US3907866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Higher halophenoxy benzoic acid esters
Assignee: Bayer CropScience SA
•
Filing: 1974-06-07
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Granted: 1975-09-23
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Expires: 1994-06-07
Abstract
Abstract Alkyl (C4-C12), cycloalkyl (C3-C8), and unsaturated hydrocarbyl (C3-C10) esters of 2-nitro-5-(halophenoxy)benzoic acids comprise a class of compounds that are highly effective pre- and postemergence herbicides.
Inventors
- 👤 Robert J Theissen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:57
CPC Classifications
C; C07; C07C; C07C205/00; C07C205/49; C07C205/57; C07C205/59
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 3
Dependent Claim
11 words
A compound of claim 1, wherein said compound is Cyclohexyl 5-(2'',4''-dichlorophenoxy)-2-nitrobenzoate.
Claim 4
Dependent Claim
11 words
A compound of claim 1, wherein said compound is 2-Octyl 5-(2'',4''-dichlorophenoxy)-2-nitrobenzoate.
Claim 5
Dependent Claim
11 words
A compound of claim 1, wherein said compound is Cyclohexyl 2-Nitro-5-(2'',4'',6''-trichlorophenoxy)benzoate.
Claim 6
Dependent Claim
11 words
A compound of claim 1, wherein said compound is 3-Butyn-2-yl 5-(2'',4''-dichlorophenoxy)-2-nitrobenzoate.
Claim 7
Dependent Claim
11 words
A compound of claim 1, wherein said compound is 2-Methyl-3-butyn-2-yl 5-(2'',4''-dichlorophenoxy)-2-nitrobenzoate.
Claim 8
Dependent Claim
11 words
A compound of claim 1, wherein said compound is 3-Butyn-2-yl 5-(2'',4''-dichloro-6''-flurophenoxy)-2-nitrobenzoate.
References Cited (Backward Citations)
US3798276A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-22 | 1979-03-24 | 1979-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-22 | 1983-03-24 | 1983-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-22 | 1987-03-24 | 1987-09-23 | $7700.00 | Window Closed / Lapsed |