US3707475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antiinflammatory imidazoles
Assignee: Pfizer Inc
•
Filing: 1970-11-16
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Granted: 1972-12-26
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Expires: 1990-11-16
Abstract
Abstract A NOVEL CLASS OF ANTIINFLAMMATORY AGENTS OF THE FORMULAE 1-R1,2-R2,4-AR,5-AR''-IMIDAZOLE 1-R1,2-AR'',4-AR,5-R2-IMIDAZOLE 1-R1,2-AR'',4-R2,5-AR-IMIDAZOLE WHERE AR AND AR'' ARE EACH FURYL, THIENYL, PYRIDYL, PHENYL OR SUBSTITUTED PHENYL; R1 IS HYDROGEN, ALKYL OR ALKENYL; R2 IS TRIFLUOROMETHYL, ALKYL, FURYL, THIENYL, PYRIDYL, PHENYL OR SUBSTITUTED PHENYL AND THEIR PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS, AS WELL AS METHODS FOR THEIR SYNTHESIS, ARE DESCRIBED.
Inventors
- 👤 Joseph George Lombardino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:43
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/54; C07D233/64
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) | 1975-12-26 | 1976-06-26 | 1976-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-26 | 1980-06-26 | 1980-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-26 | 1984-06-26 | 1984-12-26 | $7700.00 | Window Closed / Lapsed |