Lubricant and motor fuel additives

DETAILED DESCRIPTION I claim: 1.
As a new composition, an oil-soluble boron-containing composition having a boron concentration in the range of 0.
75 to 1.
5 percent by weight which is the reaction product obtained upon reacting a.
a petroleum sulfonic acid, b.
a polyamine selected from the group consisting of 1.
amines of the formula H.
sub.
2 N[(CH.
sub.
2).
sub.
x NH].
sub.
y H wherein x equals 2-6 and y equals 1-100, and 2.
polymers of alkylene imines of the formula ##EQU2## wherein R" is selected from hydrogen and alkyl radicals having 1-14 carbon atoms, and c.
a boron compound.
2.
A composition according to claim 1 wherein the boron content is about 1 to 1.
4 percent by weight and (a) is a petroleum sulfonic acid prepared by sulfonating a petroleum hydrocarbon fraction having a viscosity within the range of 90 to 270 SUS at 210.
degree.
F and a viscosity index of at least about 85 and (b) is tetraethylene pentamine or a polyethylene imine.
3.
A composition according to claim 1 wherein the amount of (a) present with respect to (b) ranges from 1 equivalent per mole to 0.
75 A, wherein A represents the total equivalents of primary and secondary amines present in the amount of polyamine employed.
4.
A composition according to claim 1 wherein said reaction product is formed by reacting (a), (b) and (c) at a temperature in the range of room temperature to 325.
degree.
F.
5.
A lubricating oil composition comprising a major proportion of a lubricating oil containing a small but effective amount, sufficient to impart detergency to said lubricating oil, of an oil-soluble dispersant additive which is the reaction product defined according to claim 1.
6.
A composition according to claim 5 wherein the lubricating oil composition contains from about 0.
2 to about 30 weight percent of said oil-soluble dispersant additive.
7.
A composition comprising a major proportion of a lubricating oil and from about 0.
2 to about 30 weight percent of the reaction product of claim 2.
8.
An internal combustion engine fuel comprising hydrocarbons in the gasoline boiling range containing a small but effective amount, sufficient to impart increased detergency to said fuel, of an oil-soluble dispersant additive which is the reaction product defined according to claim 1