CA891311A - Tobacco smoke filter - Google Patents

Tobacco smoke filter

Info

Publication number
CA891311A
CA891311A CA891311A CA891311DA CA891311A CA 891311 A CA891311 A CA 891311A CA 891311 A CA891311 A CA 891311A CA 891311D A CA891311D A CA 891311DA CA 891311 A CA891311 A CA 891311A
Authority
CA
Canada
Prior art keywords
tobacco smoke
smoke filter
filter
tobacco
smoke
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
CA891311A
Inventor
D. Mackenzie John
J. Hammel Joseph
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.)
PPG Industries Inc
Original Assignee
PPG Industries Inc
Publication date
Application granted granted Critical
Publication of CA891311A publication Critical patent/CA891311A/en
Expired legal-status Critical Current

Links

CA891311A Tobacco smoke filter Expired CA891311A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA891311T

Publications (1)

Publication Number Publication Date
CA891311A true CA891311A (en) 1972-01-25

Family

ID=36397422

Family Applications (1)

Application Number Title Priority Date Filing Date
CA891311A Expired CA891311A (en) Tobacco smoke filter

Country Status (1)

Country Link
CA (1) CA891311A (en)

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