Granted Patent B2

US 12,458,027 · App. 17/726,611 · Granted Nov 4, 2025

Inventors: John Hemminghaus (St. Louis, MO); Alison MacInnes (Wildwood, MO)

Assignee: Monsanto Technology LLC

A01N57/20A01N37/40

Abstract

Claims (33)

1 . An aqueous glyphosate concentrate composition comprising:

(a) a glyphosate salt comprising a potassium salt of glyphosate at a glyphosate loading of at least about 400 grams acid equivalent per liter (g a.e./l.); and

(b) one or more surfactants selected from the group consisting of:

(1) a quaternary ammonium salt;

(2) an alkoxylated tertiary etheramine;

(3) an alkylpolysaccharide; and

(4) an amidoalkylamine; and

wherein the pH of a 5 wt. % acid equivalent dilution of the aqueous glyphosate concentrate composition is from about 5 to about 6.5, and the concentrate composition has a molar ratio of monobasic potassium glyphosate salt to dibasic potassium glyphosate salt from about 1:1 to about 3:1.

2 . The aqueous glyphosate concentrate composition of claim 1 wherein the pH of a 5 wt. % acid equivalent dilution of the glyphosate concentrate composition is from about 5.2 to about 6.5, from about 5.5 to about 6.5, from about 5 to about 6, from about 5.2 to about 6, from about 5.5 to about 6, from about 5.2 to 5.8, or from about 5.2 to about 5.6.

3 . The aqueous glyphosate concentrate composition of claim 1 wherein the glyphosate loading of the glyphosate concentrate composition is at least about 410 g/l, at least about 420 g/l, at least about 430 g/l, at least about 440 g/l, at least about 450 g/l, at least about 460 g/l, at least about 470 g/l, at least about 480 g/l, at least about 490 g/l, at least about 500 g/l, at least about 510 g/l, at least about 520 g/l, or at least about 530 g/l on an acid equivalent basis.

4 . The aqueous glyphosate concentrate composition of claim 1 wherein the glyphosate loading of the glyphosate concentrate composition is from about 400 g/l to about 540 g/l, from about 410 g/l to about 540 g/1, from about 420 g/l to about 540 g/l, from about 430 g/l to about 540 g/l, from about from about 440 g/l to about 540 g/l, from about 450 g/l to about 540 g/l, from about 460 g/l to about 540 g/l, from about 470 g/l to about 540 g/l, from about 480 g/l to about 540 g/l, from about 480 g/l to about 530 g/l, or from about 480 g/l to about 520 g/l on an acid equivalent basis.

5 . The aqueous glyphosate concentrate composition of claim 1 wherein a molar ratio of glyphosate neutralizing base to glyphosate used to prepare the glyphosate concentrate composition is from about 1:1 to about 1.5:1, from about 1.1:1 to about 1.5:1, from about 1.2:1 to about 1.5:1, from about 1.25:1 to about 1.5:1, from about 1:1 to about 1.4:1, from about 1.2:1 to about 1.4:1, from about 1.25:1 to about 1.4:1, or from about 1.25:1 to about 1.35:1.

6 . The aqueous glyphosate concentrate composition of claim 5 wherein the neutralizing base is a monoacidic base.

7 . The aqueous glyphosate concentrate composition of claim 1 wherein the glyphosate concentrate composition has a molar ratio of monobasic potassium glyphosate salt to dibasic potassium glyphosate salt from about 1:1 to about 2:1, or from about 1.5:1 to about 3:1.

8 . The aqueous glyphosate concentrate composition of claim 1 wherein the glyphosate concentrate composition contains the potassium salt of glyphosate of from about the 1.1 salt to about the sesqui-salt, from about the 1.1 salt to about the 1.4 salt, from about the 1.2 salt to about the sesqui-salt, from about the 1.2 salt to about the 1.4 salt, from about the 1.25 salt to about the sesqui-salt, or from about the 1.25 salt to about the 1.4 salt.

9 . The aqueous glyphosate concentrate composition of claim 1 wherein the composition comprises the quaternary ammonium salt.

10 . The aqueous glyphosate concentrate composition of claim 9 wherein the quaternary ammonium salt has the structure of formula (I):

wherein R 1 is hydrocarbyl or substituted hydrocarbyl having from 1 to about 30 carbon atoms; R 2 in each of the (R 2 O) x and (R 2 O) y groups is independently C 2 -C 4 alkylene; R 3 is hydrogen, or a linear or branched alkyl group having from 1 to about 4 carbon atoms; R 4 is hydrocarbyl or substituted hydrocarbyl having from 1 to about 30 carbon atoms; x and y are independently an average number from 1 to about 40; and X is an agriculturally acceptable anion.

11 . The aqueous glyphosate concentrate composition of claim 1 wherein the composition comprises the alkoxylated tertiary etheramine.

12 . The aqueous glyphosate concentrate composition of claim 11 wherein the alkoxylated tertiary etheramine has the structure of formula (II):

wherein R 5 is a hydrocarbyl or substituted hydrocarbyl having from about 4 to about 22 carbon atoms; R 6 and R 7 are each independently a hydrocarbylene having 2, 3, or 4 carbon atoms; each R 8 is independently hydrogen or C 1-6 alkyl, m is an average number from about 1 to about 10; and the sum of x and y is an average value ranging from about 2 to about 60.

13 . The aqueous glyphosate concentrate composition of claim 1 wherein the composition comprises the alkylpolysaccharide.

14 . The aqueous glyphosate concentrate composition of claim 13 wherein the alkylpolysaccharide has the structure of formula (III):

R 9 —O-(sug) u   (III)

wherein R 9 is a straight or branched chain substituted or unsubstituted hydrocarbyl selected from alkyl, alkenyl, alkylphenyl, alkenylphenyl having from about 4 to about 22 carbon atoms; the sug moiety is a saccharide residue; and u is an average number from 1 to about 10.

15 . The aqueous glyphosate concentrate composition of claim 1 wherein the composition comprises the amidoalkylamine.

16 . The aqueous glyphosate concentrate composition of claim 15 wherein the amidoalkylamine has the structure of formula (IV):

wherein R 10 is a hydrocarbyl or substituted hydrocarbyl having from 1 to about 22 carbon atoms, R 11 and R 12 are each independently hydrocarbyl or substituted hydrocarbyl having from 1 to about 6 carbon atoms and R 13 is hydrocarbylene or substituted hydrocarbylene having from 1 to about 6 carbon atoms.

17 . The aqueous glyphosate concentrate composition of claim 1 wherein the composition comprises two or more surfactants selected from the group consisting of:

(1) a quaternary ammonium salt;

(2) an alkoxylated tertiary etheramine;

(3) an alkylpolysaccharide; and

(4) an amidoalkylamine.

Assignments (1)

Continuity (4)

References Cited (251)