US3871866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicide and method for controlling weeds
Assignee: Wyeth Holdings LLC
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Filing: 1971-06-01
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Granted: 1975-03-18
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Expires: 1991-06-01
Abstract
Abstract Herbicidal compositions containing (1) an alkyl Nphenylcarbamate, (2) 2-chloro-2'', 6''-diethyl-N(methoxymethyl)acetanilide, and (3) an aryl N-alkylcarbamate, an aryl N,N-dialkylcarbamate, or an aryl N-cycloalkylcarbamate are disclosed. An exemplary composition contains isopropyl N-(3chlorophenyl)carbamate, 2-chloro-2'', 6''-diethyl-N-(methoxymethyl)acetanilide, and 4-chlorophenyl N-methylcarbamate. These compositions are generally used for pre-emergent applications. The compounds may be applied together or separately.
Inventors
- 👤 Warren H Zick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:29
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/22
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
57 words
A HERBICIDAL COMPOSITION CONTAINING HERBICIDALLYEFFECTIVE AMOUNTS OF BOTH AN ALKYL N-PHENYLCARBAMATE OR MIXTURES OF ALKYL N-PHENYLCARBAMATES AND 2-CHLORO-2'',6''DIETHYL N-METHOXYMETHYL)ACETANILIDE AND FURTHER CONTAINING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ARYL NALKYLCARBAMATE, ARYL N,N-DIALKYLCARBAMATE, ARYL NCYCLOALKYLCARBAMATE, AND MIXTURES THEREOF IN AN AMOUNT SUFFICIENT TO EXTEND THE SOIL LIFE OF SAID ALKYL N-PHENYLCARBAMATE OR MIXTURES OF ALKYL N-PHENYLCARBAMATES.
Claim 2
Dependent Claim
57 words
A HERBICIDAL COMPOSITION CONTAINING HERBICIDALLYEFFECTIVE AMOUNTS OF BOTH AN ALKYL N-PHENYLCARBAMATE OR MIXTURES OF ALKYL N-PHENYLCARBAMATES AND 2-CHLORO-2'',6''DIETHYL N-METHOXYMETHYL)ACETANILIDE AND FURTHER CONTAINING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ARYL NALKYLCARBAMATE, ARYL N,N-DIALKYLCARBAMATE, ARYL NCYCLOALKYLCARBAMATE, AND MIXTURES THEREOF IN AN AMOUNT SUFFICIENT TO EXTEND THE SOIL LIFE OF SAID ALKYL N-PHENYLCARBAMATE OR MIXTURES OF ALKYL N-PHENYLCARBAMATES.
Claim 3
Dependent Claim
22 words
A herbicidal composition containing herbicidally-effective amounts of both a. an alkyl N-phenylcarbamate or mixtures of alkyl N-phenylcarbamates represented by the structural formula
Claim 4
Dependent Claim
22 words
A herbicidal composition containing herbicidally-effective amounts of both a. an alkyl N-phenylcarbamate or mixtures of alkyl N-phenylcarbamates represented by the structural formula
Claim 5
Dependent Claim
68 words
The herbicidal composition of claim 2 wherein a. R1 contains from 1 to 8 carbon atoms; b. R2 is hydrogen, unsubstituted alkyl containing from 1 to 8 carbon atoms or haloalkyl containing from 1 to 8 carbon atoms; and c. R3 is unsubstituted alkyl containing from 1 to 8 carbon atoms, haloalkyl containing from 1 to 8 carbon atoms or cycloalkyl containing from 3 to 8 carbon atoms.
Claim 6
Dependent Claim
18 words
The herbicidal composition of claim 3 which contains from about 0.1 to about 100 percent by weight actives.
Claim 7
Dependent Claim
74 words
The herbicidal composition of claim 4 wherein a. the weight ratio of said alkyl N-phenylcarbamate or mixtures of said alkyl N-phenylcarbamates to said 2-chloro-2'',6''-diethyl N-(methoxymethyl)acetanilide present in the composition is in the range of from 1:500 to 500:1; and b. the weight ratio of said alkyl N-phenylcarbamate of mixtures of said alkyl N-phenylcarbamates to said compound or mixtures of said compounds present in the composition is in the range of from 1:1 to 100:1.
Claim 8
Dependent Claim
13 words
The herbicidal composition of claim 5 wherein said alkyl N-phenylcarbamate is isopropyl N-phenylcarbamate.
Claim 9
Dependent Claim
23 words
The herbicidal composition of claim 6 wherein said compound is selected from the group consisting of halophenyl N-alkylcarbamate, halophenyl N,N-diallylcarbamate, and halophenyl N-cycloalkylcarbamate.
Claim 10
Dependent Claim
23 words
The herbicidal composition of claim 6 wherein said compound is selected from the group consisting of 4-chlorophenyl N-alkylcarbamate, 4-chlorophenyl N,N-dialkylcarbamate, and 4-chlorophenyl N-cycloalkylcarbamate.
Claim 11
Dependent Claim
31 words
The herbicidal composition of claim 6 wherein said compound is selected from the group consisting of phenyl N-methylcarbamate, 4-chlorophenyl N-methylcarbamate, 4-chlorophenyl N-ethylcarbamate, 4-chlorophenyl N,N-dimethylcarbamate, 4-chlorophenyl N-butylcarbamate, 4-chlorophenyl N-cyclohexylcarbamate and 1-naphthyl N-methylcarbamate.
Claim 12
Dependent Claim
13 words
The herbicidal composition of claim 5 wherein said alkyl N-phenylcarbamate is isopropyl N-(3-chlorophenyl)carbamate.
Claim 13
Dependent Claim
23 words
The herbicidal composition of claim 10 wherein said compound is selected from the group consisting of halophenyl N-alkylcarbamate, halophenyl N,N-dialkylcarbamate, and halophenyl N-cycloalkylcarbamate.
Claim 14
Dependent Claim
23 words
The herbicidal composition of claim 10 wherein said compound is selected from the group consisting of 4-chlorophenyl N-alkylcarbamate, 4-chlorophenyl N,N-dialkylcarbamate, and 4-chlorophenyl N-cycloalkylcarbamate.
Claim 15
Dependent Claim
31 words
The herbicidal composition of claim 10 wherein said compound is selected from the group consisting of phenyl N-methylcarbamate, 4-chlorophenyl N-methylcarbamate, 4-chlorophenyl N-ethylcarbamate, 4-chlorophenyl N,N-dimethylcarbamate, 4-chlorophenyl N-butylcarbamate, 4-chlorophenyl N-cyclohexylcarbamate, and 1-naphthyl N-methylcarbamate.
Claim 16
Independent Claim
70 words
A method of controlling weeds comprising applying to soil containing weeds a. a herbicidal amount of an alkyl N-phenylcarbamate or mixtures of alkyl N-phenylcarbamates; b. a herbicidal amount of 2-chloro-2'',6''-diethyl N-(methoxymethyl)acetanilide; and c. a compound or mixture of compounds selected from the group consisting of aryl N-alkylcarbamate, aryl N,N-dialkylcarbamate, and aryl N-cyclohexylcarbamate in an amount sufficient to extend the soil life or said alkyl N-phenylcarbamate or mixtures of alkyl N-phenylcarbamates.
Claim 17
Independent Claim
70 words
A method of controlling weeds comprising applying to soil containing weeds a. a herbicidal amount of an alkyl N-phenylcarbamate or mixtures of alkyl N-phenylcarbamates; b. a herbicidal amount of 2-chloro-2'',6''-diethyl N-(methoxymethyl)acetanilide; and c. a compound or mixture of compounds selected from the group consisting of aryl N-alkylcarbamate, aryl N,N-dialkylcarbamate, and aryl N-cyclohexylcarbamate in an amount sufficient to extend the soil life or said alkyl N-phenylcarbamate or mixtures of alkyl N-phenylcarbamates.
Claim 18
Dependent Claim
79 words
The method of claim 14 wherein said alkyl N-phenylcarbamate or mixtures of alkyl N-phenyl carbamates is applied at a rate in the range of from 0.1 to 50 pounds per acre, said 2-chloro-2'',6''-diethyl N-(methoxymethyl)acetanilide is applied at a rate in the range of from 0.1 to 50 pounds per acre and the compound or mixture of compounds is applied at a rate which is from 1 to 100 percent of the rate at which the alkyl N-phenylcarbamate is applied.
Claim 19
Dependent Claim
12 words
The method of claim 15 wherein the application is a pre-emergence application.
Claim 20
Dependent Claim
55 words
The method of claim 15 wherein said alkyl N-phenylcarbamate or mixtures of alkyl N-phenylcarbamates are selected from the group consisting of isopropyl N-phenylcarbamate and isopropyl N-(3-chlorophenyl)carbamate and said compound or mixtures of compounds are selected from the group consisting of phenyl N-methylcarbamate, 4-chlorophenyl N-methylcarbamate, 4-chlorophenyl N-ethylcarbamate, 4-chlorophenyl N-butylcarbamate, 4-chlorophenyl N,N-dimethylcarbamate, 4-chlorophenyl N-cyclohexylcarbamate, and 1-naphthyl N-methylcarbamate.
Claim 21
Dependent Claim
31 words
A herbicidal composition containing herbicidally-effective amounts of both isopropyl N-phenylcarbamate and 2-chloro-2'',6''-diethyl N-(methoxymethyl)acetanilide and further containing 4-chlorophenyl N-methylcarbamate in an amount sufficient to extend the soil life of said isopropyl N-phenylcarbamate.
Claim 22
Dependent Claim
31 words
A herbicidal composition containing herbicidally-effective amounts of both isopropyl N-phenylcarbamate and 2-chloro-2'',6''-diethyl N-(methoxymethyl)acetanilide and further containing 4-chlorophenyl N-methylcarbamate in an amount sufficient to extend the soil life of said isopropyl N-phenylcarbamate.
Claim 23
Dependent Claim
32 words
A herbicidal composition containing herbicidally-effective amounts of both isopropyl N-(3-chlorophenyl)carbamate and 2-chloro-2'',6''-diethyl N-(methoxymethyl)acetanilide and further containing 4-chlorophenyl N-methylcarbamate in an amount sufficient to extend the soil life of said isopropyl N-(3-chlorophenyl) carbamate.
Claim 24
Dependent Claim
32 words
A herbicidal composition containing herbicidally-effective amounts of both isopropyl N-(3-chlorophenyl)carbamate and 2-chloro-2'',6''-diethyl N-(methoxymethyl)acetanilide and further containing 4-chlorophenyl N-methylcarbamate in an amount sufficient to extend the soil life of said isopropyl N-(3-chlorophenyl) carbamate.
Claim 25
Dependent Claim
34 words
A herbicidal liquid concentrate comprising about 33.5 percent by weight isopropyl N-(3-chlorophenyl) carbamate, about 33.5 percent by weight 2-chloro-2'',6''-diethyl N-(methoxymethyl)acetanilide, about 8.3 percent by weight 4-chlorophenyl N-methylcarbamate and about 14.1 percent by weight xylene.
Claim 26
Dependent Claim
34 words
A herbicidal liquid concentrate comprising about 33.5 percent by weight isopropyl N-(3-chlorophenyl) carbamate, about 33.5 percent by weight 2-chloro-2'',6''-diethyl N-(methoxymethyl)acetanilide, about 8.3 percent by weight 4-chlorophenyl N-methylcarbamate and about 14.1 percent by weight xylene.
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) | 1978-03-17 | 1978-09-16 | 1979-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-17 | 1982-09-16 | 1983-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-17 | 1986-09-16 | 1987-03-18 | $7700.00 | Window Closed / Lapsed |