Patent US3892809A successfully refreshed from Google Patents.
US3892809A
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Process for the preparation of butenoyl 1,3-cyclohexadienes
Assignee: Firmenich SA
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Filing: 1972-09-11
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Granted: 1975-07-01
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Expires: 1992-09-11
Abstract
Abstract Process for the preparation of oxygenated unsaturated cycloaliphatic compounds useful as perfuming and odour-modifying agents in the manufacture of perfumes and perfumed products, and as flavouring and taste-modifying agents in the aromatization of foodstuffs in general and imitation flavours for foodstuffs, beverages, animal feeds, pharmaceutical preparations and tobacco products. Composition of matter relating to some of said oxygenated unsaturated cycloaliphatic compounds which are new and perfumeand flavouring compositions containing same.
Inventors
- 👤 Karl-Heinrich Schulte-Elte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:27
CPC Classifications
C; C11; C11B; C11B9/00; C11B9/0069; C11B9/0073; C11B9/0076; A; A23; A23L; A23L27/00; A23L27/20; A23L27/203; A24; A24B; A24B15/00; A24B15/18; A24B15/28; A24B15/30; A24B15/34; C07; C07C; C07C403/00; C07C403/06; C07C403/08; C07C403/12; C07C403/14; C07C403/16; C07C45/00; C07C45/27; C07C45/29; C07C45/292; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/14; C07D303/16; C07D303/32; C11B9/0026; C11B9/0034; C07B; C07B2200/00; C07B2200/09; C07C2601/00; C07C2601/12; C07C2601/14; C07C2601/16
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
11 words
A PROCESS FOR THE PREPARATION OF UNSATURATED CYCLOALIPHATIC KETONES OF FORMULA
Claim 2
Dependent Claim
11 words
A PROCESS FOR THE PREPARATION OF UNSATURATED CYCLOALIPHATIC KETONES OF FORMULA
Claim 3
Dependent Claim
24 words
A process according to claim 1, wherein the reaction is carried out in dioxan and at a temperature between about 90* and 100* C.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-06-30 | 1978-12-30 | 1979-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-30 | 1982-12-30 | 1983-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-30 | 1986-12-30 | 1987-07-01 | $7700.00 | Window Closed / Lapsed |