US3732277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-(2'-cyano-phenoxy)-2-hydroxy-3-ethylamino-propane and salts thereof
Assignee: C.H. Boehringer Sohn AG and Co KG
•
Filing: 1970-08-03
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Granted: 1973-05-08
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Expires: 1990-08-03
Abstract
Abstract 1-(2''-CYANO-PHENOXY) - 2 - HYDROXY-3-ETHYLAMINO-PROPANE OF THE FORMULA AND NON-TOXIC, PHARMACOLOGICALLY ACCEPTABLE ACID ADDIITION SALTS THEREOF, THE COMPOUNDS ARE USEFUL AS B-ADRENERGIC RECEPTOR BLOCKING AGENTS IN WARM-BLOODED ANIMALS. 1-CN,2-(C2H5-NH-CH2-CH(-OH)-CH2-O-)BENZENE
Inventors
- 👤 H Koeppe
- 👤 K Zeile
- 👤 W Traunecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:56
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/275; C; C07; C07C; C07C233/00; C07C255/00; C07C255/49; C07C255/53; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/55
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) | 1976-05-07 | 1976-11-06 | 1977-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-07 | 1980-11-06 | 1981-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-07 | 1984-11-06 | 1985-05-08 | $7700.00 | Window Closed / Lapsed |