ATE532425T1 - SMOKING ARTICLE WITH A FILTER - Google Patents

SMOKING ARTICLE WITH A FILTER

Info

Publication number
ATE532425T1
ATE532425T1 AT06803533T AT06803533T ATE532425T1 AT E532425 T1 ATE532425 T1 AT E532425T1 AT 06803533 T AT06803533 T AT 06803533T AT 06803533 T AT06803533 T AT 06803533T AT E532425 T1 ATE532425 T1 AT E532425T1
Authority
AT
Austria
Prior art keywords
filter element
filter
triacetin
mixture
activated carbon
Prior art date
Application number
AT06803533T
Other languages
German (de)
Inventor
William Monroe Coleman Iii
Linda Ann Crumpler
Bert Miller Gordon
Original Assignee
Reynolds Tobacco Co R
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 Reynolds Tobacco Co R filed Critical Reynolds Tobacco Co R
Application granted granted Critical
Publication of ATE532425T1 publication Critical patent/ATE532425T1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
    • A24D3/163—Carbon
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/14—Use of materials for tobacco smoke filters of organic materials as additive

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

A filtered cigarette possesses a filter element incorporating activated carbon particles. A preferred filter element incorporates a filter material such as cellulose acetate tow, and that tow is plasticized using triacetin. A mixture of propylene glycol and triacetin is contacted with the activated carbon particles, and those particles so treated are incorporated into the filter element. Alternatively, a mixture of propylene glycol and triacetin is incorporated within the filter element, and a portion of that mixture is in contact with at least a portion of the activated carbon particles.
AT06803533T 2005-09-14 2006-09-13 SMOKING ARTICLE WITH A FILTER ATE532425T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/226,932 US20070056600A1 (en) 2005-09-14 2005-09-14 Filtered smoking article
PCT/US2006/035720 WO2007033272A1 (en) 2005-09-14 2006-09-13 Filtered smoking article

Publications (1)

Publication Number Publication Date
ATE532425T1 true ATE532425T1 (en) 2011-11-15

Family

ID=37663270

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06803533T ATE532425T1 (en) 2005-09-14 2006-09-13 SMOKING ARTICLE WITH A FILTER

Country Status (6)

Country Link
US (1) US20070056600A1 (en)
EP (1) EP1931225B1 (en)
JP (1) JP5173815B2 (en)
CN (1) CN101262785B (en)
AT (1) ATE532425T1 (en)
WO (1) WO2007033272A1 (en)

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Also Published As

Publication number Publication date
CN101262785B (en) 2012-10-03
CN101262785A (en) 2008-09-10
JP5173815B2 (en) 2013-04-03
EP1931225A1 (en) 2008-06-18
JP2009507518A (en) 2009-02-26
EP1931225B1 (en) 2011-11-09
US20070056600A1 (en) 2007-03-15
WO2007033272A1 (en) 2007-03-22

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