Fluid additive composition

1 . A fluid additive composition comprising a stabilizing-effective amount of at least one dispersant comprising greater than or equal to 50% of terminal vinylidene, wherein said at least one dispersant is a reaction product of at least one hydrocarbyl substituted acylating agent and at least one amine.

2 . The additive composition of claim 1 , wherein the at least one dispersant is present in the composition in an amount of from about 1% to about 80% by weight relative to the total weight of the composition.

3 . The additive composition of claim 2 , wherein the at least one dispersant is present in the composition in an amount of from about 20% to about 70% by weight relative to the total weight of the composition.

4 . The additive composition of claim 1 , wherein the at least one hydrocarbyl substituted acylating agent is derived from a polyalkene.

5 . The additive composition of claim 4 , wherein the polyalkene is selected from the group consisting of homopolymers and interpolymers of olefin monomers comprising from 2 to 16 carbon atoms.

6 . The additive composition of claim 4 , wherein the polyalkene is polyisobutene.

7 . The additive composition of claim 4 , wherein the polyalkene is reacted with at least one carboxylic acylating reagent.

8 . The additive composition of claim 7 , wherein the at least one carboxylic acylating reagent is maleic anhydride.

9 . The additive composition of claim 1 , wherein the at least one amine is selected from the group consisting of primary, secondary and tertiary amines.

10 . The additive composition of claim 1 , further comprising at least one additive selected from the group consisting of dispersants, detergents, antioxidants, metal deactivators, dyes, markers, copper corrosion inhibitors, biocides, antistatic additives, demulsifiers, dehazers, anti-icing additives, lubricity additives, extreme pressure additives, cold flow improvers, friction modifiers, antiwear agents, antifoam agents, viscosity index improvers, antirust additives, seal swell agents, metal deactivators, and air expulsion additives.

11 . A lubricating composition comprising the fluid additive composition of claim 1 .

12 . The lubricating composition of claim 11 , further comprising a base oil.

13 . The lubricating composition of claim 12 , wherein the base oil comprises at least one of natural oil and synthetic oil.

14 . The lubricating composition of claim 13 , wherein the natural oil comprises at least one of a mineral oil and a vegetable oil.

15 . The lubricating composition of claim 13 , wherein the synthetic oil comprises at least one of an oligomer of an alpha-olefin, an ester, an oil derived from a Fischer-Tropsch process, and a gas-to-liquid stock.

16 . The lubricating composition of claim 12 , wherein the base oil is present in the composition in a major amount.

17 . The lubricating composition of claim 11 , further comprising at least one additive selected from the group consisting of dispersants, detergents, antioxidants, metal deactivators, dyes, markers, copper corrosion inhibitors, biocides, antistatic additives, demulsifiers, dehazers, anti-icing additives, lubricity additives, extreme pressure additives, cold flow improvers, friction modifiers, antiwear agents, antifoam agents, viscosity index improvers, antirust additives, seal swell agents, metal deactivators, and air expulsion additives.

18 . The lubricating composition of claim 11 , wherein the composition is suitable for use in a transmission employing at least one of a slipping torque converter, a lock-up torque converter, a starting clutch, and at least one shifting clutch.

19 . The lubricating composition of claim 11 , wherein the fluid is suitable for use in a belt, chain, or disk-type continuously variable transmission.

20 . The lubricating composition of claim 11 , wherein the lubricating composition is a power transmission fluid.

21 . The lubricating composition of claim 20 , wherein the power transmission fluid is an automatic transmission fluid.

22 . The lubricating composition of claim 20 , wherein the power transmission fluid is a manual transmission fluid.

23 . A vehicle comprising a transmission, the transmission including the lubricating composition of claim 11 .

24 . A vehicle comprising a transmission, the transmission including the fluid additive composition of claim 1 .

25 . A method for improving storage stability of a lubricating composition comprising adding to a lubricating composition a fluid additive composition of claim 1 .

26 . A method for improving storage stability of a fuel composition comprising adding to a fuel composition a fluid additive composition of claim 1 .

27 . A fuel composition comprising:

a) a base fuel in a major amount, and

b) a fluid additive composition of claim 1 in a minor amount.

28 . The fuel composition of claim 27 , further comprising at least one additive selected from the group consisting of dispersants, detergents, antioxidants, metal deactivators, dyes, markers, copper corrosion inhibitors, biocides, antistatic additives, demulsifiers, dehazers, anti-icing additives, lubricity additives, extreme pressure additives, cold flow improvers, friction modifiers, antiwear agents, antifoam agents, viscosity index improvers, antirust additives, seal swell agents, metal deactivators, and air expulsion additives.

29 . A vehicle comprising an engine, the engine comprising the fuel composition of claim 27 .

30 . An engine combusting the fluid additive composition of claim 1 .

31 . An engine combusting the fuel composition of claim 27 .

32 . An actuated injector contacting the fluid additive composition of claim 1 .

33 . An actuated injector contacting the fuel composition of claim 27 .

34 . The injector of claim 32 , wherein the actuated injector is selected from the group consisting of direct-injection gasoline, port-fuel, sequential central port-fuel, and director plate injectors.