CA2469457A1 - Cigarette sidestream smoke and free-burn rate control device - Google Patents

Cigarette sidestream smoke and free-burn rate control device Download PDF

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Publication number
CA2469457A1
CA2469457A1 CA002469457A CA2469457A CA2469457A1 CA 2469457 A1 CA2469457 A1 CA 2469457A1 CA 002469457 A CA002469457 A CA 002469457A CA 2469457 A CA2469457 A CA 2469457A CA 2469457 A1 CA2469457 A1 CA 2469457A1
Authority
CA
Canada
Prior art keywords
burn rate
sidestream smoke
free
cigarette
control device
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA002469457A
Other languages
French (fr)
Other versions
CA2469457C (en
Inventor
Stanislav M. Snaidr
Larry Bowen
Warren A. Brackmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rothmans Benson and Hedges Inc
Original Assignee
Individual
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 GBGB9621466.3A external-priority patent/GB9621466D0/en
Application filed by Individual filed Critical Individual
Priority claimed from CA002226685A external-priority patent/CA2226685C/en
Publication of CA2469457A1 publication Critical patent/CA2469457A1/en
Application granted granted Critical
Publication of CA2469457C publication Critical patent/CA2469457C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)

Abstract

A device for minimizing cigarette sidestream smoke and reducing free-burn rate of a burning cigarette, the device comprises:
i) a non-combustible tubular element encasing an effective length of a tobacco charge of a cigarette located in the tubular element; and ii) the tubular element having a means for both minimizing sidestream smoke emission from a burning tobacco charge and reducing free-burn rate of such burning tobacco charge to increase number of puffs from the burning tobacco charge.
CA002469457A 1996-10-15 1997-10-15 Cigarette sidestream smoke and free-burn rate control device Expired - Fee Related CA2469457C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB9621466.3 1996-10-15
GBGB9621466.3A GB9621466D0 (en) 1996-10-15 1996-10-15 Cigarette sidestream smoke and free-burn rate
US3756297P 1997-02-11 1997-02-11
US60/037,562 1997-02-11
CA002226685A CA2226685C (en) 1996-10-15 1997-10-15 Cigarette sidestream smoke and free-burn rate control device

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002226685A Division CA2226685C (en) 1996-10-15 1997-10-15 Cigarette sidestream smoke and free-burn rate control device

Publications (2)

Publication Number Publication Date
CA2469457A1 true CA2469457A1 (en) 1998-04-15
CA2469457C CA2469457C (en) 2008-04-15

Family

ID=32776356

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002469457A Expired - Fee Related CA2469457C (en) 1996-10-15 1997-10-15 Cigarette sidestream smoke and free-burn rate control device

Country Status (1)

Country Link
CA (1) CA2469457C (en)

Also Published As

Publication number Publication date
CA2469457C (en) 2008-04-15

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