US3376306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-carboxamido-3-amino-1, 2, 4-triazoles and a process for their preparation
Assignee: EIDP Inc
•
Filing: 1964-08-11
•
Granted: 1968-04-02
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Expires: 1984-08-11
Abstract
No abstract record available.
Inventors
- 👤 John R Roland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:56
CPC Classifications
C; C07; C07D; C07D249/00; C07D249/02; C07D249/08; C07D249/10; C07D249/14
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
5 words
A 1,2,4-TRIAZOLE HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
A 1,2,4-TRIAZOLE HAVING THE FORMULA
Claim 3
Dependent Claim
18 words
A PROCESS FOR PREPARING A 1,2,4-CARBAMYL TRIAZOLE OF CLAIM 1 WHICH COMPRISES TREATING A TRIAZOLE OF THE FORMULA
References Cited (Backward Citations)
BE576586A
Cited
FR1193374A
Cited
GB919458A
Cited
US3086855A
Cited
US3222159A
Cited
US3141757A
Cited
US3166399A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |