US3813408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1h-imidazo(4,5-b)pyridine compounds
Assignee: Eli Lilly and Co
•
Filing: 1971-09-17
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Granted: 1974-05-28
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Expires: 1991-09-17
Abstract
Abstract SUBSTITUTED 3-HYDROXY-2 - (1,1 - DIFLUOROALKYL) - 1HIMIDAZO(4,5-B)PYRIDINE COMPOUNDS USEFUL AS HERBICIDES; AND INTERMEDIATES USEFUL IN THE SYNTHESIS OF THESE COMPOUNDS. IN ADDITION TO EXHIBITING HERBICIDAL ACTIVITY, THE SUBSTITUTED 1 - HYDROXY-2-(1,1-DIFLUOROALKYL)-1H-IMIDAZO(4,5-B)PYRIDINE COMPOUNDS ARE OF LOW MAMMALIAN TOXICITY.
Inventors
- 👤 G Doherty
- 👤 K Fuhr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:57
CPC Classifications
C; C07; C07D; C07D471/00; C07D471/02; C07D471/04; A; A01; A01N; A01N43/00; A01N43/90
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) | 1977-05-27 | 1977-11-26 | 1978-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-27 | 1981-11-26 | 1982-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-27 | 1985-11-26 | 1986-05-28 | $7700.00 | Window Closed / Lapsed |