MY102752A - Improvedments relating to the manufacture of tobacco smoke filters - Google Patents

Improvedments relating to the manufacture of tobacco smoke filters

Info

Publication number
MY102752A
MY102752A MYPI88000566A MYPI19880566A MY102752A MY 102752 A MY102752 A MY 102752A MY PI88000566 A MYPI88000566 A MY PI88000566A MY PI19880566 A MYPI19880566 A MY PI19880566A MY 102752 A MY102752 A MY 102752A
Authority
MY
Malaysia
Prior art keywords
improvedments
relating
manufacture
tobacco smoke
smoke filters
Prior art date
Application number
MYPI88000566A
Other languages
English (en)
Inventor
John Stone William
Anthony Luke John
Original Assignee
British American Tobacco Company 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 Company Ltd filed Critical British American Tobacco Company Ltd
Publication of MY102752A publication Critical patent/MY102752A/en

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)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (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)
MYPI88000566A 1987-05-28 1988-05-27 Improvedments relating to the manufacture of tobacco smoke filters MY102752A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
MY102752A true MY102752A (en) 1992-09-30

Family

ID=10618085

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI88000566A MY102752A (en) 1987-05-28 1988-05-27 Improvedments relating to the manufacture of tobacco smoke filters

Country Status (25)

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

Families Citing this family (10)

* 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
US5022964A (en) * 1989-06-06 1991-06-11 The Dexter Corporation Nonwoven fibrous web for tobacco filter
AT396862B (de) * 1991-10-22 1993-12-27 Austria Tabakwerke Ag Verfahren zur herstellung eines zelluloseazetat-kabels und zigarettenfilter daraus
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 (de) * 1995-09-29 1997-04-10 Biotec Biolog Naturverpack Biologisch abbaubares Filtermaterial und Verfahren zu seiner Herstellung
DE10252823A1 (de) 2002-11-13 2004-06-09 Biotec Biologische Naturverpackungen Gmbh & Co. Kg Filterelement
US9226524B2 (en) 2010-03-26 2016-01-05 Philip Morris Usa Inc. Biopolymer foams as filters for smoking articles
CN110604961A (zh) * 2019-09-16 2019-12-24 北京泽阳天成化工技术有限公司 聚丙烯生产工艺中聚合物的分离方法及分离装置

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 (nl) * 1974-09-13 1976-03-16 Toyo Soda Manufacturing Co Ld Werkwijze voor het vervaardigen van een permea- bel produkt en zo verkregen produkt.
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 (de) * 1983-03-23 1988-07-06 Chuo Kagaku Co., Ltd. Herstellung eines Harzschaumes mit wässrigem Medium

Also Published As

Publication number Publication date
NL8801356A (nl) 1988-12-16
IT8820750A0 (it) 1988-05-26
NZ224797A (en) 1990-04-26
DK287988A (da) 1988-11-29
FR2615752B1 (fr) 1992-06-19
DK171907B1 (da) 1997-08-11
AU1659688A (en) 1988-12-01
CH677063A5 (de) 1991-04-15
DK287988D0 (da) 1988-05-26
ES2009926A6 (es) 1989-10-16
GB8812699D0 (en) 1988-06-29
FI882457A (fi) 1988-11-29
ZA883697B (en) 1989-02-22
ATA138888A (de) 1993-11-15
AT397757B (de) 1994-06-27
AU611906B2 (en) 1991-06-27
BE1002913A5 (fr) 1991-08-06
CY1624A (en) 1992-07-10
MW1488A1 (en) 1989-01-11
ZW6988A1 (en) 1989-02-08
HK6192A (en) 1992-01-17
IT1219696B (it) 1990-05-24
AR245876A1 (es) 1994-03-30
GB8712617D0 (en) 1987-07-01
DE3817889A1 (de) 1988-12-15
MX168986B (es) 1993-06-16
FI882457A0 (fi) 1988-05-25
FR2615752A1 (fr) 1988-12-02
GB2205102B (en) 1991-09-18
GB2205102A (en) 1988-11-30
SG97291G (en) 1992-01-17
CA1293098C (en) 1991-12-17
IN171503B (de) 1992-10-31
BR8802665A (pt) 1988-12-27

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