CA2007022C - Coaxial filter cigarette - Google Patents
Coaxial filter cigaretteInfo
- Publication number
- CA2007022C CA2007022C CA002007022A CA2007022A CA2007022C CA 2007022 C CA2007022 C CA 2007022C CA 002007022 A CA002007022 A CA 002007022A CA 2007022 A CA2007022 A CA 2007022A CA 2007022 C CA2007022 C CA 2007022C
- Authority
- CA
- Canada
- Prior art keywords
- filter
- wrapper
- rod portion
- coaxial
- inner core
- 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 38
- 239000000463 material Substances 0.000 claims abstract description 41
- 239000000779 smoke Substances 0.000 claims abstract description 26
- 241000208125 Nicotiana Species 0.000 claims abstract description 22
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims abstract description 22
- 239000000443 aerosol Substances 0.000 claims abstract description 13
- 238000009423 ventilation Methods 0.000 claims description 23
- 238000009792 diffusion process Methods 0.000 claims description 15
- 238000002485 combustion reaction Methods 0.000 claims description 13
- 239000000654 additive Substances 0.000 claims description 8
- 230000035699 permeability Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 5
- 239000000567 combustion gas Substances 0.000 abstract 1
- 229940008126 aerosol Drugs 0.000 description 9
- 230000001276 controlling effect Effects 0.000 description 6
- 229940081735 acetylcellulose Drugs 0.000 description 5
- 229920002301 cellulose acetate Polymers 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000020169 heat generation Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 239000000543 intermediate Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 206010061218 Inflammation Diseases 0.000 description 2
- 229910052729 chemical element Inorganic materials 0.000 description 2
- 230000004054 inflammatory process Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- ZAMLGGRVTAXBHI-UHFFFAOYSA-N 3-(4-bromophenyl)-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid Chemical compound CC(C)(C)OC(=O)NC(CC(O)=O)C1=CC=C(Br)C=C1 ZAMLGGRVTAXBHI-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000019506 cigar Nutrition 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229940000425 combination drug Drugs 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000002757 inflammatory effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- GPKJTRJOBQGKQK-UHFFFAOYSA-N quinacrine Chemical compound C1=C(OC)C=C2C(NC(C)CCCN(CC)CC)=C(C=CC(Cl)=C3)C3=NC2=C1 GPKJTRJOBQGKQK-UHFFFAOYSA-N 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000126 substance 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
- A24D1/00—Cigars; Cigarettes
-
- 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
- A24D3/04—Tobacco smoke filters characterised by their shape or structure
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3901226A DE3901226C1 (enrdf_load_stackoverflow) | 1989-01-17 | 1989-01-17 | |
| DEP3901226.3 | 1989-01-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2007022A1 CA2007022A1 (en) | 1990-07-17 |
| CA2007022C true CA2007022C (en) | 1996-09-03 |
Family
ID=6372241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002007022A Expired - Fee Related CA2007022C (en) | 1989-01-17 | 1990-01-03 | Coaxial filter cigarette |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0378788B1 (enrdf_load_stackoverflow) |
| JP (1) | JP2594657B2 (enrdf_load_stackoverflow) |
| AT (1) | ATE96288T1 (enrdf_load_stackoverflow) |
| AU (1) | AU621451B2 (enrdf_load_stackoverflow) |
| CA (1) | CA2007022C (enrdf_load_stackoverflow) |
| DE (2) | DE3901226C1 (enrdf_load_stackoverflow) |
| DK (1) | DK173403B1 (enrdf_load_stackoverflow) |
| FI (1) | FI89552C (enrdf_load_stackoverflow) |
| MY (1) | MY105180A (enrdf_load_stackoverflow) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MY103663A (en) * | 1987-12-22 | 1993-08-28 | Bat Cigarettenfab Gmbh | Coaxial cigarette. |
| AU635095B2 (en) * | 1990-08-24 | 1993-03-11 | Philip Morris Products Inc. | Concentric smoking filter having discrete tow and web filter media |
| US5365951A (en) * | 1990-08-24 | 1994-11-22 | Philip Morris Incorporated | Concentric smoking filter having cellulose acetate tow periphery and carbon-particle-loaded web filter core |
| US5746230A (en) * | 1990-08-24 | 1998-05-05 | Philip Morris Incorporated | Concentric smoking filter having discrete tow and web filter media |
| US5105838A (en) * | 1990-10-23 | 1992-04-21 | R.J. Reynolds Tobacco Company | Cigarette |
| DE4107026C1 (en) * | 1991-03-01 | 1992-03-12 | H.F. & Ph.F. Reemtsma Gmbh & Co, 2000 Hamburg, De | Individual cigarette making kit - has highly porous areas in paper and tobacco plug |
| DE4107522C2 (de) * | 1991-03-08 | 1994-02-17 | Bat Cigarettenfab Gmbh | Koaxialcigarette |
| DE4127420C2 (de) * | 1991-08-19 | 1996-07-25 | Bat Cigarettenfab Gmbh | Koaxiale Filtercigarette |
| DE4321069C2 (de) * | 1993-06-24 | 1998-09-10 | Bat Cigarettenfab Gmbh | Koaxiale Filtercigarette |
| DE59506078D1 (de) | 1994-07-19 | 1999-07-08 | Bat Cigarettenfab Gmbh | Tabakpatrone |
| DE19703003A1 (de) | 1997-01-28 | 1998-07-30 | Bat Cigarettenfab Gmbh | Cigarette mit reduzierter Fleckenbildung und vermindertem Nebenstromrauch |
| DE19722812C2 (de) | 1997-05-30 | 2003-02-13 | Bat Cigarettenfab Gmbh | Ultraleicht-Koaxialcigarette mit mehrteiligem Filter |
| DE19757712C1 (de) * | 1997-12-23 | 1999-06-24 | Bat Cigarettenfab Gmbh | Koaxialcigarette mit Querstromsperre und Verfahren zur Herstellung einer Koaxialcigarette |
| US6345625B1 (en) | 1997-12-06 | 2002-02-12 | Kar Eng Chew | Filter for secondary smoke and smoking articles incorporating the same |
| US7503330B2 (en) | 2003-09-30 | 2009-03-17 | R.J. Reynolds Tobacco Company | Smokable rod for a cigarette |
| EP1670326B1 (en) * | 2003-09-30 | 2007-02-21 | R.J. Reynolds Tobacco Company | Smokable rod for a cigarette |
| US11602164B2 (en) * | 2019-03-14 | 2023-03-14 | Rai Strategic Holdings, Inc. | Aerosol delivery device with graded porosity from inner to outer wall surfaces |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR998556A (fr) * | 1945-10-29 | 1952-01-21 | Papeteries De Mauduit Sa Des | Cigarette |
| FR1322254A (fr) * | 1962-02-14 | 1963-03-29 | Cigare à deux étages et cigarette à deux étages | |
| US3356094A (en) * | 1965-09-22 | 1967-12-05 | Battelle Memorial Institute | Smoking devices |
| GB1086443A (en) * | 1966-05-03 | 1967-10-11 | James Alexander Everet Bell | Cigarette |
| GB1228747A (enrdf_load_stackoverflow) * | 1967-09-07 | 1971-04-15 | ||
| DE2620335A1 (de) * | 1976-05-07 | 1977-11-24 | Brasec Gmbh Chemisch Physikali | Schadstoffarme tabakwaren |
| US4219031A (en) * | 1979-03-05 | 1980-08-26 | Philip Morris Incorporated | Smoking product having core of fibrillar carbonized matter |
| US4291711A (en) * | 1979-03-27 | 1981-09-29 | American Filtrona Corporation | Tobacco smoke filter providing tobacco flavor enrichment, and method for producing same |
| GB2070409A (en) * | 1980-01-18 | 1981-09-09 | British American Tobacco Co | Filament, comprising smoke- modifying agent, in smoking article |
| GB2069310B (en) * | 1980-02-20 | 1983-09-14 | Molins Ltd | Manufacture of cigarettes |
| GB2119221B (en) * | 1982-04-05 | 1986-05-29 | Filtrona Ltd | Cigarette filter |
| GB8502651D0 (en) * | 1985-02-01 | 1985-03-06 | British American Tobacco Co | Smoking articles |
| DE3743597C1 (de) * | 1987-12-22 | 1989-02-16 | Bat Cigarettenfab Gmbh | Koaxialcigarette |
| MY103663A (en) * | 1987-12-22 | 1993-08-28 | Bat Cigarettenfab Gmbh | Coaxial cigarette. |
-
1989
- 1989-01-17 DE DE3901226A patent/DE3901226C1/de not_active Expired - Lifetime
- 1989-11-27 EP EP89121849A patent/EP0378788B1/de not_active Expired - Lifetime
- 1989-11-27 AT AT89121849T patent/ATE96288T1/de not_active IP Right Cessation
- 1989-11-27 DE DE89121849T patent/DE58906030D1/de not_active Expired - Lifetime
-
1990
- 1990-01-03 CA CA002007022A patent/CA2007022C/en not_active Expired - Fee Related
- 1990-01-11 FI FI900155A patent/FI89552C/fi active IP Right Grant
- 1990-01-11 DK DK199000073A patent/DK173403B1/da not_active IP Right Cessation
- 1990-01-15 MY MYPI90000061A patent/MY105180A/en unknown
- 1990-01-16 AU AU48501/90A patent/AU621451B2/en not_active Expired
- 1990-01-16 JP JP2006979A patent/JP2594657B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| AU621451B2 (en) | 1992-03-12 |
| DE3901226C1 (enrdf_load_stackoverflow) | 1990-07-26 |
| HK1005842A1 (en) | 1999-01-29 |
| MY105180A (en) | 1994-08-30 |
| FI900155L (fi) | 1990-07-18 |
| FI89552B (fi) | 1993-07-15 |
| DK7390D0 (da) | 1990-01-11 |
| JPH02234661A (ja) | 1990-09-17 |
| CA2007022A1 (en) | 1990-07-17 |
| EP0378788B1 (de) | 1993-10-27 |
| FI89552C (fi) | 1993-10-25 |
| ATE96288T1 (de) | 1993-11-15 |
| DE58906030D1 (de) | 1993-12-02 |
| EP0378788A1 (de) | 1990-07-25 |
| FI900155A0 (fi) | 1990-01-11 |
| AU4850190A (en) | 1990-07-26 |
| JP2594657B2 (ja) | 1997-03-26 |
| DK173403B1 (da) | 2000-09-25 |
| DK7390A (da) | 1990-07-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |