)
BR (1) BR0314153B1 (pt)
CA (1) CA2502674C (pt)
DE (1) DE60328398D1 (pt)
ES (1) ES2326413T3 (pt)
MY (1) MY132690A (pt)
NZ (1) NZ538851A (pt)
RU (1) RU2306836C2 (pt)
WO (1) WO2004021809A1 (pt)

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US6772767B2 (en) 2004-08-10
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ES2326413T3 (es) 2009-10-09
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AU2003270035A1 (en) 2004-03-29
CA2502674A1 (en) 2004-03-18
CA2502674C (en) 2011-03-08
WO2004021809A1 (en) 2004-03-18
CN1694628A (zh) 2005-11-09
DE60328398D1 (de) 2009-08-27
EP1545249A4 (en) 2005-12-14
CN100334978C (zh) 2007-09-05
RU2306836C2 (ru) 2007-09-27
RU2005110405A (ru) 2006-01-20
EP1545249B1 (en) 2009-07-15
AR041167A1 (es) 2005-05-04
US20040045565A1 (en) 2004-03-11
EP1545249A1 (en) 2005-06-29
US20060130859A1 (en) 2006-06-22
BR0314153B1 (pt) 2012-03-20

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