Maleic anhydride-polyether-polyamine reaction product and motor fuel composition containing same

Claim 2

A composition comprising the reaction product of 1 mole of maleic anhydride, about 1 to 2 moles of a polyether diamine, and about 1 to 2 moles of a n-alkyl-alkylene diamine, where said polyether diamine reactant is represented by the formula: ##STR22## where b has a value from about 5 to 150 and a+c has a value from about 2 to 20, and said n-alkyl-alkylene diamine reactant is represented by the formula: R--NH--(CH.sub.2).sub.n --NH.sub.2 where R is an aliphatic hydrocarbon radical having from about 8 to 24 carbon atoms and n has a value from about 1 to 5.

Claim 3

A composition according to claim 1, in which said reaction product is obtained by reacting 1 mole of said maleic anhydride with about 1.5 moles of said polyether diamine and about 1 mole of said n-alkyl-alkylene diamine.

Claim 4

A composition according to claim 1, where b has a value from about 8 to 50, a+c has a value from about 2.5 to 10, n is equal to 3, and R is an aliphatic hydrocarbon radical having from about 12 to 20 carbon atoms.

Claim 5

A composition according to claim 1, where said n-alkyl-alkylene diamine is selected from the group consisting of: n-coco-1,3-diaminopropane; n-soya-1,3-diaminopropane; n-tallow-1,3-diaminopropane; and n-oleyl-1,3-diaminopropane.

Claim 6

A motor fuel composition comprising a mixture of hydrocarbons boiling in the range from about 90° F. to 450° F. containing from about 0.0005 to 0.5 weight percent of the reaction product of 1 mole of maleic anhydride, about 1 to 2 moles of a polyether diamine, and about 1 to 2 moles of n-alkyl-alkylene diamine, where said polyether diamine is represented by the formula: ##STR23## where b has a value from about 5 to 150 and a+c has a value from about 2 to 20, and said n-alkyl-alkylene diamine is represented by the formula: R--NH--(CH.sub.2).sub.n --NH.sub.2 ps where R is an aliphatic hydrocarbon radical having from about 8 to 24 carbon atoms and n has a value from about 1 to 5.

Claim 7

A motor fuel composition comprising a mixture of hydrocarbons boiling in the range from about 90° F. to 450° F. containing from about 0.0005 to 0.5 weight percent of the reaction product of 1 mole of maleic anhydride, about 1 to 2 moles of a polyether diamine, and about 1 to 2 moles of n-alkyl-alkylene diamine, where said polyether diamine is represented by the formula: ##STR23## where b has a value from about 5 to 150 and a+c has a value from about 2 to 20, and said n-alkyl-alkylene diamine is represented by the formula: R--NH--(CH.sub.2).sub.n --NH.sub.2 ps where R is an aliphatic hydrocarbon radical having from about 8 to 24 carbon atoms and n has a value from about 1 to 5.

Claim 8

A motor fuel composition according to claim 5, in which said reaction product is obtained by reacting 1 mole of said maleic anhydride with about 1.5 moles of said polyether diamine and about 1 mole of said n-alkyl-alkylene diamine.

Claim 9

A motor fuel composition according to claim 5, where b has a value from about 8 to 50, a+c has a value from about 2.5 to 10, n is equal to 3, and R is an aliphatic hydrocarbon radical having from about 12 to 20 carbon atoms.

Claim 10

A motor fuel composition according to claim 5, where said n-alkyl-alkylene diamine is selected from the group consisting of: n-coco-1,3-diaminopropane; n-soya-1,3-diaminopropane; n-tallow-1,3-diaminopropane; and n-oleyl-1,3-diaminopropane.

Claim 11

A motor fuel composition according to claim 5 containing from about 0.001 to 0.1 weight percent of said reaction product.

Claim 12

A motor fuel composition according to claim 6 containing from about 0.001 to 0.1 weight percent of said reaction product.

Claim 13

A motor fuel composition according to claim 7 containing from about 0.001 to 0.1 weight percent of said reaction product.

Claim 14

A motor fuel composition according to claim 8 containing from about 0.001 to 0.1 weight percent of said reaction product.

Claim 15

A composition comprising the reaction product of: (a) 1 mole of maleic anhydride; (b) 1-2 moles of a polyether polyamine represented by the formula: ##STR24## where b has a value from about 5-150, a+c has a value from about 2-20, and Z is selected from the group consisting of (i) a hydrogen atom; (ii) an alkyl radical having from 1-6 carbon atoms; (iii) a polyether radical of the formula ##STR25## where b has a value from about 5-150, and a+c has a value from about 2-20; (iv) an alkylene polyether radical of the formula ##STR26## where R 1 is an alkylene radical having from about 1-6 carbon atoms, b has a value from about 5-150, and a+c has a value from about 2-20; and (v) a radical of the formula R.sub.2 (NH--R.sub.3).sub.x -- where R 2 is an alkyl radical having from about 1-20 carbon atoms, R 3 is an alkylene radical having from about 1-6 carbon atoms, and x has a value from about 1-10; and (c) 1-2 moles of a hydrocarbyl polyamine of the formula R.sub.2 (NH--R.sub.3).sub.x --NH.sub.2 where R 2 is an alkyl radical having from about 1-20 carbon atoms, R 3 is an alkylene radical having from about 1-6 carbon atoms, and x has a value from about 1-10.

Claim 16

A composition comprising the reaction product of: (a) 1 mole of maleic anhydride; (b) 1-2 moles of a polyether polyamine represented by the formula: ##STR24## where b has a value from about 5-150, a+c has a value from about 2-20, and Z is selected from the group consisting of (i) a hydrogen atom; (ii) an alkyl radical having from 1-6 carbon atoms; (iii) a polyether radical of the formula ##STR25## where b has a value from about 5-150, and a+c has a value from about 2-20; (iv) an alkylene polyether radical of the formula ##STR26## where R 1 is an alkylene radical having from about 1-6 carbon atoms, b has a value from about 5-150, and a+c has a value from about 2-20; and (v) a radical of the formula R.sub.2 (NH--R.sub.3).sub.x -- where R 2 is an alkyl radical having from about 1-20 carbon atoms, R 3 is an alkylene radical having from about 1-6 carbon atoms, and x has a value from about 1-10; and (c) 1-2 moles of a hydrocarbyl polyamine of the formula R.sub.2 (NH--R.sub.3).sub.x --NH.sub.2 where R 2 is an alkyl radical having from about 1-20 carbon atoms, R 3 is an alkylene radical having from about 1-6 carbon atoms, and x has a value from about 1-10.

Claim 17

A composition according to claim 13, in which said reaction product is obtained by reacting 1 mole of said maleic anhydride with about 1.5 moles of said polyether polyamine and about 1 mole of said hydrocarbyl polyamine.

Claim 18

A composition according to claim 13, in which said reaction product is obtained by reacting: (a) 1 mole of maleic anhydride; (b) 1-2 moles of a polyether polyamine represented by the formula: ##STR27## where b has a value from about 8-50, a+c has a value from about 2.5-10, and Z is selected from the group consisting of (i) a hydrogen atom; (ii) an alkyl radical having from 1-6 carbon atoms; (iii) a polyether radical of the formula ##STR28## where b has a value from about 8-50, and a+c has a value from about 2.5-10; (iv) an alkylene polyether radical of the formula ##STR29## where R 1 is an alkylene radical having from about 1-3 carbon atoms, b has a value from about 8-50, and a+c has a value from about 2.5-10; and (v) a radical of the formula R.sub.2 (NH--R.sub.3).sub.x -- where R 2 is an alkyl radical having from about 12-20 carbon atoms, R 3 is an alkylene radical having from about 1-6 carbon atoms, and has a value from about 1-5; and (c) 1-2 moles of a hydrocarbyl polyamine of the formula R.sub.2 (NH--R.sub.3).sub.x --NH.sub.2 where R 2 is a alkyl radical having from about 12-20 carbon atoms, R 3 is an alkylene radical having from about 1-6 carbon atoms, and x has a value from about 1-5.

Claim 19

A composition according to claim 15, in which said reaction product is obtained by reacting 1 mole of maleic anhydride with about 1.5 moles of said polyether polyamine and about 1 mole of said hydrocarbyl polyamine.

Claim 20

A motor fuel composition comprising a mixture of hydrocarbons boiling in the range from about 90° F. to 450° F. containing from about 0.0005 to 0.5 weight percent of the reaction product of: (a) 1 mole of maleic anhydride; (b) 1-2 moles of a polyether polyamine represented by the formula: ##STR30## where b has a value from about 5-150, a+c has a value from about 2-20, and Z is selected from the group consisting of (i) a hydrogen atom; (ii) an alkyl radical having from 1-6 carbon atoms; (iii) a polyether radical of the formula ##STR31## where b has a value from about 5-150, and a+c has a value from about 2-20; (iv) an alkylene polyether radical of the formula ##STR32## where R 1 is an alkylene radical having from about 1-6 carbon atoms, b has a value from about 5-150, and a+c has a value from about 2-20; and (v) a radical of the formula R.sub.2 (NH--R.sub.3).sub.x -- where R 2 is an alkyl radical having from about 1-20 carbon atoms, R 3 is an alkylene radical having from about 1-6 carbon atoms, and x has a value from about 1-10; and (c) 1-2 moles of a hydrocarbyl polyamine of the formula R.sub.2 (NH--R.sub.3).sub.x --NH.sub.2 where R 2 is alkyl radical having from about 1-20 carbon atoms, R 3 is an alkylene radical having from about 1-6 carbon atoms, and x has a value from about 1-10.

Claim 21

A motor fuel composition comprising a mixture of hydrocarbons boiling in the range from about 90° F. to 450° F. containing from about 0.0005 to 0.5 weight percent of the reaction product of: (a) 1 mole of maleic anhydride; (b) 1-2 moles of a polyether polyamine represented by the formula: ##STR30## where b has a value from about 5-150, a+c has a value from about 2-20, and Z is selected from the group consisting of (i) a hydrogen atom; (ii) an alkyl radical having from 1-6 carbon atoms; (iii) a polyether radical of the formula ##STR31## where b has a value from about 5-150, and a+c has a value from about 2-20; (iv) an alkylene polyether radical of the formula ##STR32## where R 1 is an alkylene radical having from about 1-6 carbon atoms, b has a value from about 5-150, and a+c has a value from about 2-20; and (v) a radical of the formula R.sub.2 (NH--R.sub.3).sub.x -- where R 2 is an alkyl radical having from about 1-20 carbon atoms, R 3 is an alkylene radical having from about 1-6 carbon atoms, and x has a value from about 1-10; and (c) 1-2 moles of a hydrocarbyl polyamine of the formula R.sub.2 (NH--R.sub.3).sub.x --NH.sub.2 where R 2 is alkyl radical having from about 1-20 carbon atoms, R 3 is an alkylene radical having from about 1-6 carbon atoms, and x has a value from about 1-10.

Claim 22

A motor fuel composition according to claim 17, in which said reaction product is obtained by reacting 1 mole of said maleic anhydride with about 1.5 moles of said polyether polyamine and about 1 mole of said hydrocarbyl polyamine.

Claim 23

A motor fuel composition according to claim 17, in which said motor fuel composition comprises the reaction product of: (a) 1 mole of maleic anhydride; (b) 1-2 moles of a polyether polyamine represented by the formula: ##STR33## where b has a value from about 8-50, a+c has a value from about 2.5-10, and Z is selected from the group consisting of (i) a hydrogen atom; (ii) an alkyl radical having from 1-6 carbon atoms; (iii) a polyether radical of the formula ##STR34## where b has a value from about 8-50, and a+c has a value from about 2.5-10; (iv) an alkylene polyether radical of the formula ##STR35## where R 1 is an alkylene radical having from about 1-3 carbon atoms, b has a value from about 8-50, and a+c has a value from about 2.5-10; and (v) a radical of the formula R.sub.2 (NH--R.sub.3).sub.x -- where R 2 is an alkyl radical having from about 12-20 carbon atoms, R 3 is an alkylene radical having from about 1-6 carbon atoms, and x has a value from about 1-5; and (c) 1-2 moles of a hydrocarbyl polyamine of the formula R.sub.2 (NH--R.sub.3).sub.x --NH.sub.2 where R 2 is an alkyl radical having from about 12-20 carbon atoms, R 3 is an alkylene radical having from about 1-6 carbon atoms, and x has a value from about 1-5.

Claim 24

A motor fuel composition according to claim 19, in which said reaction product is obtained by reacting 1 mole of said maleic anhydride with about 1.5 moles of said polyether polyamine and about 1 mole of said hydrocarbyl polyamine.

Claim 25

A motor fuel composition according to claim 17 containing from about 0.001 to 0.1 weight percent of said reaction product.

Claim 26

A motor fuel composition according to claim 17 containing from about 0.01 to 0.05 weight percent of said reaction product.

Claim 27

A concentrate composition comprising 1.0-75.0 weight precent of the reaction product of claim 13 in admixture with a hydrocarbon solvent.

Claim 28

A concentrate composition according to claim 23, where said reaction product is present concentration range of 5.0-35.0 weight percent.