Patent US3776919A successfully refreshed from Google Patents.
US3776919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-acylamino-1,3,4-thiadiazole-(thi)one-(5)compounds and herbicidal compositions
Assignee: Bayer AG
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Filing: 1971-01-11
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Granted: 1973-12-04
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Expires: 1991-01-11
Abstract
Abstract NOVEL 2-ACYLAMINO-1,3,4-THIADIAZOLONE-(5) AND 2ACYLAMINO-1,3,4-THIADIAZOLE THIONE-(5) COMPOUNDS OF THE FORMULA 2-(X=),3-R,5-(R''-CO-NH-)-1,3,4-THIADIAZOLE WHEREIN R AND R'' ARE UNSUBSTITUTED OR SUBSTITUTED ALKYL, CYCLOALKYL, CYCLOALKENYL, ARALKYL OR ARYL; AND X IS OXYGEN OR SULFUR ARE OUTSTANDINGLY EFFECTIVE HERBICIDES, PARTICULARLY SELECTIVE HERBICIDES.
Inventors
- 👤 K Sasse
- 👤 L Eue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:22
CPC Classifications
C; C07; C07D; C07D285/00; C07D285/01; C07D285/02; C07D285/04; C07D285/12; C07D285/125; C07D285/135
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) | 1976-12-03 | 1977-06-04 | 1977-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-03 | 1981-06-04 | 1981-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-03 | 1985-06-04 | 1985-12-04 | $7700.00 | Window Closed / Lapsed |