US3812184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-nitro-5-(halophenoxy)benzoyl chlorides
Assignee: Bayer CropScience SA
•
Filing: 1973-02-22
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Granted: 1974-05-21
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Expires: 1993-02-22
Abstract
Abstract 2-NITRO-5(HALOPHENOXY) BENZOIC ACIDS AND ESTERS, SALTS, AMIDES, AND ACYL HALIDES THEREOF COMPRISES A CLASS OF COMPOUNDS THAT ARE HIGHLY EFFECTIVE PRE- AND POST-EMERGENCE HERBICIDES.
Inventors
- 👤 R Theissen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:28
CPC Classifications
C; C07; C07C; C07C205/00; C07C205/49; C07C205/57; C07C205/59
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) | 1977-05-20 | 1977-11-19 | 1978-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-20 | 1981-11-19 | 1982-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-20 | 1985-11-19 | 1986-05-21 | $7700.00 | Window Closed / Lapsed |