US3576004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel ring-e substituted 4-cyano-3-secoyohimbanes
Assignee: Wyeth Holdings LLC
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Filing: 1968-09-09
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Granted: 1971-04-20
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Expires: 1988-09-09
Abstract
Abstract THIS DISCLOSURE DESCRIBES COMPOUNDS OF THE CLASS OF RING-E-SUBSTITUTED 4-CYANO-3-SECOYOHIMBANES AND 4-CYANO3-SECOALLOYOHIMBANES USEFUL AS ANALGESICS, ANTI-INFLAMMATORY AGENTS, AND CENTRAL NERVOUS SYSTEM DEPRESSANTS.
Inventors
- 👤 Jay Donald Albright
- 👤 Leon Goldman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:41
CPC Classifications
C; C07; C07D; C07D498/00; C07D498/12; C07D498/14
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) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |