Lubricants containing polyhydroxy hydrocarbylamines

DETAILED DESCRIPTION We claim: 1.
A lubricant composition comprising a major amount of a lubricant selected from the group consisting of (1) a mineral oil, (2) a synthetic oil, (3) a mixture of synthetic oils, (4) a mixture of a mineral oil and a synthetic oil and (5) a grease of (1), (2), (3) or (4) and an antifriction amount of a polyhydroxy hydrocarbylamine of the formula (HO).
sub.
x RN(R.
sup.
1).
sub.
2 wherein R is a C.
sub.
2 to C.
sub.
6 hydrocarbyl group, R.
sup.
1 is hydrogen or a C.
sub.
10 to C.
sub.
30 hydrocarbyl group, at least one of R.
sup.
1 being a hydrocarbyl group and x is 2 or 3.
2.
The composition of claim 1 wherein the amine is derived from decylamine, dodecylamine, tetradecylamine, octadecylamine, oleylamine, soyamine, tallowamine, and mixtures of such amines.
3.
The composition of claim 1 wherein the amine is 1,2-dihydroxy cocoamine.
4.
The composition of claim 1 wherein the amine is 1,2-dihydroxy octadecylamine.
5.
The composition of claim 1 wherein the lubricant is a mineral oil.
6.
The composition of claim 1 wherein the lubricant is a synthetic oil.
7.
The composition of claim 1 wherein the lubricant is a mixture of synthetic oils.
8.
The composition of claim 1 wherein the lubricant is mixture of mineral and synthetic oils.
9.
The composition of claim 1 wherein the lubricant is a grease according to (4).
10.
A method of reducing fuel consumption in an internal combustion engine by lubricating said engine with a composition comprising a major proportion of a lubricating oil selected from the group consisting of (1) a mineral oil, (2) a synthetic oil, (3) a mixture of synthetic oils, (4) a mixture of a mineral oil and a synthetic oil and (5) a grease of (1), (2), (3) or (4) and a fuel reducing amount of an amine of the formula (HO).
sub.
x RN(R.
sup.
1).
sub.
2 wherein R is a C.
sub.
2 to C.
sub.
6 hydrocarbyl group, R.
sup.
1 is hydrogen or a C.
sub.
10 to C.
sub.
30 hydrocarbyl group, at least one of R.
sup.
1 being a hydrocarbyl group and x is 2 or 3.
11.
The method of claim 10 wherein the amine is derived from decylamine, dodecylamine, tetradecylamine, octadecylamine, oleylamine, soyamine, tallowamine, and mixtures of such amines