US3861403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel tobacco product comprising one or more alpha-pyrones
Assignee: International Flavors and Fragrances Inc
•
Filing: 1974-05-20
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Granted: 1975-01-21
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Expires: 1994-05-20
Abstract
Abstract WHEREIN R1 is methyl or hydrogen, and R2 is C3-C5 alkyl; processes for producing such tobacco products; and flavor formulations for use in conjunction with tobacco products containing one or more of such alpha-pyrones. Described is a tobacco product having added thereto an amount sufficient to alter the flavor or aroma of the tobacco product particularly on smoking, of one or more alpha-pyrone compounds having the generic structure:
Inventors
- 👤 Joaquin Francisco Vinals
- 👤 Alton Dewitt Quinn
- 👤 Alan Owen Pittet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:17
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/18; A24B15/28; A24B15/30; A24B15/36; A24B15/40; A24B15/403
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
17 words
The tobacco product of claim 1 wherein the 6-alkyl-alpha-pyrone compound is selected from the group consisting of:
Claim 2
Dependent Claim
32 words
The tobacco product of claim 1 wherein the concentration of 6-alkyl-alpha-pyrone in the tobacco product is from 100-5000 parts per million, based on the total weight of tobacco on a dry basis.
Claim 3
Dependent Claim
32 words
The tobacco product of claim 1 wherein the concentration of 6-alkyl-alpha-pyrone in the tobacco product is from 200-500 parts per million, based on the total weight of tobacco on a dry basis.
Claim 4
Dependent Claim
33 words
The tobacco product of claim 2 wherein the concentration of 6-alkyl-alpha-pyrone in the tobacco product is from 200-500 parts per million based on the total weight of tobacco product on a dry basis.
Claim 5
Dependent Claim
11 words
The tobacco product of claim 4 wherein the 6-alkyl-alpha-pyrone is 6-n-propyl-alpha-pyrone.
Claim 6
Dependent Claim
11 words
The tobacco product of claim 4 wherein the 6-alkyl-alpha-pyrone is 6-n-butyl-alpha-pyrone.
Claim 7
Dependent Claim
11 words
The tobacco product of claim 4 wherein the 6-alkyl-alpha-pyrone is 6-n-pentyl-alpha-pyrone.
Claim 8
Dependent Claim
11 words
The tobacco product of claim 4 wherein the 6-alkyl-alpha-pyrone is 4-methyl-6-isopropyl-alpha-pyrone.
Claim 9
Dependent Claim
11 words
The tobacco product of claim 4 wherein the 6-alkyl-alpha-pyrone is 4-methyl-6-n-butyl-alpha-pyrone.
Claim 10
Dependent Claim
11 words
The tobacco product of claim 4 wherein the 6-alkyl-alpha-pyrone is 4-methyl-6-isobutyl-alpha-pyrone.
Claim 11
Dependent Claim
11 words
The tobacco product of claim 4 wherein the 6-alkyl-alpha-pyrone is 4-methyl-6-n-pentyl-alpha-pyrone.
References Cited (Backward Citations)
US3380457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-01-20 | 1978-07-22 | 1979-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-20 | 1982-07-22 | 1983-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-20 | 1986-07-22 | 1987-01-21 | $7700.00 | Window Closed / Lapsed |