CA570399A - Filtres pour fumee de tabac comprenant des esters et ethers de cellulose - Google Patents

Filtres pour fumee de tabac comprenant des esters et ethers de cellulose

Info

Publication number
CA570399A
CA570399A CA570399A CA570399DA CA570399A CA 570399 A CA570399 A CA 570399A CA 570399 A CA570399 A CA 570399A CA 570399D A CA570399D A CA 570399DA CA 570399 A CA570399 A CA 570399A
Authority
CA
Canada
Prior art keywords
ethers
filters
cellulose esters
tobacco smoke
tobacco
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
CA570399A
Other languages
English (en)
Inventor
P. Touey George
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
Publication date
Application granted granted Critical
Publication of CA570399A publication Critical patent/CA570399A/fr
Expired legal-status Critical Current

Links

CA570399A Filtres pour fumee de tabac comprenant des esters et ethers de cellulose Expired CA570399A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA570399T

Publications (1)

Publication Number Publication Date
CA570399A true CA570399A (fr) 1959-02-10

Family

ID=35742941

Family Applications (1)

Application Number Title Priority Date Filing Date
CA570399A Expired CA570399A (fr) Filtres pour fumee de tabac comprenant des esters et ethers de cellulose

Country Status (1)

Country Link
CA (1) CA570399A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3424172A (en) * 1965-05-14 1969-01-28 Georg Neurath Cigarette filters

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3424172A (en) * 1965-05-14 1969-01-28 Georg Neurath Cigarette filters

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