US3824249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acylamino tetrazoles
Assignee: RECH MEDICALE SOC D
•
Filing: 1972-05-24
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Granted: 1974-07-16
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Expires: 1992-05-24
Abstract
Abstract ACYLOAMINO TETRAZOLES OF THE FORMULA: 1-R'',5-(AR-CH(-R)-CO-NH-)-TETRAZOLE WHEREIN AR IS P-LOWER-ALKYLPHENYL, P-CYCLOALKYLPHENYL, P-DIALKYLAMINOPHENYL, P - CYCLOALKYLAMINOPHENYL, BIPHENYLYL, HALOBIPHENYLYL, LOWER - ALKYLIBIPHENYLYL, LOWER-ALKOXYR IS HYDROGEN,METHYL OR ETHYL, AND R'' IS HYDROGEN, R IS HYDROGEN,METHYL OR ETHYL, AND R'' IS HYDROGEN, PYRIDYL, PHENYL, HALOPHENYL, LOWER-ALKYLPHENYL OR LOWER-ALKOXYPHENYL. THESE COMPOUNDS POSSESS ANTI-INFLAMMATORY PROPERTIES.
Inventors
- 👤 Douarec J Le
- 👤 G Regnier
- 👤 R Canevari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:28
CPC Classifications
C; C07; C07D; C07D257/00; C07D257/02; C07D257/04; C07D257/06
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) | 1977-07-15 | 1978-01-14 | 1978-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-15 | 1982-01-14 | 1982-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-15 | 1986-01-14 | 1986-07-16 | $7700.00 | Window Closed / Lapsed |