US3872147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-phenoxy-2-hydroxy-3-alkylamino-propanes
Assignee: C.H. Boehringer Sohn AG and Co KG
•
Filing: 1971-12-02
•
Granted: 1975-03-18
•
Expires: 1991-12-02
Abstract
Abstract The compounds are 1-phenoxy-2-hydroxy-3-alkylamino-propanes and non-toxic acid addition salts thereof, useful as Beta adrenolytics and hypotensives in warm-blooded animals.
Inventors
- 👤 Herbert Koppe
- 👤 Werner Kummer
- 👤 Helmut Stahle
- 👤 Karl Zeile
- 👤 Albrecht Engelhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:08
CPC Classifications
C; C07; C07D; C07D309/00; C07D309/02; C07D309/08; C07D309/10; C07D309/12; A; A61; A61K; A61K31/00; A61K31/13; A61K31/135; A61K31/33; A61K31/395; A61K31/495; A61K31/505; A61P; A61P9/00; A61P9/08; A61P9/10; A61P9/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
21 words
A compound according to claim 1, which is 1-(o-cyano-phenoxy)-2-hydroxy-3-(( Alpha Alpha -dimethyl-n-propyl)-amino)-propane or a non-toxic, pharmacologically acceptable acid addition sAlt thereof.
Claim 4
Dependent Claim
21 words
A compound according to claim 1, which is 1-(o-cyano-phenoxy)-2-hydroxy-3-(( Alpha Alpha -dimethyl-n-butyl)-amino)-propane or a non-toxic, pharmacologically acceptable acid addition salt thereof.
References Cited (Backward Citations)
US3459782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-17 | 1978-09-16 | 1979-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-17 | 1982-09-16 | 1983-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-17 | 1986-09-16 | 1987-03-18 | $7700.00 | Window Closed / Lapsed |