RS11204A - Cigarette filter - Google Patents

Cigarette filter

Info

Publication number
RS11204A
RS11204A YUP-112/04A YUP11204A RS11204A RS 11204 A RS11204 A RS 11204A YU P11204 A YUP11204 A YU P11204A RS 11204 A RS11204 A RS 11204A
Authority
RS
Serbia
Prior art keywords
section
adsorbent material
filter
cigarette
general
Prior art date
Application number
YUP-112/04A
Other languages
Serbian (sr)
Inventor
James Figlar
Briian Tucker
E.Kelly St.Charles
Original Assignee
Brown & Williamson Tobacco Corporation
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 Brown & Williamson Tobacco Corporation filed Critical Brown & Williamson Tobacco Corporation
Publication of RS11204A publication Critical patent/RS11204A/en
Publication of RS51032B publication Critical patent/RS51032B/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
    • A24D3/12—Use of materials for tobacco smoke filters of ion exchange materials
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

A cigarette filter that includes a multiple section filter which reduces the level of predetermined smoke constituents. The filter (130) consists of a fibrous filter plug (132) located at the mouth-end of the cigarette, a section (136) containing a selective adsorbent material, and a section (134) containing a general adsorbent material. The selective adsorbent material, such as a phenol- formaldehyde resin matrix surface-functionalized with mainly primary and secondary amine functional groups, removes specific smoke constituents from the tobacco smoke. The general adsorbent material, such as activated charcoal, is preferably capable of adsorbing a range of chemical compounds without a high degree of specificity. Structurally, the fibrous filter plug, the selective adsorbent section, and the general adsorbent section are co-axially aligned in tandem.
YUP-112/04A 2001-08-01 2002-07-30 Cigarette filter RS51032B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US30943501P 2001-08-01 2001-08-01
US30938801P 2001-08-01 2001-08-01
US10/011,841 US20030066539A1 (en) 2001-08-01 2001-10-30 Cigarette Filter
PCT/US2002/024240 WO2003015544A1 (en) 2001-08-01 2002-07-30 Cigarette filter

Publications (2)

Publication Number Publication Date
RS11204A true RS11204A (en) 2007-02-05
RS51032B RS51032B (en) 2010-10-31

Family

ID=27359516

Family Applications (1)

Application Number Title Priority Date Filing Date
YUP-112/04A RS51032B (en) 2001-08-01 2002-07-30 Cigarette filter

Country Status (27)

Country Link
US (2) US20030066539A1 (en)
EP (1) EP1411784B8 (en)
JP (1) JP4028483B2 (en)
KR (1) KR100838207B1 (en)
CN (1) CN100496312C (en)
AP (1) AP2134A (en)
AR (1) AR034967A1 (en)
AT (1) ATE527901T1 (en)
AU (1) AU2002322811B2 (en)
BR (1) BR0211853B1 (en)
CA (1) CA2454820C (en)
EA (1) EA005323B1 (en)
EG (1) EG23137A (en)
ES (1) ES2375106T3 (en)
HR (1) HRP20040166B1 (en)
HU (1) HUP0401565A3 (en)
IL (2) IL160150A0 (en)
MX (1) MXPA04001044A (en)
MY (1) MY128508A (en)
NO (1) NO20040452L (en)
NZ (1) NZ531256A (en)
OA (1) OA12647A (en)
PL (1) PL200589B1 (en)
RS (1) RS51032B (en)
TW (1) TWI239237B (en)
WO (1) WO2003015544A1 (en)
ZA (1) ZA200401077B (en)

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Also Published As

Publication number Publication date
HUP0401565A3 (en) 2012-09-28
CN100496312C (en) 2009-06-10
MXPA04001044A (en) 2004-06-22
ES2375106T3 (en) 2012-02-24
AP2004002985A0 (en) 2004-03-31
EP1411784A1 (en) 2004-04-28
OA12647A (en) 2006-06-16
IL160150A0 (en) 2004-07-25
KR100838207B1 (en) 2008-06-13
CN1553777A (en) 2004-12-08
TWI239237B (en) 2005-09-11
PL200589B1 (en) 2009-01-30
HRP20040166A2 (en) 2004-08-31
IL160150A (en) 2008-03-20
AR034967A1 (en) 2004-03-24
NO20040452L (en) 2004-03-29
KR20040026699A (en) 2004-03-31
AU2002322811B2 (en) 2006-03-09
AP2134A (en) 2010-07-13
EA200400191A1 (en) 2004-06-24
EP1411784B1 (en) 2011-10-12
CA2454820C (en) 2007-06-05
HRP20040166B1 (en) 2013-11-22
PL368136A1 (en) 2005-03-21
CA2454820A1 (en) 2003-02-27
BR0211853A (en) 2004-09-08
RS51032B (en) 2010-10-31
ZA200401077B (en) 2005-06-29
NZ531256A (en) 2005-07-29
WO2003015544A1 (en) 2003-02-27
HUP0401565A2 (en) 2004-11-29
BR0211853B1 (en) 2011-11-29
JP4028483B2 (en) 2007-12-26
JP2004538016A (en) 2004-12-24
EP1411784B8 (en) 2012-03-07
EA005323B1 (en) 2005-02-24
MY128508A (en) 2007-02-28
US20040237984A1 (en) 2004-12-02
EG23137A (en) 2004-04-28
ATE527901T1 (en) 2011-10-15
US20030066539A1 (en) 2003-04-10

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