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US3745216A
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Compositions and methods for producing hypotensive activity with imidazo and pyrimido(2,1-b)quinazoline compounds
Assignee: Smith Kline & French Laboratories Ltd
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Filing: 1971-03-01
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Granted: 1973-07-10
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Expires: 1991-03-01
Abstract
Abstract COMPOSITIONS HAVING HYPOTENSIVE ACTIVITY CONTAINING IMIDAZO AND PYRIMIDO(2,1-B)QUINAZOLINE COMPOUNDS AND METHODS OF PRODUCING HYPOTENSIVE ACTIVITY BY ADMINISTERING THESE COMPOUNDS.
Inventors
- 👤 T Jen
- 👤 B Loev
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:10
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/04; C07D209/30; C07D209/32; C07D209/38
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) | 1976-07-09 | 1977-01-08 | 1977-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-09 | 1981-01-08 | 1981-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-09 | 1985-01-08 | 1985-07-10 | $7700.00 | Window Closed / Lapsed |