CA961728A - Tobacco-smoke filters - Google Patents

Tobacco-smoke filters

Info

Publication number
CA961728A
CA961728A CA122,395A CA122395A CA961728A CA 961728 A CA961728 A CA 961728A CA 122395 A CA122395 A CA 122395A CA 961728 A CA961728 A CA 961728A
Authority
CA
Canada
Prior art keywords
tobacco
smoke filters
smoke
filters
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
CA122,395A
Other languages
English (en)
Other versions
CA122395S (en
Inventor
John A. Luke
Henry G. Horsewell
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 American Tobacco Investments Ltd
Original Assignee
British American Tobacco Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by British American Tobacco Co Ltd filed Critical British American Tobacco Co Ltd
Application granted granted Critical
Publication of CA961728A publication Critical patent/CA961728A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
CA122,395A 1970-10-07 1971-09-09 Tobacco-smoke filters Expired CA961728A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4770870 1970-10-07

Publications (1)

Publication Number Publication Date
CA961728A true CA961728A (en) 1975-01-28

Family

ID=10445988

Family Applications (1)

Application Number Title Priority Date Filing Date
CA122,395A Expired CA961728A (en) 1970-10-07 1971-09-09 Tobacco-smoke filters

Country Status (8)

Country Link
BE (1) BE773615A (da)
CA (1) CA961728A (da)
CH (1) CH542597A (da)
DE (1) DE2149431A1 (da)
DK (1) DK130039B (da)
GB (1) GB1320419A (da)
NL (1) NL7113691A (da)
ZA (1) ZA715953B (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR780000246B1 (en) * 1976-08-21 1978-07-01 Suk Kyun Sin Self extinguishing filter pipe cigarettes
DE2804991A1 (de) * 1978-02-06 1979-08-16 Hauni Werke Koerber & Co Kg Filterzigarette mit einem aus mindestens zwei filterkomponenten bestehenden mundstueck, verfahren zur herstellung einer filterzigarette und vorrichtung zum ausueben des verfahrens
IT1152278B (it) * 1981-07-06 1986-12-31 Cigarette Components Ltd Rivestimento per filtro di sigaretta
DE3439907A1 (de) * 1984-10-31 1986-04-30 Alexei 8000 München Filippenko Filter fuer das rauchen nikotin- und schadstofffreier zigaretten
IL82729A0 (en) * 1987-06-01 1987-12-20 Jacob Sidi Disk filter for cigarettes
CN115568624A (zh) * 2022-11-29 2023-01-06 云南中烟工业有限责任公司 一种复合滤棒的卷烟结构

Also Published As

Publication number Publication date
DK130039B (da) 1974-12-16
CH542597A (fr) 1973-10-15
GB1320419A (en) 1973-06-13
BE773615A (fr) 1972-01-31
ZA715953B (en) 1972-05-31
DK130039C (da) 1975-05-26
AU3325771A (en) 1973-03-15
DE2149431A1 (de) 1972-04-27
NL7113691A (da) 1972-04-11

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