US4830028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Salts provided from nicotine and organic acid as cigarette additives
Assignee: RJ Reynolds Tobacco Co
•
Filing: 1987-02-10
•
Granted: 1989-05-16
•
Expires: 2007-02-10
Abstract
Abstract Cigarettes having incorporated therein a salt such as nicotine levulinate exhibit low FTC "tar" to nicotine ratios while (i) having a smooth, palatable, flavorful taste, and (ii) providing smoking satisfaction to the user. The cigarettes do not exhibit a harsh or irritating character; and do not exhibit a non-tobacco or off-taste.
Inventors
- 👤 Jerry W. Lawson
- 👤 Bruce R. Bullings
- 👤 Thomas A. Perfetti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:07
CPC Classifications
A; A24; A24D; A24D1/00; A24D1/002; A24B; A24B15/00; A24B15/18; A24B15/28; A24B15/30
Claims Analysis
Total Claims: 55
Claim 1
Independent Claim
56 words
A cigarette having incorporated therein as an additive at least one salt consisting of nicotine and an organic acid, wherein at least one of the salts has a molar ratio of nicotine to organic acid of 1:3, and at least one of the salts is a salt of nicotine and a gamma keto aliphatic monocarboxylic acid.
Claim 2
Dependent Claim
56 words
A cigarette having incorporated therein as an additive at least one salt consisting of nicotine and an organic acid, wherein at least one of the salts has a molar ratio of nicotine to organic acid of 1:3, and at least one of the salts is a salt of nicotine and a gamma keto aliphatic monocarboxylic acid.
Claim 3
Dependent Claim
22 words
The cigarette of claim 1 wherein the ratio of FTC "tar" to FTC nicotine thereof ranges from about 3 to about 6.
Claim 4
Dependent Claim
10 words
A cigarette having nicotine levulinate incorporated therein as an additive.
Claim 5
Dependent Claim
10 words
A cigarette having nicotine levulinate incorporated therein as an additive.
Claim 6
Dependent Claim
27 words
The cigarette of claim 3 wherein the additive is a blend of nicotine levulinate and at least one other salt consisting of nicotine and an organic acid.
Claim 7
Dependent Claim
35 words
The cigarette of claim 1, 2, 3 or 4 wherein the pH of the mainstream aerosol thereof is essentially equal to or less than that of the cigarette not having the salt additive incorporated therein.
Claim 8
Dependent Claim
37 words
A cigarette having incorporated therein as an additive at least one salt consisting of nicotine and an organic acid such that the ratio of FTC "tar" to FTC nicotine of the cigarette is less than about 7.
Claim 9
Dependent Claim
37 words
A cigarette having incorporated therein as an additive at least one salt consisting of nicotine and an organic acid such that the ratio of FTC "tar" to FTC nicotine of the cigarette is less than about 7.
Claim 10
Dependent Claim
21 words
The cigarette of claim 6 wherein the ratio of FTC "tar" to FTC nicotine ranges from about 3 to about 6.
Claim 11
Dependent Claim
32 words
The cigarette of claim 6 or 7 wherein the pH of the mainstream aerosol is essentially equal to or less than that of the cigarette not having the salt additive incorporated therein.
Claim 12
Dependent Claim
12 words
The cigarette of claim 6 wherein the organic acid is levulinic acid.
Claim 13
Dependent Claim
27 words
The cigarette of claim 6 wherein the additive is a blend of nicotine levulinate and at least one other salt consisting of nicotine and an organic acid.
Claim 14
Dependent Claim
14 words
The cigarette of claim 6 wherein the organic acid is an aliphatic monocarboxylic acid.
Claim 15
Dependent Claim
38 words
A cigarette having incorporated therein as an additive at least one salt consisting of nicotine and an aliphatic monocarboxylic acid in an amount sufficient to reduce the pH of the mainstream aerosol provided during use of the cigarette.
Claim 16
Dependent Claim
38 words
A cigarette having incorporated therein as an additive at least one salt consisting of nicotine and an aliphatic monocarboxylic acid in an amount sufficient to reduce the pH of the mainstream aerosol provided during use of the cigarette.
Claim 17
Dependent Claim
17 words
The cigarette of claim 12 wherein the aliphatic monocarboxylic acid is a gamma keto aliphatic monocarboxylic acid.
Claim 18
Dependent Claim
11 words
The cigarette of claim 13 wherein the acid is levulinic acid.
Claim 19
Dependent Claim
8 words
Tobacco cut filler including a nicotine levulinate additive.
Claim 20
Dependent Claim
8 words
Tobacco cut filler including a nicotine levulinate additive.
Claim 21
Dependent Claim
22 words
The cigarette of claim 1, 2, 3, 4, 6, or 12 which is equipped with a means for providing air dilution thereto.
Claim 22
Dependent Claim
43 words
The cigarette of claim 1, 3 or 10 including smokable filler material wherein the salt additive is incorporated in an amount rangin from about 1 percent to about 10 percent, based on weight of the salt and the filler material of the cigarette.
Claim 23
Dependent Claim
39 words
A cigarette having incorporated therein as additives (i) at least on salt consisting of nicotine and an organic acid, at least one of the salts having a molar ratio of nicotine to organic acid of 1:3, and (ii) nicotine.
Claim 24
Dependent Claim
39 words
A cigarette having incorporated therein as additives (i) at least on salt consisting of nicotine and an organic acid, at least one of the salts having a molar ratio of nicotine to organic acid of 1:3, and (ii) nicotine.
Claim 25
Dependent Claim
14 words
The cigarette of claim 18 wherein the organic acid is an aliphatic monocarboxylic acid.
Claim 26
Dependent Claim
21 words
The cigarette of claim 18 or 19 wherein the ratio of FTC "tar" to FTC nicotine is less than about 7.
Claim 27
Dependent Claim
23 words
The cigarette of claim 18 or 19 wherein the ratio of FTC "tar" to FTC nicotine ranges from about 3 to about 6.
Claim 28
Dependent Claim
16 words
The cigarette of claim 18 which is equipped with a means for providing air dilution thereto.
Claim 29
Dependent Claim
88 words
A cigarette including smokable filler material and having incorporated therein as additives (i) nicotine and (ii) levulinic acid, wherein the nicotine and levulinic acid additives are incorporated in the cigarette such that the molar ratio of nicotine additive to levulinic acid additive is about 1:3, and such that the amount of nicotine and levulinic acid additives incorporated in the cigarette is graater than or equal oo about 3 percent, based on the weight of the nicotine additive, the levulinic acid additive and the filler material of the cigarette.
Claim 30
Dependent Claim
88 words
A cigarette including smokable filler material and having incorporated therein as additives (i) nicotine and (ii) levulinic acid, wherein the nicotine and levulinic acid additives are incorporated in the cigarette such that the molar ratio of nicotine additive to levulinic acid additive is about 1:3, and such that the amount of nicotine and levulinic acid additives incorporated in the cigarette is graater than or equal oo about 3 percent, based on the weight of the nicotine additive, the levulinic acid additive and the filler material of the cigarette.
Claim 31
Dependent Claim
20 words
The cigarette of claim 23 wherein the ratio of FTC "tar" to FTC nicotine thereof is less than about 7.
Claim 32
Dependent Claim
21 words
The cigarette of claim 23 wherein the ratio of FTC "tar" to FTC nicotine ranges from about 3 to about 6.
Claim 33
Dependent Claim
16 words
The cigarette of claim 23 which is equipped with q means for providing air dilution thereto.
Claim 34
Dependent Claim
19 words
The cigarette of claim 23 further comprising as an additive a salt consisting of nicotine and an organic acid.
Claim 35
Dependent Claim
11 words
A smoking article having nicotine levulinate incorporated therein as an additive.
Claim 36
Dependent Claim
11 words
A smoking article having nicotine levulinate incorporated therein as an additive.
Claim 37
Dependent Claim
12 words
The smoking article of claim 28 further comprising nicotine as an additive.
Claim 38
Dependent Claim
21 words
A cigarette having incorporated therein as additives (i) at least one salt wherein one said is nicotine levulinate, and (ii) nicotine.
Claim 39
Dependent Claim
21 words
A cigarette having incorporated therein as additives (i) at least one salt wherein one said is nicotine levulinate, and (ii) nicotine.
Claim 40
Dependent Claim
19 words
The cigarette of claim 30 wherein the ratio of FTC "tar" to FTC nicotine is less than about 7.
Claim 41
Dependent Claim
21 words
The cigarette of claim 30 wherein the ratio of FTC "tar" to FTC nicotine ranges from about 3 to about 6.
Claim 42
Dependent Claim
16 words
The cigarette of claim 30 which is equipped with a means for providing air dilution thereto.
Claim 43
Dependent Claim
6 words
Synthetically produced substantially pure nicotine levulinate.
Claim 44
Dependent Claim
6 words
Synthetically produced substantially pure nicotine levulinate.
Claim 45
Dependent Claim
11 words
The cigarette of claim 21 wherein the salt is nicotine levulinate.
Claim 46
Dependent Claim
35 words
The cigarette of claim 1, 3, 6, 9, 12 or 14 including smokable filler material wherein the cigarette has the additive incorporated therein as an additive to at least a portion of the filler material.
Claim 47
Dependent Claim
35 words
The cigarette of claim 18, 23, 24, 27, 30, 31 or 25 including smokable filler material wherein the cigarette has the additives incorporated therein as additives to at least a portion of the filler material.
Claim 48
Dependent Claim
30 words
The smoking article of claim 28 including smokable filler material wherein the smoking article has the additive incorporated therein as an additive to at least apportion of the filler material.
Claim 49
Dependent Claim
45 words
The cigarette of calm 1, 3, 6, 9, 12, 14, 18, 23, 24, 27, 31, 32 or 36 including smokable filler material wherein at least a portion of the smokable filler material is selected from burley tobacco, flue-cured tobacco, volume expanded tobacco and reconstituted tobacco.
Claim 50
Dependent Claim
45 words
The cigarette of calm 1, 3, 6, 9, 12, 14, 18, 23, 24, 27, 31, 32 or 36 including smokable filler material wherein at least a portion of the smokable filler material is selected from burley tobacco, flue-cured tobacco, volume expanded tobacco and reconstituted tobacco.
Claim 51
Dependent Claim
33 words
The smoking article of claim 28 including smokable filler material wherein at least a portion of the smokable filler material is selected from burley tobacco, flue-cured tobacco, volume expanded tobacco and reconstituted tobacco.
Claim 52
Dependent Claim
46 words
The cigarette of claim 4, 18, 21 or 30 including smokable filler material wherein the salt additive is incorporated in an amount ranging from about 1 percent to about 10 percent, based on the weight of the salt additive and the filler material of the cigarette.
Claim 53
Dependent Claim
33 words
The tobacco cut filler of claim 15 wherein the amount of nicotine levulinate ranges from about 1 percent to about 10 percent, based on the weight of the nicotine levulinate and the filler.
Claim 54
Dependent Claim
46 words
The cigarette of claim 1, 3, 4, 10, 18, 21 or 30 including smokable filler material wherein the salt additive is incorporated in an amount of about 3 percent or more, based on the weight of the salt additive and the filler material of the cigarette.
Claim 55
Dependent Claim
30 words
The tobacco cut filler of claim 15 wherein the amount of nicotine levulinate is about 3 percent or more, based on the weight of the nicotine levulinate and the filler.
References Cited (Backward Citations)
GB446368A
Cited
US2152236A
Cited
US2207694A
Cited
FR988608A
Cited
US2766145A
Cited
US2914072A
Cited
US3095882A
Cited
US3109436A
Cited
US3136319A
Cited
US3280823A
Cited
US3319630A
Cited
GB1111007A
Cited
US3422819A
Cited
US3584630A
Cited
US3878850A
Cited
US3861400A
Cited
US3924642A
Cited
US3924644A
Cited
GB1495941A
Cited
US4286604A
Cited
US4125118A
Cited
US4300576A
Cited
US4236532A
Cited
GB2094611A
Cited
US4256126A
Cited
US4481960A
Cited
US4506682A
Cited
JPS58124711A
Cited
EP0103969A1
Cited
DE3312159A1
Cited
US4595024A
Cited
US4714082A
Cited
US4676259A
Cited
GB2185175A
Cited
US4715389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-05-15 | 1992-11-14 | 1993-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-05-15 | 1996-11-14 | 1997-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-05-15 | 2000-11-14 | 2001-05-16 | $7700.00 | Window Closed / Lapsed |