US4907606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tobacco compositions, method and device for releasing essentially pure nicotine
Assignee: Leo AB
•
Filing: 1988-01-26
•
Granted: 1990-03-13
•
Expires: 2008-01-26
Abstract
Abstract Novel tobacco compositions which when subjected to an elevated temperature below the combustion temperature the tobacco liberates essentially pure nicotine. The invention also includes a method for liberating nicotine from the compositions and a device for carrying out the method.
Inventors
- 👤 Jan E. Lilja
- 👤 Sven E. L. Nilsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:25
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/007; A24; A24B; A24B15/00; A24B15/18; A24B15/28; A24B15/42; A24F; A24F42/00; A24F42/10; A24F40/00; A24F40/20; A24F40/50
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
164 words
Device for the release and administration of nicotine in gaseous form, comprising receiving means (10, 30) which has a receiving space (11, 31) provided therein with an inlet and an outlet (12, 36) and in which a matrix containing the nicotine is insertable, and a mouthpiece (19, 32) communicating with the outlet (12, 36) of said receiving space, characterized by a heating element (14; 40; 48, 49, 50) associated with said receiving space (11, 31), said heating element being adapted to produce heat in said space (11, 31), said heating element itself or subsidiary temperature control means (17; 41) being selected or provided for restricting the temperature in the receiving space (11, 31) to a predetermined value below the combustion temperature of the matrix, said device being completely self-contained and having no external electrical connection, characterized in that the heating element (40) consists of a heating coil connectible to a battery (39) contained therein and disposed in a wall defining the receiving space (31).
Claim 2
Dependent Claim
164 words
Device for the release and administration of nicotine in gaseous form, comprising receiving means (10, 30) which has a receiving space (11, 31) provided therein with an inlet and an outlet (12, 36) and in which a matrix containing the nicotine is insertable, and a mouthpiece (19, 32) communicating with the outlet (12, 36) of said receiving space, characterized by a heating element (14; 40; 48, 49, 50) associated with said receiving space (11, 31), said heating element being adapted to produce heat in said space (11, 31), said heating element itself or subsidiary temperature control means (17; 41) being selected or provided for restricting the temperature in the receiving space (11, 31) to a predetermined value below the combustion temperature of the matrix, said device being completely self-contained and having no external electrical connection, characterized in that the heating element (40) consists of a heating coil connectible to a battery (39) contained therein and disposed in a wall defining the receiving space (31).
Claim 3
Dependent Claim
189 words
Device for the release and administration of nicotine in gaseous form, comprising receiving means (10, 30) which has a receiving space (11, 31) provided therein with an inlet and an outlet (12, 36) and in which a matrix containing the nicotine is insertable, and a mouthpiece (19, 32) communicating with the outlet (12, 36) of said receiving space, characterized by a heating element (14; 40; 48, 49, 50) associated with said receiving space (11, 31), said heating element being adapted to produce heat in said space (11,31), said heating element itself or subsidiary temperature control means (17; 41) being selected or provided for restricting the temperature in the receiving space (11, 31) to a predetermined value below the combustion temperature of the matrix, said device being completely self-contained and having no external electrical connection, characterized in that the heating element (46, 47) consists of a gas burner with an igniter (47) which is adapted to ignite gas flowing from a gas space (42) through a control valve (46) to a channel (43) communicating with the ambient atmosphere and containing a gas-pereable material (48) and adjoining the receiving space (31).
Claim 4
Dependent Claim
189 words
Device for the release and administration of nicotine in gaseous form, comprising receiving means (10, 30) which has a receiving space (11, 31) provided therein with an inlet and an outlet (12, 36) and in which a matrix containing the nicotine is insertable, and a mouthpiece (19, 32) communicating with the outlet (12, 36) of said receiving space, characterized by a heating element (14; 40; 48, 49, 50) associated with said receiving space (11, 31), said heating element being adapted to produce heat in said space (11,31), said heating element itself or subsidiary temperature control means (17; 41) being selected or provided for restricting the temperature in the receiving space (11, 31) to a predetermined value below the combustion temperature of the matrix, said device being completely self-contained and having no external electrical connection, characterized in that the heating element (46, 47) consists of a gas burner with an igniter (47) which is adapted to ignite gas flowing from a gas space (42) through a control valve (46) to a channel (43) communicating with the ambient atmosphere and containing a gas-pereable material (48) and adjoining the receiving space (31).
Claim 5
Dependent Claim
19 words
Device as claimed in claim 2, characterized in that the gas-permeable material (48) consists of a catalytic combustion matrix.
Claim 6
Dependent Claim
17 words
Device as claimed in claim 2, characterized in that the gas-permeable material (48) consists of mineral wool.
Claim 7
Dependent Claim
27 words
Device as claimed in claim 2, characterized in that the control valve (46) between the gas space (42) and the channel (43) constitutes the temperature restricting means.
Claim 8
Dependent Claim
167 words
Device for the release and administration of nicotine in gaseous form, comprising receiving means (10, 30) which has a receiving space (11, 31) provided therein with an inlet and an outlet (12, 36) and in which a matrix containing the nicotine is insertable, and a mouthpiece (19, 32) communicating with the outlet (12, 36) of said receiving space, characterized by a heating element (14; 40; 48, 49, 50) associated with said receiving space (11, 31), said heating element being adapted to produce heat in said space (11,31), said heating element itself or subsidiary temperature control means (17; 41) being selected or provided for restricting the temperature in the receiving space (11, 31) to a predetermined value below the combustion temperature of the matrix, said device being completely self-contained and having no external electrical connection, characterized in that the heating element consists of a container holding two fluids (49, 50) separated by a rupturable partition (51) and selected from the group of fluids which produce heat when mixed.
Claim 9
Dependent Claim
167 words
Device for the release and administration of nicotine in gaseous form, comprising receiving means (10, 30) which has a receiving space (11, 31) provided therein with an inlet and an outlet (12, 36) and in which a matrix containing the nicotine is insertable, and a mouthpiece (19, 32) communicating with the outlet (12, 36) of said receiving space, characterized by a heating element (14; 40; 48, 49, 50) associated with said receiving space (11, 31), said heating element being adapted to produce heat in said space (11,31), said heating element itself or subsidiary temperature control means (17; 41) being selected or provided for restricting the temperature in the receiving space (11, 31) to a predetermined value below the combustion temperature of the matrix, said device being completely self-contained and having no external electrical connection, characterized in that the heating element consists of a container holding two fluids (49, 50) separated by a rupturable partition (51) and selected from the group of fluids which produce heat when mixed.
Claim 10
Dependent Claim
19 words
Device as claimed in claim 6, characterized in that the fluids (49, 50) consist of lithium chloride and water.
Claim 11
Dependent Claim
24 words
Device as claimed in claim 6, characterized in that the temperature restricting means consists of a temperature sensor (41) connected to the battery (39).
Claim 12
Dependent Claim
20 words
Device as claimed in claim 6, characterized in that the ratio between the fluid volumes constitutes the temperature restricting means.
References Cited (Backward Citations)
DE116941C
Cited
US2104266A
Cited
US2972557A
Cited
US3292636A
Cited
GB1116644A
Cited
GB1185887A
Cited
FR2099824A5
Cited
GB1316987A
Cited
US4141369A
Cited
US4219032A
Cited
US4149548A
Cited
US4284089A
Cited
US4340072A
Cited
US4303083A
Cited
US4474191A
Cited
EP0155514A1
Cited
US4735217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-03-12 | 1993-09-11 | 1994-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-03-12 | 1997-09-11 | 1998-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-03-12 | 2001-09-11 | 2002-03-13 | $7700.00 | Window Closed / Lapsed |