DK0664964T3 - Improvements regarding smoking items - Google Patents

Improvements regarding smoking items

Info

Publication number
DK0664964T3
DK0664964T3 DK94309403T DK94309403T DK0664964T3 DK 0664964 T3 DK0664964 T3 DK 0664964T3 DK 94309403 T DK94309403 T DK 94309403T DK 94309403 T DK94309403 T DK 94309403T DK 0664964 T3 DK0664964 T3 DK 0664964T3
Authority
DK
Denmark
Prior art keywords
smoking
tobacco smoke
deodorising
filter element
provides
Prior art date
Application number
DK94309403T
Other languages
Danish (da)
Inventor
Kevin Gerard Mcadam
Peter Rex White
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
Priority claimed from GB9401553A external-priority patent/GB9401553D0/en
Priority claimed from GB9401552A external-priority patent/GB9401552D0/en
Application filed by British American Tobacco Co filed Critical British American Tobacco Co
Application granted granted Critical
Publication of DK0664964T3 publication Critical patent/DK0664964T3/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
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A24D3/048—Tobacco smoke filters characterised by their shape or structure containing additives
    • 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

Abstract

The present invention provides a solution to reduce the lingering smell in confined spaces associated with smoked filter tipped cigarette butts. Unlike other methods the invention does not require any active step by the smoker to activate any deodorising material. The present invention provides a smoking article incorporating a tobacco smoke filter element which exhibits in a passive manner a deodorising property even after smoking has occurred. The filter element incorporates a vapour phase absorbing material which is maintained substantially free from contact by the particulate phase of tobacco smoke, yet which is open to diffusion contact with the vapour phase of tobacco smoke both during and after smoking of the smoking article. <IMAGE>
DK94309403T 1994-01-27 1994-12-15 Improvements regarding smoking items DK0664964T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9401553A GB9401553D0 (en) 1994-01-27 1994-01-27 Improvements relating to smoking articles
GB9401552A GB9401552D0 (en) 1994-01-27 1994-01-27 Improvements relating to smoking articles

Publications (1)

Publication Number Publication Date
DK0664964T3 true DK0664964T3 (en) 2003-10-27

Family

ID=26304224

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94309403T DK0664964T3 (en) 1994-01-27 1994-12-15 Improvements regarding smoking items

Country Status (6)

Country Link
EP (1) EP0664964B1 (en)
AT (1) ATE244516T1 (en)
DE (1) DE69432920T2 (en)
DK (1) DK0664964T3 (en)
ES (1) ES2201071T3 (en)
PT (1) PT664964E (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0316171D0 (en) * 2003-07-10 2003-08-13 British American Tobacco Co Improvements relating to smoking article filters
CN101969797A (en) * 2008-02-07 2011-02-09 菲尔特隆纳国际有限公司 Tobacco smoke filter
GB0809865D0 (en) 2008-05-30 2008-07-09 British American Tobacco Co Filter for a smoking article
US8997755B2 (en) 2009-11-11 2015-04-07 R.J. Reynolds Tobacco Company Filter element comprising smoke-altering material
US10609955B2 (en) 2011-04-08 2020-04-07 R.J. Reynolds Tobacco Company Filtered cigarette comprising a tubular element in filter
US11957163B2 (en) 2011-04-08 2024-04-16 R.J. Reynolds Tobacco Company Multi-segment filter element including smoke-altering flavorant
ITBO20120536A1 (en) * 2012-10-01 2014-04-02 Montrade S R L FILTERING ELEMENT ADDED TO SMOKE ITEMS AND METHOD FOR ITS REALIZATION
CN110893009A (en) * 2019-09-18 2020-03-20 索图电子(惠州)有限公司 Filter part for cigarette

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3297038A (en) * 1964-04-20 1967-01-10 Homburger Freddy Filter cigarette
US5365951A (en) * 1990-08-24 1994-11-22 Philip Morris Incorporated Concentric smoking filter having cellulose acetate tow periphery and carbon-particle-loaded web filter core
AU658372B2 (en) * 1990-11-19 1995-04-13 Cigarette Components Limited Smoke filter containing particulate smoke modifying additive
GB9214267D0 (en) * 1992-07-04 1992-08-19 British American Tobacco Co Improvements relating to smoking articles
US5404890A (en) * 1993-06-11 1995-04-11 R. J. Reynolds Tobacco Company Cigarette filter

Also Published As

Publication number Publication date
EP0664964A2 (en) 1995-08-02
ES2201071T3 (en) 2004-03-16
DE69432920D1 (en) 2003-08-14
EP0664964B1 (en) 2003-07-09
DE69432920T2 (en) 2004-05-19
EP0664964A3 (en) 1997-04-23
PT664964E (en) 2003-10-31
ATE244516T1 (en) 2003-07-15

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