US3958976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-Aryl-5,6,7,8-tetrahydroimidazo[1,5a]-pyridine-1,3(2H,8aH)-diones as herbicides
Assignee: EIDP Inc
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Filing: 1975-02-03
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Granted: 1976-05-25
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Expires: 1995-02-03
Abstract
Abstract This invention relates to novel 2-Aryl-5,6,7,8-tetrahydroimidazo[1,5a]-pyridine-1,3(2H,8aH)-diones and their use as herbicides. These novel compounds may be used for selective weed control in certain crops or for total vegetation control.
Inventors
- 👤 Steven Jerome Goddard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:19
CPC Classifications
C; C07; C07D; C07D471/00; C07D471/02; C07D471/06
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
38 words
A compound of the formula ##SPC9## wherein Z is hydrogen or fluorine, and Y is hydrogen or fluorine, X is bromine, chlorine or fluorine, provided that when Y and Z are both fluorine, X must also be fluorine.
Claim 2
Dependent Claim
38 words
A compound of the formula ##SPC9## wherein Z is hydrogen or fluorine, and Y is hydrogen or fluorine, X is bromine, chlorine or fluorine, provided that when Y and Z are both fluorine, X must also be fluorine.
Claim 3
Dependent Claim
68 words
A compound of Claim 1 wherein Z is hydrogen or fluorine, Y is hydrogen or fluorine and X is chlorine or fluorine provided 1. that when X is fluorine at least one of Y or Z must be fluorine, 2. that when X is chlorine, at least one of Y or Z must be hydrogen and 3. when Y and Z are both fluorine, X is also fluorine.
Claim 4
Dependent Claim
6 words
A compound of Claim 1, 2-(4-chlorophenyl)-5,6,7,8-tetrahydroimadazo(1,5a)pyridine-1,3(2H,8aH)-dione.
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 the 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 a 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)
GB1114397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-05-25 | 1979-11-24 | 1980-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-05-25 | 1983-11-24 | 1984-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-05-25 | 1987-11-24 | 1988-05-25 | $7700.00 | Window Closed / Lapsed |