Patent US3705028A successfully refreshed from Google Patents.
US3705028A
Expired / Lapsed
US
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Use of arylureas in combating weeds in cotton plantations
Assignee: Novartis AG
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Filing: 1970-01-26
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Granted: 1972-12-05
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Expires: 1990-01-26
Abstract
Abstract THE USE IN COMBATING WEEDS IN COTTON PLATATIONS OF COMPOUNDS OF THE FORMULA 1-(Z-O-),2-Y,4-(0HC-N(-CH3)-CO-NH-)BENZENE IN WHICH REPRESENTS A C1-C4 ALKYL RADICAL, A C2-C4 ALKENYL RADICAL OR A C2-C4 ALKINYL RADICAL AND Y STANDS FOR A FLUORINE, CHLORINE, BROMINE OR IODINE ATOM OR A TRIFLUOROMETHYL RADICAL.
Inventors
- 👤 Stefan Janiak
- 👤 Otto Rohr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:48
CPC Classifications
C; C07; C07C; C07C275/00; C07C275/46; C07C275/48; C07C275/50
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) | 1975-12-05 | 1976-06-05 | 1976-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-05 | 1980-06-05 | 1980-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-05 | 1984-06-05 | 1984-12-05 | $7700.00 | Window Closed / Lapsed |