DE2156375C3 - Zigarettenfilter und Verfahren zu seiner Herstellung - Google Patents

Zigarettenfilter und Verfahren zu seiner Herstellung

Info

Publication number
DE2156375C3
DE2156375C3 DE2156375A DE2156375A DE2156375C3 DE 2156375 C3 DE2156375 C3 DE 2156375C3 DE 2156375 A DE2156375 A DE 2156375A DE 2156375 A DE2156375 A DE 2156375A DE 2156375 C3 DE2156375 C3 DE 2156375C3
Authority
DE
Germany
Prior art keywords
cigarette
filter
cell
foamed
foam
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
DE2156375A
Other languages
German (de)
English (en)
Other versions
DE2156375A1 (de
DE2156375B2 (de
Inventor
Samuel Penhow Monmouthshire Baxter
Pushpkumar Dewanmal Glasgow Schottland Changani
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.)
Monsanto Ltd
Original Assignee
Monsanto 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 Monsanto Ltd filed Critical Monsanto Ltd
Publication of DE2156375A1 publication Critical patent/DE2156375A1/de
Publication of DE2156375B2 publication Critical patent/DE2156375B2/de
Application granted granted Critical
Publication of DE2156375C3 publication Critical patent/DE2156375C3/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Filtering Materials (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Molding Of Porous Articles (AREA)
DE2156375A 1970-11-18 1971-11-12 Zigarettenfilter und Verfahren zu seiner Herstellung Expired DE2156375C3 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB5480670 1970-11-18
GB5870070 1970-12-10
GB964671 1971-04-16

Publications (3)

Publication Number Publication Date
DE2156375A1 DE2156375A1 (de) 1972-05-31
DE2156375B2 DE2156375B2 (de) 1980-05-29
DE2156375C3 true DE2156375C3 (de) 1981-02-19

Family

ID=27255404

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2156375A Expired DE2156375C3 (de) 1970-11-18 1971-11-12 Zigarettenfilter und Verfahren zu seiner Herstellung

Country Status (13)

Country Link
JP (2) JPS577172B1 (enExample)
AT (1) AT315709B (enExample)
BE (1) BE775476A (enExample)
CH (1) CH546543A (enExample)
DE (1) DE2156375C3 (enExample)
DK (1) DK133125C (enExample)
FR (1) FR2114696A5 (enExample)
IE (1) IE36798B1 (enExample)
IL (1) IL38123A (enExample)
IT (1) IT950514B (enExample)
NL (1) NL170916C (enExample)
NO (1) NO133088C (enExample)
SE (1) SE400457B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1482216A (en) * 1974-04-11 1977-08-10 Monsanto Ltd Cigarette filters
CA2401228A1 (en) * 2000-03-17 2001-09-27 Dow Global Technologies Inc. Polyolefin foam useful for sound and thermal insulation
EP3915406A4 (en) * 2019-01-25 2022-11-02 Japan Tobacco Inc. FILTER FOR SMOKING ARTICLE

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2972554A (en) * 1955-05-23 1961-02-21 Fiber Bond Corp Pad and method of making same

Also Published As

Publication number Publication date
IT950514B (it) 1973-06-20
DK133125C (da) 1976-08-30
IE36798B1 (en) 1977-03-02
NL7115391A (enExample) 1972-05-23
JPS5411299A (en) 1979-01-27
NL170916C (nl) 1983-01-17
IL38123A (en) 1975-03-13
JPS577172B1 (enExample) 1982-02-09
IL38123A0 (en) 1972-01-27
NO133088B (enExample) 1975-12-01
AT315709B (de) 1974-06-10
DE2156375A1 (de) 1972-05-31
IE36798L (en) 1972-05-18
NL170916B (nl) 1982-08-16
SE400457B (sv) 1978-04-03
AU3563971A (en) 1973-05-17
DE2156375B2 (de) 1980-05-29
FR2114696A5 (en) 1972-06-30
BE775476A (fr) 1972-05-17
CH546543A (de) 1974-03-15
NO133088C (enExample) 1976-03-10
DK133125B (da) 1976-03-29

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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