Patent US3657443A successfully refreshed from Google Patents.
US3657443A
Expired / Lapsed
US
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2-benzimidazolecarbamic acid alkyl esters as foliar fungicides
Assignee: EIDP Inc
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Filing: 1969-09-29
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Granted: 1972-04-18
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Expires: 1989-09-29
Abstract
Abstract COMPOUNDS OF THE FORMULA: 2-(R-OOC-HN-)IMIDAZOLE WHERE R IS METHYL OR ETHYL, PARTICULARLY WHEN IN THE FORM OF PARTICLES BELOW 5 MICRONS IN DIAMETER, ARE USEFUL AS FUNGICIDES TO CONTROL FUNGUS DISEASES OF LIVING PLANTS. WHEN THESE COMPOUNDS ARE FORMULATED OR MIXED WITH SUITABLE ADJUVANTS, SUCH AS NONPHYTOTOXIC SPRAY OILS OR HUMECTANTS, IMPROVED FUNGICIDAL ACTIVITY IS OBTAINED WITH CONTINUING SAFETY TO THE TREATED PLANTS.
Inventors
- 👤 Hein Louis Klopping
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:06
CPC Classifications
C; C07; C07D; C07D235/00; C07D235/02; C07D235/04; C07D235/24; C07D235/30; C07D235/32; A; A01; A01N; A01N43/00; A01N43/48; A01N43/50; A01N43/52; A01N47/00; A01N47/08; A01N47/10; A01N47/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-04-18 | 1975-10-18 | 1976-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-18 | 1979-10-18 | 1980-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-18 | 1983-10-18 | 1984-04-18 | $7700.00 | Window Closed / Lapsed |