Patent US3711504A successfully refreshed from Google Patents.
US3711504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing alkyl 2-benzimidazolecarbamates
Assignee: EIDP Inc
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Filing: 1970-07-06
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Granted: 1973-01-16
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Expires: 1990-07-06
Abstract
Abstract THE ALKYL ESTERS OF 2-BENZIMIDAZOLECARBAMIC ACID CAN PREPARED BY HEATING THE ALKYL ESTERS OF 4-(2-AMINOPHENYL)-3-THIOALLPHANIC ACID OR THE DIALKYL ESTERS OF 4,4''(1,2-PHENYLENEBIS)-3-THIALLOPHANIC ACID WITH AN ALKYLATING AGENT IN THE PRESENCE OF BASE. THE PRODUCT ALKYL ESTERS OF 2-BENZIMIDAZOLECARBAMIC ACID ARE USEFUL AS FINGICIDES AND AS INTERMEDICATES FOR OTHER FUNGICIDES.
Inventors
- 👤 C Adams
- 👤 J Wommack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:43
CPC Classifications
C; C07; C07D; C07D235/00; C07D235/02; C07D235/04; C07D235/24; C07D235/30; C07D235/32
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) | 1976-01-16 | 1976-07-17 | 1977-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-16 | 1980-07-17 | 1981-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-16 | 1984-07-17 | 1985-01-16 | $7700.00 | Window Closed / Lapsed |