Patent US5511045A successfully refreshed from Google Patents.
Patent US3555040A successfully refreshed from Google Patents.
US3555040A
Expired / Lapsed
US
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2-halogeno-benzimidazole derivatives
Assignee: Novartis Corp
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Filing: 1966-08-04
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Granted: 1971-01-12
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Expires: 1986-08-04
Abstract
Abstract 2-HALOGENO-BENZIMIDAZOLE DERIVATIVES HAVING THE STRUCTURE 1-R2,2-HAL,(R)M-BENZIMIDAZOLE IN WHICH HAL IS FLUORINE, CHLORINE OR BROMINE, R IS HALOGEN, LOWER ALKYL, LOWER ALKOXY, TRIFLUOROMETHYL, LOWER ALKYLAMINO, OR OTHER SUBSTITUENTS, R2 IS HYDROGEN OR A METAL CATION, AND M IS AN INTEGER FROM 2 TO 4, ARE USEFUL FOR THE CONTROL OF KERATIN-DEVOURING INSECTS. A SUB-CLASS OF THESE DERIVATIVES IN WHICH M IS AT MOST 3 AND WHICH ADDITIONALLY CONTAIN ON THE PHENYL RING A SUBSTITUENT SELECTED FROM AMONG CERTAIN BENZOYLAMINO, BENZENESULFONYLAMINO OR ALKYLSULFONYLAMINO GROUPS ARE NEW COMPOUNDS.
Inventors
- 👤 Wilhelm Ernst Frick
- 👤 Thomas Wenger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:48
CPC Classifications
C; C07; C07D; C07D235/00; C07D235/02; C07D235/04; C07D235/24; C07D235/06; C07D235/10; D; D06; D06M; D06M16/00; D06M16/006
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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |