US3585198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Homopyrimidazole derivatives,process for the preparation thereof and pharmaceutical compositions containing same
Assignee: Chinoin Private Co Ltd
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Filing: 1967-11-01
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Granted: 1971-06-15
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Expires: 1987-11-01
Abstract
Abstract ANALGESIC AND ANTIPYRETIC 3-CARBALKOXY OR 3-CARBETHOXY6,7,8,9-TETRAHYDRO-4H-PYRIDO (1,2A) PYRIMIDIN-4-ONES WHICH ALSO HAVE A NARCOSIS POTENTATING EFFECT.
Inventors
- 👤 Zoltan Meszaros
- 👤 Jozsef Knoll
- 👤 Peter Szentmiklosi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:00
CPC Classifications
C; C07; C07D; C07D471/00; C07D471/02; C07D471/04
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) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |