US3781327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Meta-carbanilate ethers
Assignee: Zeneca Inc
•
Filing: 1970-12-10
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Granted: 1973-12-25
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Expires: 1990-12-10
Abstract
Abstract IN WHICH X IS OXYGEN OR SULFUR; Y IS OXYGEN OR SULFUR; R IS BRANCHED AND STRAIGHT CHAIN ALKYL, ALKENYL, VINYLOXYALKYL, KETOALKYL, OR ALKYLTHIOALKYL; AND R1 IS ALKYL OR ALKENYL. THE COMPOUNDS OF THIS INVENTION ARE USEFUL AS HERBICIDES. 1-(R-X-),3-(R1-Y-CO-NH-)BENZENE META-CARBANILATE ETHERS AND SULFIDES HVING THE FORMULA
Inventors
- 👤 E Teach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:12
CPC Classifications
C; C07; C07C; C07C333/00; C07C333/02
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) | 1976-12-24 | 1977-06-25 | 1977-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-24 | 1981-06-25 | 1981-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-24 | 1985-06-25 | 1985-12-25 | $7700.00 | Window Closed / Lapsed |