US3655674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-(2-(4-cyclohexanecarboxamido-1-piperidyl)ethyl)indole
Assignee: John Wyeth and Brother Ltd
•
Filing: 1969-07-23
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Granted: 1972-04-11
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Expires: 1989-07-23
Abstract
Abstract THE INVENTION RELATES TO THE FIELD OF SUBSTITUTED INDOLES, IN PARTICULAR TO INDO-3-YL-LOWER ALKYLPIPERIDINES SUBSTITUTED IN THE PIPERIDINE RING BY A CYCLOALKANOYLAMINO RESIDUE, THEIR ACID ADDITION AND QUATERNARY AMMONIUM SALTS, AND TO INTERMEDIATES AND PROCESS FOR THE PREPARATION THEREOF. THE COMPOUNDS OF THE INVENTION ARE PHARMACOLOGICALLY EFFICATIOUS AS HYPOTENSIVE AND ANTI-HISTAMINE AGENTS.
Inventors
- 👤 John Leheup Archibald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:33
CPC Classifications
C; C07; C07D; C07D401/00; C07D401/02; C07D401/06
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) | 1975-04-11 | 1975-10-11 | 1976-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-11 | 1979-10-11 | 1980-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-11 | 1983-10-11 | 1984-04-11 | $7700.00 | Window Closed / Lapsed |