CA2177496C - Filtres pour cigarettes - Google Patents
Filtres pour cigarettes Download PDFInfo
- Publication number
- CA2177496C CA2177496C CA002177496A CA2177496A CA2177496C CA 2177496 C CA2177496 C CA 2177496C CA 002177496 A CA002177496 A CA 002177496A CA 2177496 A CA2177496 A CA 2177496A CA 2177496 C CA2177496 C CA 2177496C
- Authority
- CA
- Canada
- Prior art keywords
- paper
- filter
- cigarette
- fibres
- 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.)
- Expired - Fee Related
Links
- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 52
- 229920000433 Lyocell Polymers 0.000 claims abstract description 27
- 229920001131 Pulp (paper) Polymers 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 9
- 229920002301 cellulose acetate Polymers 0.000 claims description 4
- 239000000835 fiber Substances 0.000 description 15
- 230000014759 maintenance of location Effects 0.000 description 15
- 238000012384 transportation and delivery Methods 0.000 description 11
- 238000009423 ventilation Methods 0.000 description 11
- 238000010276 construction Methods 0.000 description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 7
- 241000208125 Nicotiana Species 0.000 description 6
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 4
- 229960002715 nicotine Drugs 0.000 description 4
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 150000003512 tertiary amines Chemical class 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000001112 coagulating effect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 229920000875 Dissolving pulp Polymers 0.000 description 1
- LFTLOKWAGJYHHR-UHFFFAOYSA-N N-methylmorpholine N-oxide Chemical compound CN1(=O)CCOCC1 LFTLOKWAGJYHHR-UHFFFAOYSA-N 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- YBCVMFKXIKNREZ-UHFFFAOYSA-N acoh acetic acid Chemical compound CC(O)=O.CC(O)=O YBCVMFKXIKNREZ-UHFFFAOYSA-N 0.000 description 1
- 206010061592 cardiac fibrillation Diseases 0.000 description 1
- 238000010961 commercial manufacture process Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002600 fibrillogenic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
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
-
- 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
-
- 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
- D21H13/08—Synthetic cellulose fibres from regenerated cellulose
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Materials Engineering (AREA)
- Paper (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
Dans un filtre pour cigarettes, le corps du filtre comprend un papier consistant essentiellement en des fibres "lyocell" ou en contenant. L'invention concerne aussi une cigarette dotée d'un tel filtre.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB939324464A GB9324464D0 (en) | 1993-11-29 | 1993-11-29 | Cigarette filters |
| GB9324464.8 | 1993-11-29 | ||
| GB9410028.6 | 1994-05-19 | ||
| GB9410028A GB9410028D0 (en) | 1994-05-19 | 1994-05-19 | Filters and cigarettes containing them |
| GB9418544.4 | 1994-09-15 | ||
| GB9418544A GB9418544D0 (en) | 1994-09-15 | 1994-09-15 | Filters and cigarettes containing such filters |
| PCT/GB1994/002581 WO1995014398A1 (fr) | 1993-11-29 | 1994-11-24 | Filtres pour cigarettes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2177496A1 CA2177496A1 (fr) | 1995-06-01 |
| CA2177496C true CA2177496C (fr) | 2007-06-05 |
Family
ID=38137565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002177496A Expired - Fee Related CA2177496C (fr) | 1993-11-29 | 1994-11-24 | Filtres pour cigarettes |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2177496C (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104872816B (zh) * | 2015-03-31 | 2018-08-14 | 湖南中烟工业有限责任公司 | 一种用lyocell丝束制备卷烟滤棒的方法 |
-
1994
- 1994-11-24 CA CA002177496A patent/CA2177496C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2177496A1 (fr) | 1995-06-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |