US3974169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
α-[2-(2-Pyridyl)ethylamino]phenylacetic acid dihydrochloride Hemihydrate
Assignee: ATK Launch Systems LLC
•
Filing: 1975-05-12
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Granted: 1976-08-10
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Expires: 1995-05-12
Abstract
Abstract A compound α-[2-(2-Pyridyl)ethylamino]phenylacetic acid dihydrochloride Hemihydrate possesses pharmacological activity as an antihypertensive agent.
Inventors
- 👤 Thomas J. Schwan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:54
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/36; C07D213/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A compound of the formula: ##SPC2##
Claim 2
Dependent Claim
6 words
A compound of the formula: ##SPC2##
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) | 1979-08-10 | 1980-02-09 | 1980-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-10 | 1984-02-09 | 1984-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-10 | 1988-02-09 | 1988-08-10 | $7700.00 | Window Closed / Lapsed |