Patent US3699115A successfully refreshed from Google Patents.
US3699115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-aryl-isothiazole-4,5-dicarboxylates
Assignee: Monsanto Co
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Filing: 1969-11-25
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Granted: 1972-10-17
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Expires: 1989-11-25
Abstract
Abstract PREPARATION OF 3-ARYL-ISOTHIAZOLE-4,5-DICARBOXYLATES FROM 5-ARYL-1,3,4-OXATHIAZOL-2-ONES AND ACETYLENEDICARBOXYLIC ACID ESTERS AND THEIR USE AS CONTACT BROADLEAF HERBICIDES.
Inventors
- 👤 John E Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:48
CPC Classifications
C; C07; C07D; C07D275/00; C07D275/02; C07D275/03
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) | 1975-10-17 | 1976-04-17 | 1976-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-17 | 1980-04-17 | 1980-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-17 | 1984-04-17 | 1984-10-17 | $7700.00 | Window Closed / Lapsed |