Patent US3778440A successfully refreshed from Google Patents.
US3778440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-substituted amino-isoquinolines and nitrates thereof
Assignee: Sandoz AG
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Filing: 1970-12-07
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Granted: 1973-12-11
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Expires: 1990-12-07
Abstract
Abstract DISCLOSED ARE COMPOUNDS OF THE CLASS OF SIOQUINOLINES SUBSTITUTED AT THE 1-POSITION BY AN AMINO FUNCTION BEARING A HYDROXY-ALKYL NITRATE MOIETY, E.G., 1-(5-HYDROXYPENTYL)AMINO-6,7-METHYLENE-DIOXYISOQUINOLINE NITRATE. THE COMPOUNDS HAVE VARIOUS PHARMACOLOGICAL ACTIVITIES IN ANIMALS ARE ARE USEFUL FOR EXAMPLE, AS ANTI-HYPERTENSIVE AGENTS, ANTI-ANGINAL AGENTS AND IN THE TREATMENT OF SHOCK. ALSO DISCLOSED ARE THE CORRESPONDING HYDROXY INTERMEDIATES WHICH ARE USEFUL IN PREPARATION OF THE NITRATES AND ALSO AS HYPTENSIVE AGENTS OR AS AGENTS IN THE TREATMENT OF SHOCK.
Inventors
- 👤 W Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:02
CPC Classifications
C; C07; C07D; C07D217/00; C07D217/22; C07D401/00; C07D401/02; C07D401/04
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) | 1976-12-10 | 1977-06-11 | 1977-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-10 | 1981-06-11 | 1981-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-10 | 1985-06-11 | 1985-12-11 | $7700.00 | Window Closed / Lapsed |