US3940411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
5-Amino-1-methyl-3-(1-methyl-5-nitro-2-imidazolyl)-1H-1,2,4-triazole
Assignee: Wyeth Holdings LLC
•
Filing: 1973-10-25
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Granted: 1976-02-24
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Expires: 1993-10-25
Abstract
Abstract This invention relates to new chemical compounds of the class 1-substituted-5-nitro-2-substituted imidazoles and methods for the preparation thereof. These compounds are useful for their anti-microbial activity.
Inventors
- 👤 Goro Asato
- 👤 Gerald Berkelhammer
- 👤 William Henry Gastrock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:57
CPC Classifications
C; C07; C07D; C07D403/00; C07D403/02; C07D403/06; C07D233/00; C07D233/54; C07D233/66; C07D233/91; C07D233/92; C07D233/94; C07D233/95; C07D498/00; C07D498/02; C07D498/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
5-Amino-1-methyl-3-(1-methyl-5-nitro-2-imidazolyl)-1H-1,2,4-triazole.
Claim 2
Dependent Claim
1 words
5-Amino-1-methyl-3-(1-methyl-5-nitro-2-imidazolyl)-1H-1,2,4-triazole.
References Cited (Backward Citations)
US3652555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-02-23 | 1979-08-25 | 1980-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-02-23 | 1983-08-25 | 1984-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-02-23 | 1987-08-25 | 1988-02-24 | $7700.00 | Window Closed / Lapsed |