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CA810932A - Additive-releasing filter and method for releasing additives into tobacco smoke - Google Patents

Additive-releasing filter and method for releasing additives into tobacco smoke

Info

Publication number
CA810932A
CA810932A CA810932A CA810932DA CA810932A CA 810932 A CA810932 A CA 810932A CA 810932 A CA810932 A CA 810932A CA 810932D A CA810932D A CA 810932DA CA 810932 A CA810932 A CA 810932A
Authority
CA
Canada
Prior art keywords
releasing
additive
tobacco smoke
filter
additives
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
CA810932A
Inventor
Ii Ernest W. Robb
Bavley Abraham
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.)
Philip Morris USA Inc
Original Assignee
Philip Morris USA Inc
Publication date
Application granted granted Critical
Publication of CA810932A publication Critical patent/CA810932A/en
Expired legal-status Critical Current

Links

CA810932A Additive-releasing filter and method for releasing additives into tobacco smoke Expired CA810932A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA810932T

Publications (1)

Publication Number Publication Date
CA810932A true CA810932A (en) 1969-04-22

Family

ID=36281458

Family Applications (1)

Application Number Title Priority Date Filing Date
CA810932A Expired CA810932A (en) Additive-releasing filter and method for releasing additives into tobacco smoke

Country Status (1)

Country Link
CA (1) CA810932A (en)

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