CA1024032A - Cigarette filter - Google Patents

Cigarette filter

Info

Publication number
CA1024032A
CA1024032A CA223,119A CA223119A CA1024032A CA 1024032 A CA1024032 A CA 1024032A CA 223119 A CA223119 A CA 223119A CA 1024032 A CA1024032 A CA 1024032A
Authority
CA
Canada
Prior art keywords
cigarette filter
cigarette
filter
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
CA223,119A
Other languages
English (en)
French (fr)
Inventor
Arno Holst
Michael Kostrzewa
Helmut Lask
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of CA1024032A publication Critical patent/CA1024032A/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
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
CA223,119A 1974-03-28 1975-03-26 Cigarette filter Expired CA1024032A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH430074A CH583529A5 (nl) 1974-03-28 1974-03-28

Publications (1)

Publication Number Publication Date
CA1024032A true CA1024032A (en) 1978-01-10

Family

ID=4273515

Family Applications (1)

Application Number Title Priority Date Filing Date
CA223,119A Expired CA1024032A (en) 1974-03-28 1975-03-26 Cigarette filter

Country Status (15)

Country Link
US (1) US4015611A (nl)
JP (1) JPS50132197A (nl)
AT (1) AT337062B (nl)
AU (1) AU7951575A (nl)
BE (1) BE827144A (nl)
CA (1) CA1024032A (nl)
CH (1) CH583529A5 (nl)
DE (2) DE2512511C3 (nl)
DK (1) DK129875A (nl)
FR (1) FR2265291B1 (nl)
GB (2) GB1500921A (nl)
LU (1) LU72140A1 (nl)
NL (1) NL7503205A (nl)
SE (1) SE7503288L (nl)
ZA (1) ZA751935B (nl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH586518A5 (nl) * 1975-10-10 1977-04-15 Hoechst Ag
US4140135A (en) * 1975-12-29 1979-02-20 Gulf & Western Corporation Hydrophobic coating for tobacco sheet material
DE2606855C2 (de) * 1976-02-20 1982-12-02 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Propionsäure-3,4-dichloranilid
FR2412272A1 (fr) * 1977-12-23 1979-07-20 Job Ets Bardou Job Pauilhac Procede pour la realisation de filtres a cigarettes et filtres ainsi obtenus
NO154418C (no) * 1978-11-30 1986-09-17 Siren M J O Filtermateriale.
US5817159A (en) * 1996-12-31 1998-10-06 Cahill; Scott A. Filter with interpenetrating polymer network that biodegrades
MX2017008578A (es) * 2014-12-29 2017-10-20 Philip Morris Products Sa Filtro hidrofobo.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2968306A (en) * 1956-02-29 1961-01-17 Eastman Kodak Co Tobacco smoke filter capable of selective removal of aldehydes

Also Published As

Publication number Publication date
GB1500921A (en) 1978-02-15
DE2559542A1 (de) 1977-02-10
DE2559542C3 (de) 1979-05-03
NL7503205A (nl) 1975-09-30
CH583529A5 (nl) 1977-01-14
SE7503288L (nl) 1975-09-29
BE827144A (fr) 1975-09-25
DE2559542B2 (de) 1978-09-07
AU7951575A (en) 1976-09-30
DK129875A (nl) 1975-09-29
DE2512511A1 (de) 1975-10-02
DE2512511C3 (de) 1978-06-01
AT337062B (de) 1977-06-10
ATA230375A (de) 1976-09-15
DE2512511B2 (de) 1977-10-13
FR2265291B1 (nl) 1978-02-03
FR2265291A1 (nl) 1975-10-24
GB1500922A (en) 1978-02-15
JPS50132197A (nl) 1975-10-20
LU72140A1 (nl) 1977-02-01
US4015611A (en) 1977-04-05
ZA751935B (en) 1976-02-25

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