CA1159742A - Filtre de fumee de tabac a rapport de captage ameliore du monoxyde de carbone et du goudron - Google Patents

Filtre de fumee de tabac a rapport de captage ameliore du monoxyde de carbone et du goudron

Info

Publication number
CA1159742A
CA1159742A CA000424206A CA424206A CA1159742A CA 1159742 A CA1159742 A CA 1159742A CA 000424206 A CA000424206 A CA 000424206A CA 424206 A CA424206 A CA 424206A CA 1159742 A CA1159742 A CA 1159742A
Authority
CA
Canada
Prior art keywords
smoke
inner member
filter
providing
elongated
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.)
Expired
Application number
CA000424206A
Other languages
English (en)
Inventor
Richard M. Berger
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.)
Filtrona Richmond Inc
Original Assignee
American Filtrona Corp
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 US06/153,560 external-priority patent/US4357950A/en
Application filed by American Filtrona Corp filed Critical American Filtrona Corp
Priority to CA000424206A priority Critical patent/CA1159742A/fr
Application granted granted Critical
Publication of CA1159742A publication Critical patent/CA1159742A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
CA000424206A 1980-05-27 1983-03-22 Filtre de fumee de tabac a rapport de captage ameliore du monoxyde de carbone et du goudron Expired CA1159742A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000424206A CA1159742A (fr) 1980-05-27 1983-03-22 Filtre de fumee de tabac a rapport de captage ameliore du monoxyde de carbone et du goudron

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US153,560 1980-05-27
US06/153,560 US4357950A (en) 1980-05-27 1980-05-27 Tobacco smoke filter having improved tar/carbon monoxide ratio
CA000361646A CA1147629A (fr) 1980-05-27 1980-10-06 Filtre de fumee de tabac a captage ameliore du goudron en proportion du monoxyde de carbone
CA000424206A CA1159742A (fr) 1980-05-27 1983-03-22 Filtre de fumee de tabac a rapport de captage ameliore du monoxyde de carbone et du goudron

Publications (1)

Publication Number Publication Date
CA1159742A true CA1159742A (fr) 1984-01-03

Family

ID=27166837

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000424206A Expired CA1159742A (fr) 1980-05-27 1983-03-22 Filtre de fumee de tabac a rapport de captage ameliore du monoxyde de carbone et du goudron

Country Status (1)

Country Link
CA (1) CA1159742A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry