US3952016A
Expired / Lapsed
US
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2-Keto-6-substituted dioxane-(1,4) compounds
Assignee: Lever Brothers Co
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Filing: 1975-03-03
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Granted: 1976-04-20
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Expires: 1995-03-03
Abstract
Abstract Novel 2-keto-6-substituted dioxane-(1,4) compounds having the structural formula: ##EQU1## wherein R is an alkyl radical having 6-9 carbon atoms, mixtures thereof, and R'OCH 2 wherein R' is an alkyl radical having 5-8 carbon atoms. The novel compounds exhibit desirable fragrance and flavor properties.
Inventors
- 👤 Joseph Barillo
- 👤 Thomas A. Payne, Jr.
- 👤 Warren J. Urban
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:32
CPC Classifications
C; C07; C07D; C07D319/00; C07D319/10; C07D319/12; C11; C11B; C11B9/00; C11B9/0069; C11B9/0073; C11B9/008
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
25 words
A compound of the formula: ##EQU5## wherein R is R'OCH 2 - wherein R' is an alkyl radical of from C 5 -C 8 .
Claim 2
Dependent Claim
25 words
A compound of the formula: ##EQU5## wherein R is R'OCH 2 - wherein R' is an alkyl radical of from C 5 -C 8 .
Claim 3
Dependent Claim
11 words
The compound of claim 1 wherein R' is C 5 .
Claim 4
Dependent Claim
11 words
The compound of claim 1 wherein R' is C 6 .
Claim 5
Dependent Claim
11 words
The compound of claim 1 wherein R' is C 7 .
Claim 6
Dependent Claim
11 words
The compound of claim 1 wherein R' is C 8 .
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-04-20 | 1979-10-20 | 1980-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-20 | 1983-10-20 | 1984-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-20 | 1987-10-20 | 1988-04-20 | $7700.00 | Window Closed / Lapsed |