US3780090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-halogenoacyl phenyl amino acid esters
Assignee: Sumitomo Chemical Co Ltd
•
Filing: 1972-03-15
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Granted: 1973-12-18
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Expires: 1992-03-15
Abstract
Abstract N-HALOGENOACYLANILINO ACIDS AND ESTER DERIVATIVES ARE DISCLOSED. THE COMPOUNDS EXHIBIT HERBICIDAL PROPERTIES.
Inventors
- 👤 N Hino
- 👤 K Tateishi
- 👤 N Kameda
- 👤 A Mine
- 👤 A Fujinami
- 👤 Y Asano
- 👤 K Akiba
- 👤 T Satomi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:16
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/44; A01N37/46; C; C07; C07C; C07C233/00; C07C233/01; C07C233/45; C07C233/46
Claims Analysis
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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) | 1976-12-17 | 1977-06-18 | 1977-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-17 | 1981-06-18 | 1981-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-17 | 1985-06-18 | 1985-12-18 | $7700.00 | Window Closed / Lapsed |