AU1659688A - Improvements relating to the manufacture of tobacco smoke filters - Google Patents

Improvements relating to the manufacture of tobacco smoke filters

Info

Publication number
AU1659688A
AU1659688A AU16596/88A AU1659688A AU1659688A AU 1659688 A AU1659688 A AU 1659688A AU 16596/88 A AU16596/88 A AU 16596/88A AU 1659688 A AU1659688 A AU 1659688A AU 1659688 A AU1659688 A AU 1659688A
Authority
AU
Australia
Prior art keywords
manufacture
tobacco smoke
improvements relating
smoke filters
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.)
Granted
Application number
AU16596/88A
Other versions
AU611906B2 (en
Inventor
John Anthony Luke
William John Stone
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
Publication of AU1659688A publication Critical patent/AU1659688A/en
Application granted granted Critical
Publication of AU611906B2 publication Critical patent/AU611906B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1669—Cellular material
    • B01D39/1676—Cellular material of synthetic origin
    • 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
    • C08J9/125—Water, e.g. hydrated salts
    • 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
    • C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • 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
    • C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Manufacture Of Tobacco Products (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
AU16596/88A 1987-05-28 1988-05-25 Improvements relating to the manufacture of tobacco smoke filters Ceased AU611906B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB878712617A GB8712617D0 (en) 1987-05-28 1987-05-28 Tobacco smoke filters
GB8712617 1987-05-28

Publications (2)

Publication Number Publication Date
AU1659688A true AU1659688A (en) 1988-12-01
AU611906B2 AU611906B2 (en) 1991-06-27

Family

ID=10618085

Family Applications (1)

Application Number Title Priority Date Filing Date
AU16596/88A Ceased AU611906B2 (en) 1987-05-28 1988-05-25 Improvements relating to the manufacture of tobacco smoke filters

Country Status (25)

Country Link
AR (1) AR245876A1 (en)
AT (1) AT397757B (en)
AU (1) AU611906B2 (en)
BE (1) BE1002913A5 (en)
BR (1) BR8802665A (en)
CA (1) CA1293098C (en)
CH (1) CH677063A5 (en)
CY (1) CY1624A (en)
DE (1) DE3817889A1 (en)
DK (1) DK171907B1 (en)
ES (1) ES2009926A6 (en)
FI (1) FI882457A (en)
FR (1) FR2615752B1 (en)
GB (2) GB8712617D0 (en)
HK (1) HK6192A (en)
IN (1) IN171503B (en)
IT (1) IT1219696B (en)
MW (1) MW1488A1 (en)
MX (1) MX168986B (en)
MY (1) MY102752A (en)
NL (1) NL8801356A (en)
NZ (1) NZ224797A (en)
SG (1) SG97291G (en)
ZA (1) ZA883697B (en)
ZW (1) ZW6988A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU620008B2 (en) * 1989-06-06 1992-02-06 Dexter Corporation, The Nonwoven fibrous web for tobacco filter

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5523036A (en) * 1987-05-28 1996-06-04 British-American Tobacco Company Limited Methods of making tobacco smoke filter elements
US5095054A (en) * 1988-02-03 1992-03-10 Warner-Lambert Company Polymer compositions containing destructurized starch
AT396862B (en) * 1991-10-22 1993-12-27 Austria Tabakwerke Ag METHOD FOR PRODUCING A CELLULOSE ACETATE CABLE AND CIGARETTE FILTER THEREOF
GB9305066D0 (en) 1993-03-12 1993-04-28 British American Tobacco Co Improvements relating to filtration materials
GB9407715D0 (en) * 1994-04-19 1994-06-15 British American Tobacco Co Improvements relating to tobacco smoke filter elements
DE19536505A1 (en) * 1995-09-29 1997-04-10 Biotec Biolog Naturverpack Biodegradable filter material and process for its manufacture
DE10252823A1 (en) * 2002-11-13 2004-06-09 Biotec Biologische Naturverpackungen Gmbh & Co. Kg filter element
US9226524B2 (en) 2010-03-26 2016-01-05 Philip Morris Usa Inc. Biopolymer foams as filters for smoking articles
CN110604961A (en) * 2019-09-16 2019-12-24 北京泽阳天成化工技术有限公司 Method and device for separating polymer in polypropylene production process

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836615A (en) * 1966-07-01 1974-09-17 Celanese Corp Method of forming cylindrical foamed cellulose rods enclosed in a rigid skin
GB1183498A (en) * 1967-10-24 1970-03-04 British American Tobacco Co Improvements relating to Tobacco-Smoke Filters
GB1279803A (en) * 1968-10-30 1972-06-28 Monsanto Chemicals Smoke-filtering elements
GB1319636A (en) * 1969-08-12 1973-06-06 British American Tobacco Co Tobacco smoke filters and filter production
US3800808A (en) * 1971-11-26 1974-04-02 Brown & Williamson Tobacco Tobacco smoke filter
US3976605A (en) * 1974-03-28 1976-08-24 Sumitomo Chemical Company, Limited Foamed plastics of resin compositions comprising pullulan type resins and thermoplastic resins and process for producing the same
GB1482216A (en) * 1974-04-11 1977-08-10 Monsanto Ltd Cigarette filters
NL7503298A (en) * 1974-09-13 1976-03-16 Toyo Soda Manufacturing Co Ld PROCEDURE FOR MANUFACTURE OF A PERMEABEL PRODUCT AND PRODUCT SUCHAINED.
US4180536A (en) * 1978-03-13 1979-12-25 Celanese Corporation Process for extruding plasticized open cell foamed cellulose acetate filters
US4411280A (en) * 1981-09-11 1983-10-25 Celanese Corporation Ventilated thermoplastic polymer foam filter rods
EP0122460B1 (en) * 1983-03-23 1988-07-06 Chuo Kagaku Co., Ltd. Production of resin foam by aqueous medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU620008B2 (en) * 1989-06-06 1992-02-06 Dexter Corporation, The Nonwoven fibrous web for tobacco filter

Also Published As

Publication number Publication date
GB8812699D0 (en) 1988-06-29
CA1293098C (en) 1991-12-17
IT8820750A0 (en) 1988-05-26
MX168986B (en) 1993-06-16
BE1002913A5 (en) 1991-08-06
BR8802665A (en) 1988-12-27
DK287988D0 (en) 1988-05-26
AR245876A1 (en) 1994-03-30
FR2615752A1 (en) 1988-12-02
GB2205102B (en) 1991-09-18
IT1219696B (en) 1990-05-24
CY1624A (en) 1992-07-10
GB8712617D0 (en) 1987-07-01
NZ224797A (en) 1990-04-26
IN171503B (en) 1992-10-31
MY102752A (en) 1992-09-30
NL8801356A (en) 1988-12-16
FI882457A0 (en) 1988-05-25
DE3817889A1 (en) 1988-12-15
CH677063A5 (en) 1991-04-15
SG97291G (en) 1992-01-17
ES2009926A6 (en) 1989-10-16
AU611906B2 (en) 1991-06-27
FR2615752B1 (en) 1992-06-19
HK6192A (en) 1992-01-17
ATA138888A (en) 1993-11-15
AT397757B (en) 1994-06-27
DK171907B1 (en) 1997-08-11
GB2205102A (en) 1988-11-30
MW1488A1 (en) 1989-01-11
ZW6988A1 (en) 1989-02-08
FI882457A (en) 1988-11-29
ZA883697B (en) 1989-02-22
DK287988A (en) 1988-11-29

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired