DE2257766C3 - Zigarettenfilter - Google Patents

Zigarettenfilter

Info

Publication number
DE2257766C3
DE2257766C3 DE19722257766 DE2257766A DE2257766C3 DE 2257766 C3 DE2257766 C3 DE 2257766C3 DE 19722257766 DE19722257766 DE 19722257766 DE 2257766 A DE2257766 A DE 2257766A DE 2257766 C3 DE2257766 C3 DE 2257766C3
Authority
DE
Germany
Prior art keywords
filter
cigarette
filters
bark
cigarette 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
DE19722257766
Other languages
German (de)
English (en)
Other versions
DE2257766B2 (de
DE2257766A1 (de
Inventor
Karel Roztoky Janouschek
Miroslav Kutna Hora Papanek
Jaroslav Dr.-Ing. Prag Schischka
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.)
VYZKUMNY USTAV CHEMICKYCH ZARIZENI BRNO BRUENN-KRALOVO POLE (TSCHECHOSLOWAKEI)
Original Assignee
VYZKUMNY USTAV CHEMICKYCH ZARIZENI BRNO BRUENN-KRALOVO POLE (TSCHECHOSLOWAKEI)
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 VYZKUMNY USTAV CHEMICKYCH ZARIZENI BRNO BRUENN-KRALOVO POLE (TSCHECHOSLOWAKEI) filed Critical VYZKUMNY USTAV CHEMICKYCH ZARIZENI BRNO BRUENN-KRALOVO POLE (TSCHECHOSLOWAKEI)
Publication of DE2257766A1 publication Critical patent/DE2257766A1/de
Publication of DE2257766B2 publication Critical patent/DE2257766B2/de
Application granted granted Critical
Publication of DE2257766C3 publication Critical patent/DE2257766C3/de
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
    • A24D3/14—Use of materials for tobacco smoke filters of organic materials as additive

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
DE19722257766 1971-11-25 1972-11-24 Zigarettenfilter Expired DE2257766C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS8241A CS165807B1 (OSRAM) 1971-11-25 1971-11-25

Publications (3)

Publication Number Publication Date
DE2257766A1 DE2257766A1 (de) 1975-03-13
DE2257766B2 DE2257766B2 (de) 1979-08-23
DE2257766C3 true DE2257766C3 (de) 1980-04-30

Family

ID=5432716

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722257766 Expired DE2257766C3 (de) 1971-11-25 1972-11-24 Zigarettenfilter

Country Status (5)

Country Link
CH (1) CH543245A (OSRAM)
CS (1) CS165807B1 (OSRAM)
DD (1) DD101283A5 (OSRAM)
DE (1) DE2257766C3 (OSRAM)
SE (1) SE383955B (OSRAM)

Also Published As

Publication number Publication date
CS165807B1 (OSRAM) 1975-12-22
CH543245A (de) 1973-10-31
DD101283A5 (OSRAM) 1973-11-05
SE383955B (sv) 1976-04-12
DE2257766B2 (de) 1979-08-23
DE2257766A1 (de) 1975-03-13

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee