US4240822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for controlling undesirable plants using 1H-benzotriazole and 2H-benzotriazole compounds
Assignee: Wyeth Holdings LLC
•
Filing: 1978-12-04
•
Granted: 1980-12-23
•
Expires: 1998-12-04
Abstract
Abstract The invention is a method for the control of undesirable broadleaf weeds and grass weeds. More particularly, the invention relates to a method for controlling undesirable weeds by applying to the foliage thereof or to soil containing seeds of the undesirable weeds, a herbicidally effective amount of a 1H-benzotriazole or 2H-benzotriazole compound.
Inventors
- 👤 Robert E. Diehl
- 👤 Roger V. Kendall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:03
CPC Classifications
C; C07; C07D; C07D249/00; C07D249/16; C07D249/18; A; A01; A01N; A01N43/00; A01N43/64; A01N43/647; A01N47/00; A01N47/02; A01N47/04; A01N47/08; A01N47/10; A01N47/16; A01N47/28; A01N47/38
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
212 words
A method for the control of undesirable plant species comprising; applying to undesirable plants or soil containing seeds, a herbicidally effective amount of a compound having the formula: ##STR109## wherein R 1 is secondary alkyl C 3 -C 7 ; benzyl; cyclohexenyl; alkoxy C 3 -C 4 ; acetyl; chloroacetyl; 2-butan-3-one; isobutyryl; t-butyl; methoxymethylpropyl; 2-cyclohexyl-1-one; ##STR110## where n is 0 or 1; or --(CH 2 ) n -cycloalkyl C 3 -C 8 optionally substituted with hydroxy, alkoxy C 1 -C 3 , alkyl C 1 -C 3 , or ##STR111## where R is hydrogen or C 1 -C 2 alkyl and n is 0 or 1; R 2 is secondary alkyl C 3 -C 7 ; benzyl; cycloalkenyl C 3 -C 8 ; --(CH 2 ) n -cycloalkyl (C 3 -C 8 ) optionally substituted with hydroxy, alkoxy C 1 -C 3 , alkyl C 1 -C 3 or ##STR112## where R is hydrogen or C 1 -C 2 alkyl and n is 0 or 1; 2-cyclohexyl-1`-one or ##STR113## where n is 0 or 1; R 4 represents, chloro, isothiacyano, cyano, methoxy or nitro; R 5 and R 6 and R 7 are each hydrogen wherein said compound is applied at the rate of from about 0.25 lb./acre to about 4.0 lbs./acre.
Claim 2
Independent Claim
212 words
A method for the control of undesirable plant species comprising; applying to undesirable plants or soil containing seeds, a herbicidally effective amount of a compound having the formula: ##STR109## wherein R 1 is secondary alkyl C 3 -C 7 ; benzyl; cyclohexenyl; alkoxy C 3 -C 4 ; acetyl; chloroacetyl; 2-butan-3-one; isobutyryl; t-butyl; methoxymethylpropyl; 2-cyclohexyl-1-one; ##STR110## where n is 0 or 1; or --(CH 2 ) n -cycloalkyl C 3 -C 8 optionally substituted with hydroxy, alkoxy C 1 -C 3 , alkyl C 1 -C 3 , or ##STR111## where R is hydrogen or C 1 -C 2 alkyl and n is 0 or 1; R 2 is secondary alkyl C 3 -C 7 ; benzyl; cycloalkenyl C 3 -C 8 ; --(CH 2 ) n -cycloalkyl (C 3 -C 8 ) optionally substituted with hydroxy, alkoxy C 1 -C 3 , alkyl C 1 -C 3 or ##STR112## where R is hydrogen or C 1 -C 2 alkyl and n is 0 or 1; 2-cyclohexyl-1`-one or ##STR113## where n is 0 or 1; R 4 represents, chloro, isothiacyano, cyano, methoxy or nitro; R 5 and R 6 and R 7 are each hydrogen wherein said compound is applied at the rate of from about 0.25 lb./acre to about 4.0 lbs./acre.
Claim 3
Dependent Claim
25 words
A method according to claim 1 for the postemergence control of undesirable plants, wherein the compound is applied to the foliage of the undesirable plants.
Claim 4
Dependent Claim
26 words
A method according to claim 1 for the preemergence control of undesirable plants, wherein the compound is applied to soil containing seeds of the undesirable plants.
Claim 5
Dependent Claim
82 words
A method according to claim 1 wherein R 1 represents secondary alkyl C 3 -C 7 ; benzyl; cyclohexenyl; --(CH 2 ) n -cycloalkyl (C 3 -C 8 ) optionally substituted with a hydroxy, alkoxy C 1 -C 3 , alkyl C 1 -C 3 , or ##STR114## wherein R is hydrogen or C 1 -C 2 alkyl and n is 0 or 1; 2-cyclohexyl-1-one or ##STR115## where n is 0 or 1; R 4 represents, chloro, isothiocyano, cyano, methoxy or nitro.
Claim 6
Dependent Claim
80 words
A method according to claim 1, wherein R 2 represents secondary alkyl C 3 -C 7 ; benzyl; cyclohexenyl --(CH 2 ) n -cycloalkyl (C 3 -C 8 ) optionally substituted with hydroxy, alkoxy C 1 -C 3 , alkyl C 1 -C 3 or ##STR116## wherein R is hydrogen C 1 -C 2 alkyl and n is 0 or 1; 2-cyclohexyl-b 1-one or ##STR117## where n is 0 or 1; R 4 represents, chloro, isothiocyano, cyano, methoxy or nitro.
Claim 7
Dependent Claim
36 words
A method according to claim 1 wherein R 1 is acetyl; chloroacetyl; 2-butanone; methoxymethylpropyl; isobutyryl or tertiarybutyl and R 4 , R 5 , R 6 and R 7 are as described in said claim 1.
Claim 8
Dependent Claim
70 words
A method according to claim 2 wherein R 1 is secondary alkyl C 3 -C 7 ; --(CH 2 ) n -cycloalkyl (C 3 -C 8 ) optionally substituted with a hydroxy, alkoxy C 1 -C 3 , alkyl C 1 -C 3 or ##STR118## wherein R is hydrogen or C 1 -C 2 alkyl and n is 0 or 1; 2-cyclohexyl-1-one or ##STR119## where n is 0 or 1.
Claim 9
Dependent Claim
11 words
A method according to claim 2 wherein the compound is 1-benzyl-4-nitro-1-H-benzotriazole.
Claim 10
Dependent Claim
11 words
A method according to claim 2 wherein the compound is 1-isopropyl-4-nitro-1-H-benzotriazole.
Claim 11
Dependent Claim
11 words
A method according to claim 2 wherein the compound is 1-(2,3-dichlorocyclohexyl)-4-nitro-1-H-benzotriazole.
Claim 12
Dependent Claim
18 words
A method for the control of undesirable plant species according to claim 1 wherein the compound is 1-cyclohexyl-4-nitro-1H-benzotriazole.
Claim 13
Dependent Claim
18 words
A method of the control of undesirable plant species according to claim 1 wherein the compound is 1-(2-methylcyclohexyl)-4-nitro-1H-benzotriazole.
Claim 14
Dependent Claim
18 words
A method for the control of undesirable plant species according to claim 1 wherein the compound is 1-(2-cyclohexen-1-yl)-4-nitro-1H-benzotriazole.
Claim 15
Dependent Claim
18 words
A method for the control of undesirable plant species according to claim 1 wherein the compound is 1-cyclohexyl-4-cyano-1H-benzotriazole.
Claim 16
Dependent Claim
18 words
A method for the control of undesirable plant species according to claim 1 wherein the compound is 1-cyclohexyl-4-chloro-1H-benzotriazole.
References Cited (Backward Citations)
US2927883A
Cited
GB990111A
Cited
US3268526A
Cited
US3255194A
Cited
US3301832A
Cited
US3231579A
Cited
US3472866A
Cited
US3637736A
Cited
US3652580A
Cited
US3592822A
Cited
US3875173A
Cited
US3890343A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-12-23 | 1984-06-23 | 1984-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-12-23 | 1988-06-23 | 1988-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-12-23 | 1992-06-23 | 1992-12-23 | $7700.00 | Window Closed / Lapsed |