US3696121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4-(2-hydroxy-3-amino propoxy)-indole derivatives
Assignee: Sandoz AG
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Filing: 1970-07-17
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Granted: 1972-10-03
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Expires: 1990-07-17
Abstract
Abstract The invention concerns new indol derivatives of the formula: WHEREIN R1 is lower alkyl, cycloalkyl of three or four carbon atoms, or 3-phenylpropyl, as well as processes for the production thereof. The compounds have a blcoking effect on the vascular adrenergic Beta -receptors.
Inventors
- 👤 Franz Troxler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:35
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/04; C07D209/10; C07D209/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
8 words
The compound of claim 1, which is 4-(2-hydroxy-3-isopropylamino-propoxy)-2-methoxymethyl-indol.
Claim 2
Dependent Claim
8 words
The compound of claim 1, which is 4-(3-tert.butylamino-2-hydroxy-propoxy)-2-methoxymethyl-indol.
Claim 3
Dependent Claim
8 words
The compound of claim 1, which is 4-(3-cyclopropylamino-2-hydroxy-propoxy)-2-methoxymethyl-indol.
Claim 4
Dependent Claim
8 words
The compound of claim 1, which is 4-(2-hydroxy-3-(3-pentyl)-amino-propoxy)-2-methoxymethyl-indol.
References Cited (Backward Citations)
US3471515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-03 | 1976-04-03 | 1976-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-03 | 1980-04-03 | 1980-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-03 | 1984-04-03 | 1984-10-03 | $7700.00 | Window Closed / Lapsed |