CA666890A - Tobacco smoke filters - Google Patents

Tobacco smoke filters

Info

Publication number
CA666890A
CA666890A CA666890A CA666890DA CA666890A CA 666890 A CA666890 A CA 666890A CA 666890 A CA666890 A CA 666890A CA 666890D A CA666890D A CA 666890DA CA 666890 A CA666890 A CA 666890A
Authority
CA
Canada
Prior art keywords
tobacco smoke
smoke filters
filters
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
CA666890A
Inventor
C. Hamon Ray
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.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
Publication date
Application granted granted Critical
Publication of CA666890A publication Critical patent/CA666890A/en
Expired legal-status Critical Current

Links

CA666890A Tobacco smoke filters Expired CA666890A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA666890T

Publications (1)

Publication Number Publication Date
CA666890A true CA666890A (en) 1963-07-16

Family

ID=35961020

Family Applications (1)

Application Number Title Priority Date Filing Date
CA666890A Expired CA666890A (en) Tobacco smoke filters

Country Status (1)

Country Link
CA (1) CA666890A (en)

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