US4231784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal sulfonamides
Assignee: EIDP Inc
•
Filing: 1979-05-10
•
Granted: 1980-11-04
•
Expires: 1999-05-10
Abstract
Abstract N-(Heterocyclicaminocarbonyl)arylsulfonamides, such as N-[(4-methoxy-6-methylamino-1,3,5-triazin-2-yl) aminocarbonyl]benzenesulfonamide, are useful for the regulation of plant growth and as herbicides, particularly for controlling volunteer corn in soybeans.
Inventors
- 👤 George Levitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:15
CPC Classifications
C; C07; C07D; C07D521/00; A; A01; A01N; A01N47/00; A01N47/08; A01N47/28; A01N47/36
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
84 words
A compound selected from ##STR66## where R 1 is ##STR67## R 2 and R 3 are independently hydrogen, fluorine, chlorine, bromine, methyl, methoxy, nitro or trifluoromethyl; W is oxygen or sulfur; X is -NHCH 3 or -N(CH 3 ) 2 ; Z is methyl or methoxy; and A is ##STR68## or N and their agriculturally suitable salts provided that when R 2 is nitro or trifluoromethyl, R 3 can not be nitro or trifluoromethyl and when A is N, then R 1 is ##STR69##
Claim 2
Dependent Claim
84 words
A compound selected from ##STR66## where R 1 is ##STR67## R 2 and R 3 are independently hydrogen, fluorine, chlorine, bromine, methyl, methoxy, nitro or trifluoromethyl; W is oxygen or sulfur; X is -NHCH 3 or -N(CH 3 ) 2 ; Z is methyl or methoxy; and A is ##STR68## or N and their agriculturally suitable salts provided that when R 2 is nitro or trifluoromethyl, R 3 can not be nitro or trifluoromethyl and when A is N, then R 1 is ##STR69##
Claim 3
Dependent Claim
10 words
The compound of claim 1 wherein R 1 is ##STR70##
Claim 4
Dependent Claim
15 words
The compound of claim 1 wherein R 2 is fluorine, chlorine, bromine, methyl or nitro.
Claim 5
Dependent Claim
16 words
A compound of claim 1 wherein R 3 is hydrogen, fluorine, chlorine, bromine, methyl or nitro.
Claim 6
Dependent Claim
25 words
A compound of claim 1 wherein R 1 is ##STR71## R 2 is chlorine, methyl or nitro; and R 3 is hydrogen, chlorine or methyl.
Claim 7
Dependent Claim
9 words
A compound of claim 5 wherein W is oxygen.
Claim 8
Dependent Claim
28 words
A compound of claim 1 wherein R 1 is ##STR72## R 2 is chlorine, methyl or nitro; R 3 is hydrogen, chlorine or methyl; and X is oxygen.
Claim 9
Dependent Claim
6 words
The compound of claim 1, N-[(4-dimethylamino-6-methoxypyrimidim-2-yl)aminocarbonyl]-2-methylbenzenesulfonamide.
Claim 10
Dependent Claim
33 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 11
Dependent Claim
33 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 12
Dependent Claim
27 words
A method for the control of undesirable vegetation comprising applying to the locus of such undesirable vegetation a herbicidally effective amount of a compound of claim 1.
Claim 13
Dependent Claim
27 words
A method for the control of undesirable vegetation comprising applying to the locus of such undesirable vegetation a herbicidally effective amount of a compound of claim 2.
References Cited (Backward Citations)
FR1468747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-11-04 | 1984-05-05 | 1984-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-11-04 | 1988-05-05 | 1988-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-11-04 | 1992-05-05 | 1992-11-04 | $7700.00 | Window Closed / Lapsed |