US3782391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
{62 -methylvaleric acid alkyl esters as tobacco flavorants
Assignee: Liggett Group LLC
•
Filing: 1971-03-24
•
Granted: 1974-01-01
•
Expires: 1991-03-24
Abstract
Abstract An article of manufacture comprising tobacco and a small but effective amount of a flavoring agent selected from the group consisting essentially of Cn-C10 alkyl esters and Beta phenethyl ester of Beta -methylvaleric acid. The esters have such volatility that the greater part of the ester is released into the smoke stream, as said ester without decomposition during smoking.
Inventors
- 👤 R Means
- 👤 A Kallianos
- 👤 K Tenney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 23:11
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/18; A24B15/28; A24B15/30; A24B15/32; A24B15/301
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
12 words
The tobacco smoking articles of claim 1 wherein said articles are cigarettes.
Claim 2
Dependent Claim
12 words
The article of claim 1 wherein said ester is ethyl Beta -methylvalerate.
Claim 3
Dependent Claim
12 words
The article of claim 1 wherein said ester is isoamyl Beta -methylvalerate.
Claim 4
Dependent Claim
12 words
The article of claim 1 wherein said ester is 3-methylamyl Beta -methylvalerate.
References Cited (Backward Citations)
US2766145A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |