US3658830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
5-(substituted mercapto sulfiny sulfonyl or sulfamoyl)
Assignee: Shell USA Inc
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Filing: 1970-01-16
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Granted: 1972-04-25
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Expires: 1990-01-16
Abstract
Abstract CERTAIN NOVEL THIZAOLE DERIVATIVES SUBSTITUTED IN THE 2-POSITION ON THE RING WITH UREA MOIETIES, AND IN THE 5POSITION ON THE RING WITH MERCAPTO, SULFINYL, SULFONYL OR SULFAMOYL MOIETIES ARE DESCRIBED AS WELL AS THEIR PREPARATION AND USE AS HERBICIDES.
Inventors
- 👤 Kurt H Pilgram
- 👤 Richard D Skiles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:03
CPC Classifications
C; C07; C07D; C07D277/00; C07D277/02; C07D277/20; C07D277/32; C07D277/38; C07D277/44; C07D277/48; A; A01; A01N; A01N43/00; A01N43/72; A01N43/74; A01N43/78
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) | 1975-04-25 | 1975-10-25 | 1976-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-25 | 1979-10-25 | 1980-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-25 | 1983-10-25 | 1984-04-25 | $7700.00 | Window Closed / Lapsed |