Alkylamidopropyl dialkylamine surfactants as adjuvants
First Claim
1. An aqueous herbicidal composition comprising at least one phenoxy acid herbicide or an agriculturally acceptable salt or derivative thereof, and a surfactant adjuvant, wherein said surfactant adjuvant comprises at least one alkylamidopropyl dialkylamine surfactant having the formula wherein R is—
- a straight or branched chain, saturated or unsaturated acyl group having 6-22 carbon atoms, n is 3, and Y and Y′
are, independently, an alkyl group having 1-4 carbon atoms or (AO)sH, wherein AO is an alkyleneoxy group having 2-4 carbon atoms, and s is on average 1-10;
provided that at least one of the groups Y and Y′
is an alkyl group having 1-4 carbon atoms;
or a salt thereof;
or a quaternised derivative of (I) having the formula wherein R is a straight or branched chain, saturated or unsaturated acyl group having from 6 to 22 carbon atoms;
n is 3;
Y and Y′
are, independently, an alkyl group having 1-4 carbon atoms or (AO)sH, wherein AO is an alkyleneoxy group having 2-4 carbon atoms, and s is on average 1-10;
provided that at least one of the groups Y and Y′
is an alkyl group having 1-4 carbon atoms;
R2 is a C1-C4 alkyl group; and
X−
is an anion.
4 Assignments
0 Petitions
Accused Products
Abstract
The present invention generally relates to an aqueous herbicidal formulation that comprises at least one phenoxy acid herbicide or an agriculturally acceptable salt or derivative thereof, and an alkylamidopropyl dialkylamine surfactant adjuvant, wherein said surfactant adjuvant comprises at least one surfactant having the formula (I) wherein R is a straight or branched chain, saturated or unsaturated acyl group having 6-22 carbon atoms, n is 3, and Y and Y′ are, independently, an alkyl group having 1-4 carbon atoms or (AO)sH, wherein AO is an alkyleneoxy group having 2-4 carbon atoms, and s is on average 1-10; provided that at least one of the groups Y and Y′ is an alkyl group having 1-4 carbon atoms; or a salt thereof; or a quaternised derivative of (I) having the formula (II) wherein R is a straight or branched chain, saturated or unsaturated acyl group having from 6 to 22 carbon atoms; n is 3; Y and Y′ are, independently, an alkyl group having 1-4 carbon atoms or (AO)sH, wherein AO is an alkyleneoxy group having 2-4 carbon atoms, and s is on average 1-10; provided that at least one of the groups Y and Y′ is an alkyl group having 1-4 carbon atoms; R2 is a C1-C4 alkyl group; and X− is an anion. The invention also relates to a method for combating unwanted vegetation which comprises applying to said unwanted vegetation an effective amount of the aforementioned herbicidal formulation.
20 Citations
22 Claims
-
1. An aqueous herbicidal composition comprising at least one phenoxy acid herbicide or an agriculturally acceptable salt or derivative thereof, and a surfactant adjuvant, wherein said surfactant adjuvant comprises at least one alkylamidopropyl dialkylamine surfactant having the formula
wherein R is— - a straight or branched chain, saturated or unsaturated acyl group having 6-22 carbon atoms, n is 3, and Y and Y′
are, independently, an alkyl group having 1-4 carbon atoms or (AO)sH, wherein AO is an alkyleneoxy group having 2-4 carbon atoms, and s is on average 1-10;
provided that at least one of the groups Y and Y′
is an alkyl group having 1-4 carbon atoms;
or a salt thereof;
or a quaternised derivative of (I) having the formulawherein R is a straight or branched chain, saturated or unsaturated acyl group having from 6 to 22 carbon atoms;
n is 3;
Y and Y′
are, independently, an alkyl group having 1-4 carbon atoms or (AO)sH, wherein AO is an alkyleneoxy group having 2-4 carbon atoms, and s is on average 1-10;
provided that at least one of the groups Y and Y′
is an alkyl group having 1-4 carbon atoms;
R2 is a C1-C4 alkyl group; and
X−
is an anion.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22)
- a straight or branched chain, saturated or unsaturated acyl group having 6-22 carbon atoms, n is 3, and Y and Y′
-
20. A method of making an aqueous herbicidal composition comprising mixing at least one phenoxy acid herbicide or an agriculturally acceptable salt or derivative thereof with a surfactant adjuvant, wherein the surfactant adjuvant comprises at least one alkylamidopropyl dialkylamine surfactant having the formula
wherein R is a straight or branched chain, saturated or unsaturated acyl group having 6-22 carbon atoms, n is 3, and Y and Y′ - are, independently, an alkyl group having 1-4 carbon atoms or (AO)sH, wherein AO is an alkyleneoxy group having 2-4 carbon atoms, and s is on average 1-10;
provided that at least one of the groups Y and Y′
is an alkyl group having 1-4 carbon atoms;
or a salt thereof;
or a quaternised derivative of (I) having the formulawherein R is a straight or branched chain, saturated or unsaturated acyl group having from 6 to 22 carbon atoms;
n is 3;
Y and Y′
are, independently, an alkyl group having 1-4 carbon atoms or (AO)sH, wherein AO is an alkyleneoxy group having 2-4 carbon atoms, and s is on average 1-10;
provided that at least one of the groups Y and Y′
is an alkyl group having 1-4 carbon atoms;
R2 is a C1-C4 alkyl group; and
X−
is an anion.
- are, independently, an alkyl group having 1-4 carbon atoms or (AO)sH, wherein AO is an alkyleneoxy group having 2-4 carbon atoms, and s is on average 1-10;
Specification