# US 10,499,646 B2 · Herbicidal compositions containing N-phosphonomethyl glycine and an auxin herbicide

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- Number: US 10,499,646 B2
- Document ID: US10499646B2
- Status: Granted
- Kind: B2
- Application number: 14/273,025
- Filed: 2014-05-08
- Published: 2014-12-11
- Granted: 2019-12-10
- Earliest claimed: 2004-03-10
- Assignees: Monsanto Technology LLC
- Applicants: Monsanto Technology LLC
- Inventors: David Z. Becher; Henry E. Agbaje; Jeffrey N. Travers; Ronald J. Brinker; Xiaodong C. Xu; Timothy S. Ottens
- Web page: https://patentgrep.com/patent/US10499646B2

## CPC

- A01N 57/20: containing acyclic or cycloaliphatic radicals
- A01N 25/30: characterised by the surfactants
- A01N 37/38: having at least one oxygen or sulfur atom attached to an aromatic ring system
- A01N 37/40: having at least one carboxylic group or a thio analogue, or a derivative thereof, and one oxygen or sulfur atom attached to the same aromatic ring system
- A01N 39/04: Aryloxy-acetic acids; Derivatives thereof
- A01N: PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF (preservation of food or foodstuff A23); BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES (preparations for medical, dental or toiletry purposes which kill or prevent the growth or proliferation of unwanted organisms A61K); PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS

## Abstract

Herbicidal compositions are provided which cause rapid symptomology while delivering long term control of regrowth of plants. The herbicidal concentrate compositions comprise N-phosphonomethylglycine or a herbicidal derivative thereof, an auxin herbicide or a herbicidal derivative thereof, and at least one surfactant. Also provided is a method for killing or controlling the growth of certain plants by contacting the foliage of the plants with the diluted concentrate composition.

## Claims

### Claim 1

An herbicidal concentrate composition comprising, in aqueous solution:
(a) glyphosate, in the form of a salt thereof, in a concentration of at least 175 grams acid equivalent per liter;
(b) an auxin herbicide component comprising one or more auxin herbicides selected from the group consisting of 2,4-D, dicamba, and agriculturally acceptable salts or esters thereof; and
(c) a surfactant component comprising one or more surfactants selected from the group consisting of:
(i) quaternary ammonium salts having the formula:
wherein R31 is a linear or branched alkyl or linear or branched alkenyl group having from 8 to 30 carbon atoms, and R32, R33 and R34 are a linear or branched alkyl or linear or branched alkenyl group having from 1 to 30 carbon atoms, and X− is an agriculturally acceptable anion; and
(ii) alkylpolyglycosides having the formula:
[R101—(R104)q-(sug)uOH]v (11)
where R101 is hydrogen or C1-18 hydrocarbyl, R104 is hydrogen or C1-4 hydrocarbyl, q is 0 or 1, sug is an open or cyclic structure corresponding to a sugar, u is an average number from 1 to 2, and v is an integer from 1 to 3;
and wherein the composition has a cloud point of at least 50° C.

### Claim 2 (depends on 1)

The composition of claim 1 wherein the auxin herbicide component comprises dicamba.

### Claim 3 (depends on 1)

The composition of claim 1 wherein the auxin herbicide component comprises 2,4-D.

### Claim 4 (depends on 2)

The composition of claim 2 wherein the surfactant component comprises an alkylpolyglycoside having the formula:
[R101—(R104)q-(sug)uOH]v (11)
where R101 is hydrogen or C1-18 hydrocarbyl, R104 is hydrogen or C1-4 hydrocarbyl, q is 0 or 1, sug is an open or cyclic structure corresponding to a sugar, u is an average number from 1 to 2, and v is an integer from 1 to 3.

### Claim 5 (depends on 1)

The composition of claim 1 wherein the surfactant component comprises a quaternary ammonium salt having the formula:
wherein R31 is a linear or branched alkyl or linear or branched alkenyl group having from 8 to 30 carbon atoms, and R32, R33 and R34 are a linear or branched alkyl or linear or branched alkenyl group having from 1 to 30 carbon atoms, and X− is an agriculturally acceptable anion.

### Claim 6 (depends on 1)

The composition of claim 1 comprising glyphosate in the form of the potassium, isopropylamine, di-ammonium, ammonium, sodium, monoethanolamine, n-propylamine, methylamine, ethylamine, hexamethylenediamine, dimethylamine or trimethylsulfonium salt thereof.

### Claim 7 (depends on 6)

The composition of claim 6 comprising glyphosate in the form of the potassium, isopropylamine, or monoethanolamine salt thereof.

### Claim 8 (depends on 7)

The composition of claim 7 comprising glyphosate in the form of the potassium salt thereof.

### Claim 9 (depends on 8)

The composition of claim 8 wherein the composition comprises glyphosate predominantly in the form of the potassium salt thereof.

### Claim 10 (depends on 7)

The composition of claim 7 comprising glyphosate in the form of the isopropylamine salt thereof.

### Claim 11 (depends on 10)

The composition of claim 10 wherein the composition comprises glyphosate predominantly in the form of the potassium salt thereof.

### Claim 12 (depends on 7)

The composition of claim 7 comprising glyphosate in the form of the monoethanolamine salt thereof.

### Claim 13 (depends on 1)

The composition of claim 1 wherein the glyphosate is present in an amount of at least 275 grams acid equivalent per liter.

### Claim 14 (depends on 13)

The composition of claim 13 wherein the glyphosate is present in an amount of at least 450 grams acid equivalent per liter.

### Claim 15 (depends on 14)

The composition of claim 14 wherein the glyphosate is present in an amount of at least 500 grams acid equivalent per liter.

### Claim 16 (depends on 1)

The composition of claim 1 wherein total surfactant present in the composition is in an amount of at least 5 wt. % based on the total weight of the composition.

### Claim 17 (depends on 1)

The composition of claim 1 wherein the glyphosate (acid equivalent basis) and the surfactant component are present in a weight ratio of from about 2:1 to about 6:1.

### Claim 18 (depends on 1)

The composition of claim 1 wherein the composition has a cloud point of at least 60° C.

### Claim 19 (depends on 1)

The composition of claim 1 wherein the composition has a crystallization point not higher than 0° C.

### Claim 20 (depends on 1)

The composition of claim 1 wherein the composition further comprises an organic solvent, said composition containing not more than 10 weight percent of said organic solvent based on the total weight of the composition.

### Claim 21 (depends on 1)

A method of killing or controlling weeds or unwanted vegetation comprising:
diluting the composition of claim 1 an amount of water to form an application mixture; and
applying a herbicidally effective amount of the application mixture to foliage of the weeds or unwanted vegetation.

### Claim 22 (depends on 21)

The method of claim 21 wherein the weeds or unwanted vegetation comprise Commelina.
