CA1076912A - Filter material - Google Patents
Filter materialInfo
- 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
Links
Classifications
-
- 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
- A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
-
- 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
- B01D39/18—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives thereof
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/06—Wet spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/40—Formation of filaments, threads, or the like by applying a shearing force to a dispersion or solution of filament formable polymers, e.g. by stirring
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
- D01F2/28—Monocomponent 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
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP 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
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/02—Synthetic cellulose fibres
- D21H13/06—Cellulose 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)
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)
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 |
-
1977
- 1977-09-30 AU AU29290/77A patent/AU514462B2/en not_active Expired
- 1977-09-30 GB GB40722/77A patent/GB1562134A/en not_active Expired
- 1977-10-03 NL NL7710795A patent/NL7710795A/xx not_active Application Discontinuation
- 1977-10-03 IT IT28219/77A patent/IT1087755B/it active
- 1977-10-03 PT PT67104A patent/PT67104B/pt unknown
- 1977-10-04 TR TR20555A patent/TR20555A/xx unknown
- 1977-10-04 GR GR54495A patent/GR66108B/el unknown
- 1977-10-05 JP JP11911477A patent/JPS5345468A/ja active Pending
- 1977-10-05 CA CA288,203A patent/CA1076912A/en not_active Expired
- 1977-10-05 NO NO773391A patent/NO773391L/no unknown
- 1977-10-05 LU LU78254A patent/LU78254A1/xx unknown
- 1977-10-05 DK DK441177A patent/DK441177A/da unknown
- 1977-10-05 DE DE19772744796 patent/DE2744796A1/de not_active Withdrawn
- 1977-10-05 BG BG7737507A patent/BG28240A3/xx unknown
- 1977-10-05 NZ NZ185357A patent/NZ185357A/xx unknown
- 1977-10-05 FR FR7730010A patent/FR2367133A1/fr active Granted
- 1977-10-05 SE SE7711170A patent/SE7711170L/xx unknown
- 1977-10-06 ZA ZA00775993A patent/ZA775993B/xx unknown
- 1977-10-06 AT AT0713377A patent/AT370293B/de not_active IP Right Cessation
- 1977-10-06 SU SU772534605A patent/SU860678A3/ru active
- 1977-10-06 IL IL53062A patent/IL53062A/xx unknown
- 1977-10-06 FI FI772956A patent/FI772956A/fi not_active Application Discontinuation
- 1977-10-06 BR BR7706686A patent/BR7706686A/pt unknown
- 1977-10-06 BE BE181523A patent/BE859459A/xx unknown
- 1977-11-02 IN IN1574/CAL/77A patent/IN148341B/en unknown
-
1978
- 1978-03-02 ES ES0467483A patent/ES467483A1/es not_active Expired
- 1978-04-25 FR FR7812163A patent/FR2381853A1/fr active Granted
- 1978-04-25 FR FR7812164A patent/FR2381480A1/fr not_active Withdrawn
- 1978-04-25 FR FR7812165A patent/FR2381840A1/fr active Pending
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4274914A (en) | Filter material | |
US4192838A (en) | Process for producing filter material | |
US4283186A (en) | Method of forming cigarette filter material | |
KR0152080B1 (ko) | 담배필터용 부직 섬유웨브 | |
US20230248053A1 (en) | Tobacco smoke filter | |
US5863652A (en) | Tobacco smoke filter materials, fibrous cellulose esters, and production processes | |
AU764251B2 (en) | High performance cigarette filter | |
US4007745A (en) | Filter | |
CA1076912A (en) | Filter material | |
CN102551208A (zh) | 香烟过滤嘴及其制造方法、以及香烟 | |
US4357379A (en) | Melt blown product | |
US4267002A (en) | Melt blowing process | |
US3346682A (en) | Method for making a filtering medium from plexifilamentary material | |
JP3939823B2 (ja) | フィルター素材およびたばこ煙用フィルター | |
KR800001521B1 (ko) | 필터 시이트 재료의 제조방법 | |
JP3531765B2 (ja) | たばこフィルター | |
JP4709337B2 (ja) | セルロースエステル微小繊維及びそれを用いたたばこ煙用フィルター素材 | |
JPH09316792A (ja) | たばこフィルター用巻紙及びそれを用いたたばこフィルター | |
JP2001095551A (ja) | タバコフィルター材料、および、その材料を用いたタバコフィルター、並びに、それらの製造方法。 | |
EP4359592A1 (en) | High population of closed c-shaped fibers | |
CA1257520A (en) | Thermally bonded polyolefin gas filters | |
JP2000084323A (ja) | エアーフィルターとタバコ用フィルター及び同フィルターを備えたタバコシガレット | |
JP2000282322A (ja) | セルロースアセテートフィブリル及びその製造方法並びにその賦形口金 | |
JPH10317297A (ja) | セルロースエステル含有シート、及び、その製造方法 | |
JPS6111588B2 (pt) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |