CH518069A - Process for producing a filter element, the smoke filter element thus obtained and its use - Google Patents

Process for producing a filter element, the smoke filter element thus obtained and its use

Info

Publication number
CH518069A
CH518069A CH451670A CH451670A CH518069A CH 518069 A CH518069 A CH 518069A CH 451670 A CH451670 A CH 451670A CH 451670 A CH451670 A CH 451670A CH 518069 A CH518069 A CH 518069A
Authority
CH
Switzerland
Prior art keywords
filter element
producing
smoke
smoke filter
filter
Prior art date
Application number
CH451670A
Other languages
German (de)
Inventor
Dewanmal Changani Pushpkumar
Original Assignee
Monsanto Chemicals
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 Monsanto Chemicals filed Critical Monsanto Chemicals
Publication of CH518069A publication Critical patent/CH518069A/en

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
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0229—Filter rod forming processes
    • A24D3/0237—Filter rod forming processes by extrusion
CH451670A 1969-03-25 1970-03-24 Process for producing a filter element, the smoke filter element thus obtained and its use CH518069A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1561569A GB1271274A (en) 1969-03-25 1969-03-25 Filtering element

Publications (1)

Publication Number Publication Date
CH518069A true CH518069A (en) 1972-01-31

Family

ID=10062335

Family Applications (1)

Application Number Title Priority Date Filing Date
CH451670A CH518069A (en) 1969-03-25 1970-03-24 Process for producing a filter element, the smoke filter element thus obtained and its use

Country Status (9)

Country Link
JP (1) JPS509880B1 (en)
BE (1) BE747829A (en)
BR (1) BR7017718D0 (en)
CH (1) CH518069A (en)
DE (1) DE2013914A1 (en)
ES (1) ES183796Y (en)
FR (1) FR2039851A5 (en)
GB (1) GB1271274A (en)
IT (1) IT968022B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3939237A (en) * 1971-11-19 1976-02-17 Asahi Dow, Ltd. Method of making a fluid transmitting porous tube or sheet
GB1482216A (en) * 1974-04-11 1977-08-10 Monsanto Ltd Cigarette filters
US4282890A (en) * 1978-03-13 1981-08-11 Celanese Corporation Open cell structure foamed cellulose acetate filters
US4180536A (en) 1978-03-13 1979-12-25 Celanese Corporation Process for extruding plasticized open cell foamed cellulose acetate filters
DE10153820A1 (en) 2001-11-05 2003-05-15 Hauni Maschinenbau Ag Filter segments or filters for cigarettes and processes for their manufacture

Also Published As

Publication number Publication date
BE747829A (en) 1970-09-23
ES183796U (en) 1973-08-01
FR2039851A5 (en) 1971-01-15
GB1271274A (en) 1972-04-19
BR7017718D0 (en) 1973-02-01
DE2013914A1 (en) 1970-12-03
ES183796Y (en) 1974-05-16
IT968022B (en) 1974-03-20
JPS509880B1 (en) 1975-04-16

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Legal Events

Date Code Title Description
PL Patent ceased