Patent US3828795A successfully refreshed from Google Patents.
US3828795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tobacco product
Assignee: RJ Reynolds Tobacco Co
•
Filing: 1973-06-21
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Granted: 1974-08-13
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Expires: 1993-06-21
Abstract
Abstract Addition of indanones and indenones to tobacco to enhance the flavor and/or aroma thereof.
Inventors
- 👤 J Schumacher
- 👤 C Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:40
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/18; A24B15/28; A24B15/30; A24B15/34; A24B15/345
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
29 words
The product recited in claim 1 wherein the amount of said compound added to the product is between about 0.00001 and about 0.1 percent by weight of the product.
Claim 2
Dependent Claim
31 words
A process for improving the flavor of tobacco which comprises adding thereto a small amount sufficient to alter the flavor or aroma of the tobacco of a compound having the formula:
Claim 3
Dependent Claim
29 words
The process of claim 3 wherein the compound of the said formula is added to the tobacco in an amount between about 0.00001 and about 0.1 percent by weight.
Claim 4
Dependent Claim
35 words
A process for improving the flavor of a tobacco product which comprises adding thereto a small amount sufficient to alter the flavor or aroma of the tobacco product of a compound having the following formula:
Claim 5
Dependent Claim
29 words
The process of claim 5 wherein the compound of the said formula is added to the tobacco in an amount between about 0.00001 and about 0.1 percent by weight.
References Cited (Backward Citations)
US3334637A
Cited
US3545450A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-12 | 1978-02-11 | 1978-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-12 | 1982-02-11 | 1982-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-12 | 1986-02-11 | 1986-08-13 | $7700.00 | Window Closed / Lapsed |