[go: up one dir, main page]

BR8802665A - METHOD FOR MANUFACTURING FOAM SHAPED FILTRATION MATERIAL - Google Patents

METHOD FOR MANUFACTURING FOAM SHAPED FILTRATION MATERIAL

Info

Publication number
BR8802665A
BR8802665A BR8802665A BR8802665A BR8802665A BR 8802665 A BR8802665 A BR 8802665A BR 8802665 A BR8802665 A BR 8802665A BR 8802665 A BR8802665 A BR 8802665A BR 8802665 A BR8802665 A BR 8802665A
Authority
BR
Brazil
Prior art keywords
filtration material
shaped filtration
manufacturing foam
foam shaped
manufacturing
Prior art date
Application number
BR8802665A
Other languages
Portuguese (pt)
Inventor
John Anthony Luke
Original Assignee
British American Tobacco Co
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 filed Critical British American Tobacco Co
Publication of BR8802665A publication Critical patent/BR8802665A/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)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Tobacco Products (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
BR8802665A 1987-05-28 1988-05-27 METHOD FOR MANUFACTURING FOAM SHAPED FILTRATION MATERIAL BR8802665A (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
BR8802665A true BR8802665A (en) 1988-12-27

Family

ID=10618085

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8802665A BR8802665A (en) 1987-05-28 1988-05-27 METHOD FOR MANUFACTURING FOAM SHAPED FILTRATION MATERIAL

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) FI882457A7 (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)

Families Citing this family (11)

* 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 (en) * 1991-10-22 1993-12-27 Austria Tabakwerke Ag METHOD FOR PRODUCING A CELLULOSE ACETATE CABLE AND CIGARETTE FILTER THEREOF
JP3130938B2 (en) 1991-10-22 2001-01-31 オーストリア・タバクヴェルケ・アクチエンゲゼルシャフトヴォマー・オーシュターライヒッシェ・タバコレジー Cigarette filter
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 Corp 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
DE3472565D1 (en) * 1983-03-23 1988-08-11 Chuo Kagaku Co Production of resin foam by aqueous medium

Also Published As

Publication number Publication date
AR245876A1 (en) 1994-03-30
FI882457L (en) 1988-11-29
NZ224797A (en) 1990-04-26
GB2205102A (en) 1988-11-30
NL8801356A (en) 1988-12-16
ES2009926A6 (en) 1989-10-16
IT8820750A0 (en) 1988-05-26
IN171503B (en) 1992-10-31
CH677063A5 (en) 1991-04-15
IT1219696B (en) 1990-05-24
GB2205102B (en) 1991-09-18
AU611906B2 (en) 1991-06-27
DK287988A (en) 1988-11-29
DE3817889A1 (en) 1988-12-15
MW1488A1 (en) 1989-01-11
ZW6988A1 (en) 1989-02-08
SG97291G (en) 1992-01-17
FI882457A0 (en) 1988-05-25
DK171907B1 (en) 1997-08-11
FR2615752A1 (en) 1988-12-02
ATA138888A (en) 1993-11-15
AT397757B (en) 1994-06-27
GB8812699D0 (en) 1988-06-29
GB8712617D0 (en) 1987-07-01
AU1659688A (en) 1988-12-01
HK6192A (en) 1992-01-17
MY102752A (en) 1992-09-30
CA1293098C (en) 1991-12-17
CY1624A (en) 1992-07-10
FI882457A7 (en) 1988-11-29
DK287988D0 (en) 1988-05-26
MX168986B (en) 1993-06-16
FR2615752B1 (en) 1992-06-19
ZA883697B (en) 1989-02-22
BE1002913A5 (en) 1991-08-06

Similar Documents

Publication Publication Date Title
BR8702050A (en) METHOD FOR MANUFACTURING MODELED ITEMS
ES525773A0 (en) METHOD FOR PRODUCING RIGID POLYURETHANE FOAM
KR870700656A (en) Method for manufacturing rigid polyurethane foam and precursor composition thereof
DE3462455D1 (en) Method for manufacturing decorative moulding
BR8402443A (en) CIGARETTE MANUFACTURING MACHINE
BR8802665A (en) METHOD FOR MANUFACTURING FOAM SHAPED FILTRATION MATERIAL
BR8305470A (en) METHOD FOR MOLDING FELTED ITEMS
ES534770A0 (en) IMPROVEMENTS IN A DEVICE FOR THE MANUFACTURE OF BARQUILLO BLOCKS
FI922619L (en) Method for manufacturing network-structured foam plastic
DE68925774D1 (en) Finishing method for crystalline material
IT8520500A0 (en) ARTICLES IN COMPOUND FOAM MATERIAL AND METHOD FOR THEIR MANUFACTURE.
ES2013757B3 (en) APPARATUS FOR CUTTING MATERIAL IN THE FORM OF SHEET.
ES550166A0 (en) A PROCEDURE FOR PRODUCING A POLYURETHANE FOAM
BR8807493A (en) METHOD FOR FLOATING ALCATRAO FOAM
BR8400909A (en) METHOD FOR THE MANUFACTURE OF INK RUBBER ARTICLES
ES536949A0 (en) PROCEDURE FOR THE IMPLEMENTATION OF HAIR IN A LEAF SUPPORT
BR6300389U (en) SHAPE FOR PAVING BLOCKS
ES556299A0 (en) APPARATUS FOR MANUFACTURING POLYURETHANE FOAM SHEETS
ES527736A0 (en) PROCEDURE FOR PREPARING HYDROXY-ALKYL PHENOXY-BENZOATES
BR6300556U (en) SHAPE FOR HAMBURGER
MX159466A (en) METHOD FOR FORMING AND HAVING CUSHION ITEMS
ES530294A0 (en) IMPROVEMENTS INTRODUCED IN A METHOD FOR THE PRODUCTION OF CEPHALOSPONICA C.
BR6401850U (en) PROVISIONS INTRODUCED IN FORM FOR FOOTWEAR INTERIOR
BR6402026U (en) PROVISIONS INTRODUCED IN FORM FOR FOOTWEAR INTERIOR
BR6701445U (en) FORM FOR MAKING PASTE

Legal Events

Date Code Title Description
TC Change of name
TE Change of address
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 27/05/2003