Patent US3992189A successfully refreshed from Google Patents.
US3992189A
Expired / Lapsed
US
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Herbicidal isoindol-1-one derivatives
Assignee: EIDP Inc
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Filing: 1975-10-31
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Granted: 1976-11-16
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Expires: 1995-10-31
Abstract
Abstract This invention relates to herbicidal isoindol-1-one derivatives. These compounds have the general formulae:
Inventors
- 👤 Steven Jerome Goddard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:21
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/44; C07D209/48; C07D209/46
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
77 words
A compound of the formulae ##SPC10## Wherein R 1 is hydrogen or methyl; R 2 is hydrogen or alkyl of 1 to 4 carbons; X is fluorine, chlorine or bromine; Y is hydrogen or fluorine; Z is hydrogen or fluorine, provided that when Y and Z are both fluorine, X must also be fluorine; and A is --(CH 2 ) 4-- or --CH=CH--CH=CH--, provided that when A is --CH=CH--CH=CH-- and Y is hydrogen, Z must be fluorine.
Claim 2
Dependent Claim
77 words
A compound of the formulae ##SPC10## Wherein R 1 is hydrogen or methyl; R 2 is hydrogen or alkyl of 1 to 4 carbons; X is fluorine, chlorine or bromine; Y is hydrogen or fluorine; Z is hydrogen or fluorine, provided that when Y and Z are both fluorine, X must also be fluorine; and A is --(CH 2 ) 4-- or --CH=CH--CH=CH--, provided that when A is --CH=CH--CH=CH-- and Y is hydrogen, Z must be fluorine.
Claim 3
Dependent Claim
14 words
A compound of claim 1 wherein either Formula IIa or Formula IIb is utilized.
Claim 4
Dependent Claim
17 words
A compound of claim 2 wherein z is fluorine and A is --(CH 2 ) 4-- .
Claim 5
Dependent Claim
10 words
A compound of claim 3 wherein R 1 is hydrogen.
Claim 6
Dependent Claim
10 words
A compound of claim 4 wherein R 2 is hydrogen.
Claim 7
Dependent Claim
3 words
The compound 2-(4-chloro-2-fluorophenyl)-2,3,4,5,6,7-hexahydro-3-methylene-1H-isoindol-1-one.
Claim 8
Dependent Claim
3 words
The compound 2-(4-chloro-2-fluorophenyl)-2,3,4,5,6,7-hexahydro-3-methylene-1H-isoindol-1-one.
Claim 9
Dependent Claim
31 words
A composition for the control of undesirable vegetation consisting essentially of a compound of claim 1 and at least one of (a) surface-active agent and (b) a solid or liquid diluent.
Claim 10
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 11
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 12
Dependent Claim
32 words
A composition for the control of undesirable vegetation consisting essentially of a compound of claim 4, and at least one of (a) a surface-active agent and (b) a solid or liquid diluent.
Claim 13
Dependent Claim
32 words
A composition for the control of undesirable vegetation consisting essentially of a compound of claim 5 and at least one of (a) a surface-active agent and (b) a solid or liquid diluent.
Claim 14
Dependent Claim
32 words
A composition for the control of undesirable vegetation consisting essentially of the compound of claim 6, and at least one of (a) a surface-active agent and (b) a solid or liquid diluent.
Claim 15
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 16
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 2.
Claim 17
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 3.
Claim 18
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 4.
Claim 19
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 5.
Claim 20
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 6.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-11-16 | 1980-05-17 | 1980-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-11-16 | 1984-05-17 | 1984-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-11-16 | 1988-05-17 | 1988-11-16 | $7700.00 | Window Closed / Lapsed |