CA1076912A - Filter material - Google Patents

Filter material

Info

Publication number
CA1076912A
CA1076912A CA288,203A CA288203A CA1076912A CA 1076912 A CA1076912 A CA 1076912A CA 288203 A CA288203 A CA 288203A CA 1076912 A CA1076912 A CA 1076912A
Authority
CA
Canada
Prior art keywords
fibrets
cellulose ester
filter
cellulose
sheet
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
CA288,203A
Other languages
English (en)
French (fr)
Inventor
Charles H. Keith
Richard O. Tucker
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.)
Celanese Corp
Original Assignee
Celanese Corp
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 Celanese Corp filed Critical Celanese Corp
Application granted granted Critical
Publication of CA1076912A publication Critical patent/CA1076912A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06Use of materials for tobacco smoke filters
    • A24D3/08Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • A24D3/10Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/16Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/18Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives thereof
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/06Wet spinning methods
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/40Formation of filaments, threads, or the like by applying a shearing force to a dispersion or solution of filament formable polymers, e.g. by stirring
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/24Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
    • D01F2/28Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/02Synthetic cellulose fibres
    • D21H13/06Cellulose esters

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Nonwoven Fabrics (AREA)
  • Filtering Materials (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Artificial Filaments (AREA)
CA288,203A 1976-10-06 1977-10-05 Filter material Expired CA1076912A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73003976A 1976-10-06 1976-10-06

Publications (1)

Publication Number Publication Date
CA1076912A true CA1076912A (en) 1980-05-06

Family

ID=24933659

Family Applications (1)

Application Number Title Priority Date Filing Date
CA288,203A Expired CA1076912A (en) 1976-10-06 1977-10-05 Filter material

Country Status (26)

Country Link
JP (1) JPS5345468A (pt)
AT (1) AT370293B (pt)
AU (1) AU514462B2 (pt)
BE (1) BE859459A (pt)
BG (1) BG28240A3 (pt)
BR (1) BR7706686A (pt)
CA (1) CA1076912A (pt)
DE (1) DE2744796A1 (pt)
DK (1) DK441177A (pt)
ES (1) ES467483A1 (pt)
FI (1) FI772956A (pt)
FR (4) FR2367133A1 (pt)
GB (1) GB1562134A (pt)
GR (1) GR66108B (pt)
IL (1) IL53062A (pt)
IN (1) IN148341B (pt)
IT (1) IT1087755B (pt)
LU (1) LU78254A1 (pt)
NL (1) NL7710795A (pt)
NO (1) NO773391L (pt)
NZ (1) NZ185357A (pt)
PT (1) PT67104B (pt)
SE (1) SE7711170L (pt)
SU (1) SU860678A3 (pt)
TR (1) TR20555A (pt)
ZA (1) ZA775993B (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57147413A (en) * 1981-03-10 1982-09-11 Asahi Chem Ind Co Ltd Filter medium for high-performance air filter and production thereof
TW241198B (en) * 1993-09-06 1995-02-21 Daicel Chem A tobacco filter material and a method of producing the same
CN1219797C (zh) * 1994-09-22 2005-09-21 大世吕化学工业株式会社 纤维素衍生物
JP3420359B2 (ja) * 1994-10-21 2003-06-23 ダイセル化学工業株式会社 たばこ煙用フィルター素材、繊維状セルロースエステル及びその製造方法
DE69520816T2 (de) * 1994-10-31 2001-09-13 Daicel Chem Tabakrauchfiltermaterial und Tabakrauchfilter hergestellt aus diesem Material
JP3606950B2 (ja) * 1995-05-31 2005-01-05 ダイセル化学工業株式会社 たばこフィルターおよびその製造方法
JP3677332B2 (ja) * 1995-10-20 2005-07-27 ダイセル化学工業株式会社 たばこフィルター用素材およびそれを用いたたばこフィルター
DE19753195A1 (de) * 1997-11-21 1999-05-27 Reemtsma H F & Ph Biologisch abbaubarer Filter für Cigaretten
DE19951062C2 (de) * 1999-10-22 2002-04-04 Rhodia Acetow Gmbh Hochleistungs-Zigarettenfilter
US20060021302A1 (en) * 2004-07-30 2006-02-02 Bernard Bobby L Anti-microbial air filter

Also Published As

Publication number Publication date
DK441177A (da) 1978-04-07
SE7711170L (sv) 1978-04-07
NL7710795A (nl) 1978-04-10
FR2381853B1 (pt) 1982-04-02
FR2381480A1 (fr) 1978-09-22
IN148341B (pt) 1981-01-24
DE2744796A1 (de) 1978-04-13
FR2381840A1 (fr) 1978-09-22
SU860678A3 (ru) 1981-08-30
GB1562134A (en) 1980-03-05
AU514462B2 (en) 1981-02-12
BR7706686A (pt) 1979-05-02
NO773391L (no) 1978-04-07
FR2381853A1 (fr) 1978-09-22
BE859459A (fr) 1978-04-06
JPS5345468A (en) 1978-04-24
FR2367133B1 (pt) 1982-03-26
ATA713377A (de) 1982-08-15
ES467483A1 (es) 1978-10-16
GR66108B (pt) 1981-01-16
NZ185357A (en) 1980-05-08
PT67104A (en) 1977-11-01
IL53062A0 (en) 1977-12-30
TR20555A (tr) 1981-11-05
IT1087755B (it) 1985-06-04
AT370293B (de) 1983-03-10
BG28240A3 (en) 1980-03-25
FI772956A (fi) 1978-04-07
IL53062A (en) 1980-09-16
FR2367133A1 (fr) 1978-05-05
ZA775993B (en) 1979-05-30
PT67104B (en) 1979-03-13
AU2929077A (en) 1979-04-05
LU78254A1 (pt) 1978-01-26

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Legal Events

Date Code Title Description
MKEX Expiry