Patent US3773780A successfully refreshed from Google Patents.
US3773780A
Expired / Lapsed
US
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1-(1,3,4-thiadiazol-2-yl)-imidazolidinone-(2)compounds
Assignee: Bayer AG
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Filing: 1971-03-10
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Granted: 1973-11-20
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Expires: 1991-03-10
Abstract
Abstract CERTAIN 1-(1,3,4-THIADIAZOL-2-YL)-IMIDAZOLIDINONE - (2) COMPOUNDS OF THE FORMULA: 2-(O=),1-(2-R-1,3,4-THIADIAZOL-4-YL),3-R1,4,5-DI(HO-)- IMIDAZOLIDINE IN WHICH R IS HYDROGEN, ALKYL, HALOALKYL, CYCLOALKYL, ALKOXY, ALKOXYALKYL, HALOCYCLOALKYL, ARYL, ALKENYL, ALKYNY OR A RADICAL IN WHICH THESE SUBSTITUENTS AE LINKED TO THE NITROGEN ATOM THROUGH A THIA-LINKAGE WHICH MAY BE OXIDIZED TO SULFONYL OR SULFOXY; AND R1 IS LOWER ALKYL, ALKENYL OR ALKYNYL; ARE OUTSTANDINGLY POTENT HERBICIDES AND EXHIBIT PARTICULARLY SELECTIVE ACTION.
Inventors
- 👤 C Metzger
- 👤 D Rucker
- 👤 L Eue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:08
CPC Classifications
C; C07; C07D; C07D417/00; C07D417/02; C07D417/04
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) | 1976-11-19 | 1977-05-21 | 1977-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-19 | 1981-05-21 | 1981-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-19 | 1985-05-21 | 1985-11-20 | $7700.00 | Window Closed / Lapsed |