CA651163A - Tobacco smoke filter material - Google Patents

Tobacco smoke filter material

Info

Publication number
CA651163A
CA651163A CA651163A CA651163DA CA651163A CA 651163 A CA651163 A CA 651163A CA 651163 A CA651163 A CA 651163A CA 651163D A CA651163D A CA 651163DA CA 651163 A CA651163 A CA 651163A
Authority
CA
Canada
Prior art keywords
filter material
tobacco smoke
smoke 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
CA651163A
Inventor
E. Yarsley Victor
Titow Witold
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.)
British and Foreign Tobacco Co Ltd
Original Assignee
British and Foreign Tobacco Co Ltd
Publication date
Application granted granted Critical
Publication of CA651163A publication Critical patent/CA651163A/en
Expired legal-status Critical Current

Links

CA651163A Tobacco smoke filter material Expired CA651163A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA651163T

Publications (1)

Publication Number Publication Date
CA651163A true CA651163A (en) 1962-10-30

Family

ID=35939807

Family Applications (1)

Application Number Title Priority Date Filing Date
CA651163A Expired CA651163A (en) Tobacco smoke filter material

Country Status (1)

Country Link
CA (1) CA651163A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4180536A (en) * 1978-03-13 1979-12-25 Celanese Corporation Process for extruding plasticized open cell foamed cellulose acetate filters
US4282890A (en) * 1978-03-13 1981-08-11 Celanese Corporation Open cell structure foamed cellulose acetate filters

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4180536A (en) * 1978-03-13 1979-12-25 Celanese Corporation Process for extruding plasticized open cell foamed cellulose acetate filters
US4282890A (en) * 1978-03-13 1981-08-11 Celanese Corporation Open cell structure foamed cellulose acetate filters

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