Glyphosate formulations containing amidoalkylamine surfactants

Patent metadata

Field	Value
Publication number	US-2021169084-A1
Application number	US-202117181437-A
Country	US
Kind code	A1
Filing date	Feb 22, 2021
Priority date	Sep 29, 2008
Publication date	Jun 10, 2021
Grant date	—

Abstract

An herbicidal composition comprising (a) glyphosate or a derivative thereof, (b) an amidoalkylamine surfactants having the general structure:

wherein R 1 is a hydrocarbyl having from about 1 carbon atoms to about 22 carbon atoms, and R 2 , R 3 , and R 4 are each independently hydrocarbyl having from about 1 carbon atom to about 6 carbon atoms; and (c) at least one co-surfactant.

First claim

What is claimed is:

1 . An aqueous herbicidal concentrate solution comprising:
(a) a glyphosate component comprising a salt of glyphosate in a concentration greater than 300 grams acid equivalent per liter; (b) an amidoalkylamine surfactant of structure (I):

wherein R 1 is hydrocarbyl or substituted hydrocarbyl having from 1 to about 22 carbon atoms, R 2 and R 3 , are each independently hydrocarbyl or substituted hydrocarbyl having from 1 to about 6 carbon atoms, and R 4 is hydrocarbylene having from 1 to about 6 carbon atoms; and
(c) at least one co-surfactant comprising an alkoxylated tertiary amine, an alkoxylated quaternary amine, an alkoxylated tertiary etheramine, an alkoxylated quaternary etheramine, an alkoxylated etheramine oxide, an alkoxylated alcohol, a phosphate ester of alkoxylated tertiary amine, a phosphate ester of alkoxylated etheramine, a phosphate ester of alkoxylated alcohol, or a combination thereof;
wherein the alkoxylated tertiary amine surfactant is of structure (II):

wherein R 1 is hydrocarbyl or substituted hydrocarbyl having from about 4 to about 22 carbon atoms, R 2 and R 3 are each independently hydrocarbylene having 2, 3, or 4 carbon atoms, and the sum of x and y is an average value ranging from about 2 to about 50;
wherein the alkoxylated quaternary amine surfactant is of structure (III):

wherein R 1 is hydrocarbyl or substituted hydrocarbyl having from 4 to about 22 carbon atoms, R 2 and R 3 are each independently hydrocarbylene having 2, 3, or 4 carbon atoms, R 4 is hydrocarbyl or substituted hydrocarbyl having from 1 to about 4 carbon atoms, the sum of x and y is an average value ranging from about 2 to about 50, and X is a charge balancing counter-anion;
wherein the alkoxylated tertiary etheramine surfactant is of structure (IV):

wherein R 1 is hydrocarbyl or substituted hydrocarbyl having from about 4 to about 22 carbon atoms; R 2 , R 3 and R 4 are each independently hydrocarbylene having 2, 3, or 4 carbon atoms; 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;
wherein the alkoxylated quaternary etheramine surfactant is of structure (V):

wherein R 1 is hydrocarbyl or substituted hydrocarbyl having from about 4 to about 22 carbon atoms; R 2 , R 3 and R 4 are each independently a hydrocarbylene having 2, 3, or 4 carbon atoms; m is an average number from about 1 to about 10; the sum of x and y is an average value ranging from about 2 to about 60; R 5 is hydrocarbyl or substituted hydrocarbyl having from 1 to about 4 carbon atoms; and A is a charge balancing counter-anion;
wherein the alkoxylated etheramine oxide surfactant is of structure (VI):

wherein R 1 is hydrocarbyl or substituted hydrocarbyl having from about 4 to about 22 carbon atoms; R 2 , R 3 and R 4 are each independently hydrocarbylene having 2, 3, or 4 carbon atoms; 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;
wherein the alkoxylated alcohol surfactant is of structure (VIII):
R 1 —O—(R 2 O) n H  Structure (VIII)

wherein R 1 is hydrocarbyl or substituted hydrocarbyl having from about 4 to about 22 carbon atoms; R 2 is hydrocarbylene having 2, 3, or 4 carbon atoms; n is an average value ranging from about 2 to about 50;
wherein the phosphate ester of the alkoxylated tertiary amine surfactant is of structure (IXa) or structure (IXb):

wherein each R 1 is independently hydrocarbyl or substituted hydrocarbyl having from about 4 to about 22 carbon atoms, R 2 and R 3 are each independently hydrocarbylene having 2, 3, or 4 carbon atoms, the sum of each x and y group is independently an average value ranging from about 2 to about 60, and R 4 and R 5 are each independently hydrogen, hydrocarbyl or substituted hydrocarbyl having from 1 to about 6 carbon atoms;
wherein the phosphate ester of alkoxylated etheramine surfactant is of structure (Xa) or structure (Xb):

wherein each R 1 is independently hydrocarbyl or substituted hydrocarbyl having from about 4 to about 22 carbon atoms; each R 2 , R 3 and R 4 are each independently hydrocarbylene having 2, 3, or 4 carbon atoms; each m is independently an average number from about 1 to about 10; the sum of each x and y group is independently an average value ranging from about 2 to about 60; and R 5 and R 6 are each independently hydrogen, hydrocarbyl or substituted hydrocarbyl having from 1 to about 6 carbon atoms; and
wherein the phosphate ester of alkoxylated alcohol surfactant is of structure (XIa) or (XIb):

wherein each R 1 is independently hydrocarbyl or substituted hydrocarbyl having from about 4 to about 22 carbon atoms; each R 2 is independently hydrocarbylene having 2, 3, or 4 carbon atoms; each m is independently an average number from about 1 to about 60; and R 3 and R 4 are each independently hydrogen, hydrocarbyl or substituted hydrocarbyl having from 1 to about 6 carbon atoms.

2 . The solution of claim 1 wherein, in structure (I), R 1 is alkyl having an average of from about 4 carbon atoms to about 18 carbon atoms, and R 2 and R 3 are each alkyl having from 1 to 4 carbon atoms, and R4 is alkylene having from 1 to 4 carbon atoms.

3 . The solution of claim 1 wherein, in structure (I), R 1 is alkyl having an average of from about 5 carbon atoms to about 12 carbon atoms, R 2 and R 3 are methyl and R 4 is n-propylene.

4 . The solution of claim 1 wherein the co-surfactant comprises the alkoxylated tertiary amine of structure (II), wherein, in structure (II), R 1 is alkyl having from about 8 to about 18 carbon atoms, R 2 and R 3 are each independently ethylene, propylene or isopropylene, and the sum of x and y is an average value ranging from about 2 to about 22.

5 . The solution of claim 1 wherein the co-surfactant comprises the alkoxylated quaternary amine of structure (III), wherein, in structure (III), R 1 is alkyl having from about 8 to about 18 carbon atoms, R 2 and R 3 are each independently ethylene, propylene or isopropylene, R 4 is hydrocarbyl or substituted hydrocarbyl having from 1 to about 4 carbon atoms, and the sum of x and y is an average value ranging from about 2 to about 22.

6 . The solution of claim 1 wherein the co-surfactant comprises the alkoxylated tertiary etheramine of structure (IV), wherein, in structure (IV), R 1 is alkyl having from about 8 to about 18 carbon atoms; R 2 , R 3 , and R 4 are each independently ethylene, propylene or isopropylene; m is from about 1 to about 5; and the sum of x and y is an average value ranging from about 2 to about 22.

7 . The solution of claim 1 wherein the co-surfactant comprises the alkoxylated quaternary etheramine of structure (V), wherein, in struc

Assignees

• Monsanto Technology Llc

Inventors

• Abraham William
• Hemminghaus John
• Wright Daniel R
• Zhu Shawn

Classifications

• A01N57/20 Primary

  containing acyclic or cycloaliphatic radicals · CPC title