US3637847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-haloalkyl-anilides
Assignee: Monsanto Co
•
Filing: 1969-09-03
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Granted: 1972-01-25
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Expires: 1989-09-03
Abstract
Abstract N-HALOALKYLANILIDES AND THEIR PREPARATION BY THE REACTION OF ACYL HALIDES WITH AROMATIC AZOALKINE. THESE COMPOUNDS POSSESS HERBICIDAL ACTIVITY AND ARE VALUABLE INTERMEDIATES FOR THE PREPARATION OF COMPOUNDS HAVING HERBICIDAL ACTIVITY.
Inventors
- 👤 John F Olin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:25
CPC Classifications
C; C07; C07C; C07C233/00; C07C233/01; C07C233/16
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) | 1975-01-24 | 1975-07-26 | 1976-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-24 | 1979-07-26 | 1980-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-24 | 1983-07-26 | 1984-01-25 | $7700.00 | Window Closed / Lapsed |