US4848376A
Expired / Lapsed
US
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Tobacco compositions, method and device for releasing essentially pure nicotine
Assignee: Leo AB
•
Filing: 1988-01-26
•
Granted: 1989-07-18
•
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.
Inventors
- 👤 Jan E. Lilja
- 👤 Sven E. Nilsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:52
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: 20
Claim 1
Independent Claim
46 words
Tobacco compositions having a pH exceeding 7, for liberating essentially pure nicotine in effective amounts when air is drawn therethrough and when subjected to elevated temperatures below the combustion temperature of the tobacco, for inhalation purposes, comprising a mixture of tobacco, water, and added basic material.
Claim 2
Dependent Claim
46 words
Tobacco compositions having a pH exceeding 7, for liberating essentially pure nicotine in effective amounts when air is drawn therethrough and when subjected to elevated temperatures below the combustion temperature of the tobacco, for inhalation purposes, comprising a mixture of tobacco, water, and added basic material.
Claim 3
Dependent Claim
18 words
Composition according to claim 1 characterized in that the water is present in the form of water-containing salt.
Claim 4
Dependent Claim
22 words
Composition according to claim 2 characterized in that the water-containing salt is selected from the group consisting of hydrated soda and zeolites.
Claim 5
Dependent Claim
26 words
Composition according to claim 2 characterized in that the basic material is selected from the group consisting of carbonates and hydroxides of sodium, potassium, and calcium.
Claim 6
Dependent Claim
19 words
Composition according to claim 2 characterized in that the water is present in 0.25-7 g H 2 O/g tobacco.
Claim 7
Dependent Claim
22 words
Composition according to claim 1 characterized in that the water-containing salt is selected from the group consisting of hydrated soda and zeolites.
Claim 8
Dependent Claim
26 words
Composition according to claim 6 characterized in that the basic material is selected from the group consisting of carbonates and hydroxides of sodium, potassium, and calcium.
Claim 9
Dependent Claim
19 words
Composition according to claim 6 characterized in that the water is present in 1-5 g, H 2 O/g tobacco.
Claim 10
Dependent Claim
12 words
Composition of claim 6, wherein the pH of the composition exceeds 8.8.
Claim 11
Dependent Claim
19 words
Composition according to claim 1 characterized in that the water is present in 1-5 g H 2 O/g tobacco.
Claim 12
Dependent Claim
12 words
Composition of claim 10, wherein the pH of the composition exceeds 8.8.
Claim 13
Dependent Claim
64 words
Tobacco compositions for liberating essentially pure nicotine in effective amounts when air is drawn therethrough and when subjected to elevated temperatures below the combustion temperature of the tobacco, for inhalation purposes, comprising a mixture of tobacco, water, and added basic material, characterized in that the water and the basic material is present in the form of Na 2 CO 3 .10 H 2 O.
Claim 14
Dependent Claim
64 words
Tobacco compositions for liberating essentially pure nicotine in effective amounts when air is drawn therethrough and when subjected to elevated temperatures below the combustion temperature of the tobacco, for inhalation purposes, comprising a mixture of tobacco, water, and added basic material, characterized in that the water and the basic material is present in the form of Na 2 CO 3 .10 H 2 O.
Claim 15
Dependent Claim
18 words
Composition according to claim 12 characterized in that the water is present in 0.25-7 H 2 O/g tobacco.
Claim 16
Dependent Claim
62 words
Tobacco compositions for liberating essentially pure nicotine in effective amounts when air is drawn therethrough and when subjected to elevated temperatures below the combustion temperature of the tobacco, for inhalation purposes, comprising a mixture of tobacco, water, and added basic material, characterized in that the basic material is selected from the group consisting of carbonates and hydroxides of sodium, potassium, and calcium.
Claim 17
Dependent Claim
62 words
Tobacco compositions for liberating essentially pure nicotine in effective amounts when air is drawn therethrough and when subjected to elevated temperatures below the combustion temperature of the tobacco, for inhalation purposes, comprising a mixture of tobacco, water, and added basic material, characterized in that the basic material is selected from the group consisting of carbonates and hydroxides of sodium, potassium, and calcium.
Claim 18
Dependent Claim
22 words
Composition according to claim 14 characterized in that the water is present in 0.25-7 g, preferably 1-5 g H 2 O/g tobacco.
Claim 19
Dependent Claim
55 words
Tobacco compositions for liberating essentially pure nicotine in effective amounts when air is drawn therethrough and when subjected to elevated temperatures below the combustion temperature of the tobacco, for inhalation purposes, comprising a mixture of tobacco, water, and added basic material, characterized in that the water is present in 0.25-7 g H 2 O/g tobacco.
Claim 20
Dependent Claim
55 words
Tobacco compositions for liberating essentially pure nicotine in effective amounts when air is drawn therethrough and when subjected to elevated temperatures below the combustion temperature of the tobacco, for inhalation purposes, comprising a mixture of tobacco, water, and added basic material, characterized in that the water is present in 0.25-7 g H 2 O/g tobacco.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-07-17 | 1993-01-16 | 1993-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-17 | 1997-01-16 | 1997-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-17 | 2001-01-16 | 2001-07-18 | $7700.00 | Window Closed / Lapsed |