Reaction products of alkenyl succinimides with ethylenediamine carboxy acids as fuel detergents
First Claim
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1. An additive for diesel fuel compositions comprising the reaction product of an alkenyl succinimide selected from the group consisting of mono-succinimides of the structural formula:
- ##STR5## wherein the number of carbon atoms in R1 is from between about 12 to about 50, R is an alkylene containing 1 to 5 carbon atoms and n is from 1 to 10, bis-succinimides of the structural formula;
##STR6## wherein the number of carbon atoms in R1 is from between about 12 to about 50, R is an alkylene containing 1 to 5 carbon atoms and n is from 1 to 10, and mixtures thereof, with iminodiacetic acid or an ethylenediamine carboxylic acid having the structural formula;
##STR7## wherein R2, R3, R4, R5, are each a a ##STR8## group where R6 is 0 to 3 carbon atoms in number, said reaction product formed by reacting between about 1 mole and about 30 moles of said alkenyl succinimide with 1 mole of said ethylene diamine carboxylic acid or imino-diacetic acid at a temperature of between about 100°
C. and about 250°
C. and at a pressure from about atmospheric to about 100 psig.
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Abstract
An additive for fuel compositions. The additive comprises the reaction product of an alkenyl succinimide selected from the group consisting of mono-succinimides, bis-succinimides, and mixtures thereof, with iminodiacetic acid or an ethylenediamine carboxy acid. The reaction product finds particular utility as a fuel detergent.
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15 Claims
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1. An additive for diesel fuel compositions comprising the reaction product of an alkenyl succinimide selected from the group consisting of mono-succinimides of the structural formula:
- ##STR5## wherein the number of carbon atoms in R1 is from between about 12 to about 50, R is an alkylene containing 1 to 5 carbon atoms and n is from 1 to 10, bis-succinimides of the structural formula;
##STR6## wherein the number of carbon atoms in R1 is from between about 12 to about 50, R is an alkylene containing 1 to 5 carbon atoms and n is from 1 to 10, and mixtures thereof, with iminodiacetic acid or an ethylenediamine carboxylic acid having the structural formula;
##STR7## wherein R2, R3, R4, R5, are each a a ##STR8## group where R6 is 0 to 3 carbon atoms in number, said reaction product formed by reacting between about 1 mole and about 30 moles of said alkenyl succinimide with 1 mole of said ethylene diamine carboxylic acid or imino-diacetic acid at a temperature of between about 100°
C. and about 250°
C. and at a pressure from about atmospheric to about 100 psig. - View Dependent Claims (2, 3, 4, 6)
- ##STR5## wherein the number of carbon atoms in R1 is from between about 12 to about 50, R is an alkylene containing 1 to 5 carbon atoms and n is from 1 to 10, bis-succinimides of the structural formula;
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5. An additive for diesel fuel compositions comprising the reaction product of an alkenyl succinimide selected from the group consisting of mono-succinimides of the structural formula:
- ##STR9## wherein the number of carbon atoms in R1 is from between about 12 to about 50, R is an alkylene containing 1 to 5 carbon atoms and n is from 1 to 10, bis-succinimides of the structural formula;
##STR10## wherein the number of carbon atoms in R1 is from between about 12 to about 50, R is an alkylene containing 1 to 5 carbon atoms and n is from 1 to 10, and mixtures thereof, with an ethylenediamine carboxylic acid selected from the group consisting of ethylenediaminetriacetic acid and ethylenediaminetetraacetic acid, said reaction product formed by reacting between about 1 mole and about 30 moles of said alkenyl succinimide with 1 mole of said ethylenediamine carboxylic acid at a temperature of between about 100°
C. and about 250°
C. and at a pressure from about atmospheric to about 100 psig. - View Dependent Claims (7, 8, 9, 10)
- ##STR9## wherein the number of carbon atoms in R1 is from between about 12 to about 50, R is an alkylene containing 1 to 5 carbon atoms and n is from 1 to 10, bis-succinimides of the structural formula;
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11. A diesel fuel composition comprising a diesel fuel and between about 10 and about 300 pounds per 1000 barrels of diesel fuel of an additive for diesel fuel compositions comprising the reaction product of an alkenyl succinimide selected from the group consisting of mono-succinimides of the structural formula:
- ##STR11## wherein the number of carbon atoms in R1 is from between about 12 to about 50, R is an alkylene containing 1 to 5 carbon atoms and n is from 1 to 10, bis-succinimides of the structural formula;
##STR12## wherein the number of carbon atoms in R1 is from between about 12 to about 50, R is an alkylene containing 1 to 5 carbon atoms and n is from 1 to 10, with an ethylenediamine carboxylic acid selected from the group consisting of ethylenediaminetriacetic acid and ethylenediaminetetraacetic acid, said product formed by reacting between about 1 mole and about 30 moles of said alkenyl succinimide with 1 mole of said ethylenediamine carboxylic acid at a temperature of between about 100°
C. and about 250°
C. and at a pressure from about atmospheric to about 100 psig. - View Dependent Claims (12, 13, 14, 15)
- ##STR11## wherein the number of carbon atoms in R1 is from between about 12 to about 50, R is an alkylene containing 1 to 5 carbon atoms and n is from 1 to 10, bis-succinimides of the structural formula;
Specification