US3948814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acetaldehyde ethyl linalyl acetal perfume compositions
Assignee: Naarden International NV
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Filing: 1972-08-10
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Granted: 1976-04-06
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Expires: 1992-08-10
Abstract
Abstract Odorous acetaldehyde ethyl linalyl acetal, perfume compositions, materials or products comprising conventional constituents such as solvents, diluents and adjuvants and containing as an essential ingredient acetaldehyde ethyl linalyl acetal. Also the method of preparing perfume compositions by adding the acetal thereto and the method of preparing the acetal by reacting a solution of sulfuric acid in linalool to vinylethyl ether, adding soda thereto, separating and fractionating an organic layer with soda.
Inventors
- 👤 David de Rijke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:02
CPC Classifications
C; C11; C11B; C11B9/00; C11B9/0007; C11B9/0015
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
26 words
A perfume composition comprising a mixture of perfumery materials including acetaldehyde ethyl linalyl acetal in an amount sufficient to give a flowerlike undertone to said composition.
Claim 2
Dependent Claim
26 words
A perfume composition comprising a mixture of perfumery materials including acetaldehyde ethyl linalyl acetal in an amount sufficient to give a flowerlike undertone to said composition.
Claim 3
Dependent Claim
17 words
The perfume composition of claim 1 containing from 10-15 percent by weight of acetaldehyde ethyl linalyl acetal.
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) | 1979-04-06 | 1979-10-06 | 1980-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-06 | 1983-10-06 | 1984-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-06 | 1987-10-06 | 1988-04-06 | $7700.00 | Window Closed / Lapsed |