US3639476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted 1-dimethylamino pentanes and heptanes
Assignee: Synthelabo SA
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Filing: 1967-11-29
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Granted: 1972-02-01
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Expires: 1987-11-29
Abstract
Abstract COMPOUNDS OF THE FORMULA AR-CH(-R)-X-N(-R'')-R" IN WHICH AR IS H OR AND AROMATIC WHICH MAY BE MONO- OR POLYSUBSTITUTED OR A HETEROCYCLIC, R IS AN ALIPHATIC HAVING 1-5 CARBON ATOMS, X IS -CO OR -CH2 R'' AND R" ARE EACH H AND ALIPHATIC HAVING 1-3 CARBON ATOMS OR -N(-R'')-R" IS A HETEROCYCLIC. THE COMPOUNDS POSSESS CARDIOVASCULAR, DIURETIC AND SPASMOLYTIC PROPERTIES.
Inventors
- 👤 Jeannie Eberle
- 👤 Micheline Sergan
- 👤 Claude Fauran
- 👤 Gerard M Huguet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:24
CPC Classifications
C; C07; C07D; C07D215/00; C07D215/02; C07D215/04; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/36; C07D213/38; C07D213/54; C07D213/56; C07D215/12; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/14; C07D333/20
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) | 1975-01-31 | 1975-08-02 | 1976-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-31 | 1979-08-02 | 1980-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-31 | 1983-08-02 | 1984-02-01 | $7700.00 | Window Closed / Lapsed |