US3794683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halocarboxylic acid anilides
Assignee: Hoechst AG
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Filing: 1971-08-24
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Granted: 1974-02-26
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Expires: 1991-08-24
Abstract
Abstract IN WHICH X1 AND X2 STAND FOR CHLORINE, FLUORINE OR BROMINE, X3 REPRESENTS HYDROGEN, CHLORINE, FLUORINE, BROMINE OR CHL2, Z MEANS NO2 OR CF3, HAL REPRESENTS IDENTICAL OR DIFFERENT HALOGEN ATOMS, PREFERABLY CHLORINE, BROMINE OR FLUORINE, N1 BEING ZERO OR 1 OR 2, AND THE SUM OF ZERO OR 1 OR 2, N3 BEING ZERO OR 1 OR 2 OR 3, N2 BEING N1 + N2 + N3 IS AN INTEGER IN THE RANGE OF FROM 1 TO 4. THE NOVEL COMPOUNDS HAVE A GOOD HERBICIDAL EFFECT AGAINST A SERIES OF MONO- AND DICOTYLEDONS. (X1-C(-X2)(-X3)-CO-NH-),(HAL-)N1,(NC-)N2,(F3C-)N2,Z-BENZENE THE INVENTION PROVIDES SUBSTITUTED HALOCARBOXYLIC ACID ANILIDES OF THE GENERAL FORMULA A
Inventors
- 👤 G Gassner
- 👤 G Horlein
- 👤 H Rochling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:30
CPC Classifications
C; C07; C07C; C07C233/00
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) | 1977-02-25 | 1977-08-27 | 1978-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-25 | 1981-08-27 | 1982-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-25 | 1985-08-27 | 1986-02-26 | $7700.00 | Window Closed / Lapsed |