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
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 (de) | 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 (10)
Country | Link |
---|---|
EP (1) | EP0378788B1 (de) |
JP (1) | JP2594657B2 (de) |
AT (1) | ATE96288T1 (de) |
AU (1) | AU621451B2 (de) |
CA (1) | CA2007022C (de) |
DE (2) | DE3901226C1 (de) |
DK (1) | DK173403B1 (de) |
FI (1) | FI89552C (de) |
HK (1) | HK1005842A1 (de) |
MY (1) | MY105180A (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK172979B1 (da) * | 1987-12-22 | 1999-11-01 | Bat Cigarettenfab Gmbh | Koaksialcigaret |
AU635095B2 (en) * | 1990-08-24 | 1993-03-11 | Philip Morris Products Inc. | Concentric smoking filter having discrete tow and web filter media |
US5746230A (en) * | 1990-08-24 | 1998-05-05 | Philip Morris Incorporated | 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 |
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 |
EP0693258B1 (de) | 1994-07-19 | 1999-06-02 | British-American Tobacco (Germany) 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 |
EP1670326B1 (de) * | 2003-09-30 | 2007-02-21 | R.J. Reynolds Tobacco Company | Rauchbare stange für eine zigarette |
US7503330B2 (en) | 2003-09-30 | 2009-03-17 | 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 (de) * | 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 |
DK172979B1 (da) * | 1987-12-22 | 1999-11-01 | Bat Cigarettenfab Gmbh | Koaksialcigaret |
-
1989
- 1989-01-17 DE DE3901226A patent/DE3901226C1/de not_active Expired - Lifetime
- 1989-11-27 DE DE89121849T patent/DE58906030D1/de not_active Expired - Lifetime
- 1989-11-27 AT AT89121849T patent/ATE96288T1/de not_active IP Right Cessation
- 1989-11-27 EP EP89121849A patent/EP0378788B1/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 JP JP2006979A patent/JP2594657B2/ja not_active Expired - Lifetime
- 1990-01-16 AU AU48501/90A patent/AU621451B2/en not_active Expired
-
1998
- 1998-06-06 HK HK98105018A patent/HK1005842A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA2007022A1 (en) | 1990-07-17 |
DK7390A (da) | 1990-07-18 |
AU621451B2 (en) | 1992-03-12 |
MY105180A (en) | 1994-08-30 |
FI89552B (fi) | 1993-07-15 |
AU4850190A (en) | 1990-07-26 |
FI89552C (fi) | 1993-10-25 |
DE58906030D1 (de) | 1993-12-02 |
FI900155A (fi) | 1990-07-18 |
EP0378788A1 (de) | 1990-07-25 |
DK7390D0 (da) | 1990-01-11 |
EP0378788B1 (de) | 1993-10-27 |
HK1005842A1 (en) | 1999-01-29 |
JPH02234661A (ja) | 1990-09-17 |
JP2594657B2 (ja) | 1997-03-26 |
FI900155A0 (fi) | 1990-01-11 |
DE3901226C1 (de) | 1990-07-26 |
ATE96288T1 (de) | 1993-11-15 |
DK173403B1 (da) | 2000-09-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |