US3157573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antihypertensive 3, 4-dihydro-2(1h)-isoquinolinecarboxamidine
Assignee: F Hoffmann La Roche AG
•
Filing: 1962-12-18
•
Granted: 1964-11-17
•
Expires: 1982-12-18
Abstract
No abstract record available.
Inventors
- 👤 Wenner Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:16
CPC Classifications
C; C07; C07D; C07D217/00; C07D217/02; C07D217/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
THE PROCESS OF PRODUCING A HYPOTENTENSIVE EFFECT WHICH COMPRISES ADMINISTERING TO A HOST A COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
25 words
THE PROCESS OF PRODUCING A HYPOTENTENSIVE EFFECT WHICH COMPRISES ADMINISTERING TO A HOST A COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULA
References Cited (Backward Citations)
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US2876229A
Cited
US3026247A
Cited
US2955073A
Cited
US2951843A
Cited
US3034960A
Cited
US2986573A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |