US3784571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic acid addition salts of 1-(butyl-carbamoyl) - 2-(methylamino)-benzimidazole and method for preparing the same
Assignee: Individual
•
Filing: 1972-05-15
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Granted: 1974-01-08
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Expires: 1992-05-15
Abstract
Abstract 1- (BUTYLCARBAMOYL) - 2 (METHYLAMINO)-BENZIMIDAZOLIUM SALTS ARE PREPARED BY HEATING METHYL 1- (BUTYLCARBAMOYL) - 2 BENZIMIDAZOLECARBAMATE AND AN ORGANIC ACID HAVING FROM1 TO ABOUT 6 CARBON ATOMS, SUCH AS LACTIC ACID, IN A POLAR SOLVENT, SUCH AS DIMETHYL SULFOXIDE, TO A TEMPERATURE BETWEEN ABOUT 175 ABD 315 DEGREES F. THE BENZIMIDAZOLIUM SALTS ARE EFFECTIVE IN THE CONTROL OF CERTAIN PLANT FUNGUS DISEASE.
Inventors
- 👤 D Dodds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:10
CPC Classifications
C; C07; C07D; C07D235/00; C07D235/02; C07D235/04; C07D235/24; C07D235/30
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) | 1977-01-07 | 1977-07-09 | 1978-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-07 | 1981-07-09 | 1982-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-07 | 1985-07-09 | 1986-01-08 | $7700.00 | Window Closed / Lapsed |