US3801636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3,4,5-tri-substituted cinnamides
Assignee: Abbott Laboratories
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Filing: 1971-08-13
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Granted: 1974-04-02
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Expires: 1991-08-13
Abstract
Abstract COVERS COMPOUND OF THE FORMULA: 1,3-DI(Y-),2-X,5-(D-CO-CH=CH-)BENZENE WHERE X IS SELECTED FROM THE GROUP CONSISTING OF NH2, NH-LOWERALKYL AND N(LOWERALKYL)2; EACH Y IS A HALOGEN SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE, FLUORINE AND IODINE; AND D IS AN ORGANIC RADICAL CONTAINING A NITROGEN ATOM; AND PHARMACEUTICALLY-ACCEPTABLE ADDITION SALTS THEREOF. ALSO COVERS THEIR USE AS ANTI-DEPRESSANT DRUGS. IN ADDITION COVERS VARIOUS NOVEL INTERMEDIATES USED IN PREPARING THE ABOVE COMPOUNDS.
Inventors
- 👤 B Horrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:04
CPC Classifications
C; C07; C07C; C07C233/00; C07C233/01; C07C233/12
Claims Analysis
Total Claims: 0
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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) | 1977-04-01 | 1977-10-01 | 1978-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-01 | 1981-10-01 | 1982-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-01 | 1985-10-01 | 1986-04-02 | $7700.00 | Window Closed / Lapsed |