US3990880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal isobenzofuranones
Assignee: EIDP Inc
•
Filing: 1975-11-06
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Granted: 1976-11-09
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Expires: 1995-11-06
Abstract
Abstract This invention relates to herbicidal isobenzofuranones. These compounds may be used for selective weed control in certain crops or for total vegetation control.
Inventors
- 👤 Franklin Edward Mumford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:42
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/77; C07D307/87; C07D307/90
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
36 words
A compound of the formula ##SPC5##220 ##SPC6## wherein X is fluorine, chlorine or bromine; Y is hydrogen or fluorine; and Z is hydrogen or fluorine; provided that when Y and Z are fluorine, X is fluorine.
Claim 2
Dependent Claim
36 words
A compound of the formula ##SPC5##220 ##SPC6## wherein X is fluorine, chlorine or bromine; Y is hydrogen or fluorine; and Z is hydrogen or fluorine; provided that when Y and Z are fluorine, X is fluorine.
Claim 3
Dependent Claim
9 words
A compound of claim 1 wherein X is chlorine.
Claim 4
Dependent Claim
16 words
A compound of claim 1 wherein X is chlorine; Y is hydrogen, and Z is fluorine.
Claim 5
Dependent Claim
32 words
A composition for the control of undesirable vegetation consisting essentially of a compound of claim 1 and at least one of (a) a surface-active agent and (b) a solid or liquid diluent.
Claim 6
Dependent Claim
32 words
A composition for the control of undesirable vegetation consisting essentially of a compound of claim 2 and at least one of (a) a surface-active agent and (b) a solid or liquid diluent.
Claim 7
Dependent Claim
32 words
A composition for the control of undesirable vegetation consisting essentially of a compound of claim 3 and at least one of (a) a surface-active agent and (b) a solid or liquid diluent.
Claim 8
Dependent Claim
27 words
A method for the control of undesirable vegetation comprising applying to the locus of such undesired vegetation, a herbicidally effective amount of the compound of claim 1.
Claim 9
Dependent Claim
27 words
A method for the control of undesirable vegetation comprising applying to the locus of such undesired vegetation, a herbicidally effective amount of the compound of claim 2.
Claim 10
Dependent Claim
27 words
A method for the control of undesirable vegetation comprising applying to the locus of such undesired vegetation, a herbicidally effective amount of the compound of claim 3.
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) | 1979-11-09 | 1980-05-10 | 1980-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-11-09 | 1984-05-10 | 1984-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-11-09 | 1988-05-10 | 1988-11-09 | $7700.00 | Window Closed / Lapsed |