Patent US3703524A successfully refreshed from Google Patents.
US3703524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-aroyl-3-aminoalkoxy indoles
Assignee: Novartis Corp
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Filing: 1970-03-26
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Granted: 1972-11-21
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Expires: 1990-03-26
Abstract
Abstract THE COMPOUNDS ARE OF THE CLASS OF INDOLE DERIVATIVES, MORE PARTICULARLY INDOLE DERIVATIVES SUBSTITUTED IN 2- AND 3-POSITIONS AND ACID ADDITION SALTS THEREOF. THE COMPOUNDS ARE USEFUL AS ANALGESIC, ANTI-INFLAMMATORY, ANTITUSSIVE, TRANQUILIZING, ANTI-ALLERGIC AND ANAESTHESIA-POTENTIATING AGENTS. AN ILLUSTRATIVE EMBODIMENT IS 2-BENZOYL-3(2-PYRROLIDINOETHOXY)INDOLE.
Inventors
- 👤 Arne Elof Braendstroem
- 👤 Stig Ake Ingemar Carlsson
- 👤 Andre Gagneux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:58
CPC Classifications
A; A61; A61K; A61K31/00; C; C07; C07D; C07D209/00; C07D209/02; C07D209/04; C07D209/30; C07D209/32; C07D209/36
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) | 1975-11-21 | 1976-05-22 | 1976-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-21 | 1980-05-22 | 1980-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-21 | 1984-05-22 | 1984-11-21 | $7700.00 | Window Closed / Lapsed |