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US3933470A
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Ester of (alkynyloxy)-, (alkenyloxy)-, and (cyanoalkoxy) carbanilic acids and their use as herbicides
Assignee: Wyeth Holdings LLC
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Filing: 1974-05-24
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Granted: 1976-01-20
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Expires: 1994-05-24
Abstract
Abstract The invention is novel esters of (alkynyloxy)-, (alkenyloxy)-, and (cyanoalkoxy) carbanilic acids and the thiono and dithio derivatives of the carbanilic acids, and their use for controlling broadleaf weeds and grasses.
Inventors
- 👤 Barrington Cross
- 👤 Robert Louis Arotin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:50
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/20; C; C07; C07C; C07C271/00; C07C271/06
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
69 words
A method for the control of undesirable plant species comprising applying to said undesirable plants or locus of plants or seeds a herbicidally effective amount of a compound of the formula: ##SPC8## wherein A is hydrogen, chlorine or --OCH 2 C.tbd.CH; B is hydrogen, --O--CH.sub.2 C.tbd.CH or --OCH.sub.2 CH=CH.sub.2 R is alkyl (C 1 --C 4 ) benzyl, or cyclohexyl; provided that A and B are both not hydrogen.
Claim 2
Independent Claim
69 words
A method for the control of undesirable plant species comprising applying to said undesirable plants or locus of plants or seeds a herbicidally effective amount of a compound of the formula: ##SPC8## wherein A is hydrogen, chlorine or --OCH 2 C.tbd.CH; B is hydrogen, --O--CH.sub.2 C.tbd.CH or --OCH.sub.2 CH=CH.sub.2 R is alkyl (C 1 --C 4 ) benzyl, or cyclohexyl; provided that A and B are both not hydrogen.
Claim 3
Dependent Claim
14 words
A method according to claim 1 wherein the compound is of the formula: ##SPC9##
Claim 4
Dependent Claim
14 words
A method according to claim 1 wherein the compound is of the formula: ##SPC10##
Claim 5
Dependent Claim
14 words
A method according to claim 1 wherein the compound is of the formula: ##SPC11##
Claim 6
Independent Claim
74 words
A method for the selective post-emergence control of undesirable plant species in the presence of agronomic crops, comprising applying to the foliage of said undesirable plants a herbicidally effective amount of a compound of the formula: ##SPC12## wherein A is hydrogen, chlorine or --OCH 2 C.tbd.CH; B is hydrogen, --O--CH.sub.2 C.tbd.CH or --OCH.sub.2 CH=CH.sub.2 R is alkyl (C 1 --C 4 ), benzyl, or cyclohexyl; provided that A and B are both not hydrogen.
Claim 7
Independent Claim
74 words
A method for the selective post-emergence control of undesirable plant species in the presence of agronomic crops, comprising applying to the foliage of said undesirable plants a herbicidally effective amount of a compound of the formula: ##SPC12## wherein A is hydrogen, chlorine or --OCH 2 C.tbd.CH; B is hydrogen, --O--CH.sub.2 C.tbd.CH or --OCH.sub.2 CH=CH.sub.2 R is alkyl (C 1 --C 4 ), benzyl, or cyclohexyl; provided that A and B are both not hydrogen.
Claim 8
Independent Claim
76 words
A method for the selective preemergence control of undesirable plant species in the presence of agronomic crops, comprising applying to the soil containing seeds of said undesirable plants a herbicidally effective amount of a compound of the formula: ##SPC13## wherein A is hydrogen, chlorine or --OCH 2 C.tbd.CH; B is hydrogen, --O--CH.sub.2 C.tbd.CH or --OCH.sub.2 CH=CH.sub.2 R is alkyl (C 1 --C 4 ), benzyl, or cyclohexyl; provided that A and B are both not hydrogen.
Claim 9
Independent Claim
76 words
A method for the selective preemergence control of undesirable plant species in the presence of agronomic crops, comprising applying to the soil containing seeds of said undesirable plants a herbicidally effective amount of a compound of the formula: ##SPC13## wherein A is hydrogen, chlorine or --OCH 2 C.tbd.CH; B is hydrogen, --O--CH.sub.2 C.tbd.CH or --OCH.sub.2 CH=CH.sub.2 R is alkyl (C 1 --C 4 ), benzyl, or cyclohexyl; provided that A and B are both not hydrogen.
Claim 10
Dependent Claim
11 words
A method according to claim 6 wherein the compound is: ##SPC14##
Claim 11
Dependent Claim
11 words
A method according to claim 6 wherein the compound is: ##SPC15##
Claim 12
Dependent Claim
11 words
A method according to claim 6 wherein the compound is: ##SPC16##
References Cited (Backward Citations)
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-01-19 | 1979-07-21 | 1980-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-19 | 1983-07-21 | 1984-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-19 | 1987-07-21 | 1988-01-20 | $7700.00 | Window Closed / Lapsed |