Friction reducing additives and compositions thereof

Claim 2

A reaction product produced by reacting an alkyl, alkenyl, cycloalkyl or cycloalkenyl mono or diamine having 10 to 30 carbon atoms or a polyamine of the formula RNH(R.sup.1 NH).sub.x H wherein R is hydrogen or a C 1 to C 20 alkyl or alkenyl group, R 1 is a C 2 to C 5 alkylene group and x is 1 to 10, with a mercaptan having the formula R.sup.3 SH wherein R 3 is a hydrocarbyl group containing from 8 to 30 carbon atoms and an aldehyde of the formula R.sup.2 CHO wherein R 2 is hydrogen or a C 1 to C 8 alkyl group, the reaction employing the respective reactants in molar ratios of from about 1:0.5:1 to about 1:1:1 and temperatures of from about 80° C. to about 160° C.

Claim 3

The reaction product of claim 1 wherein the mercaptan is dodecyl mercaptan.

Claim 4

The reaction product of claim 1 wherein the aldehyde is formaldehyde.

Claim 5

The reaction product of claim 1 wherein the amine is oleylamine, N-oleyl-1,3-propylenediamine, cocoamine or ethylenediamine.

Claim 6

The reaction product of claim 1 wherein the amine is oleylamine, the aldehyde is formaldehyde and the mercaptan is dodecyl mercaptan.

Claim 7

The reaction product of claim 1 wherein the amine is N-oleyl-1,3-propylenediamine, the aldehyde is formaldehyde and the mercaptan is dodecyl mercaptan.

Claim 8

The reaction product of claim 1 wherein the amine is cocoamine, the aldehyde is formaldehyde and the mercaptan is dodecyl mercaptan.

Claim 9

The reaction product of claim 1 wherein the amine is ethylenediamine, the aldehyde is formaldehyde and the mercaptan is dodecyl mercaptan.

Claim 10

A composition comprising a major proportion of an oil of lubricating viscosity, greases prepared from oils of lubricating viscosity, liquid hydrocarbon fuels, alcoholic fuels or mixtures of such fuels and an antifriction amount of the reaction product produced by reacting an alkyl, alkenyl, cycloalkyl or cycloalkenyl mono- or diamine having 10 to 30 carbon atoms or a polyalkylene-polyamine of the formula RNH(R.sup.1 NH)xH wherein R is hydrogen or a C 1 to C 20 alkyl or alkenyl group, R 1 is a C 2 to C 5 alkenyl group and x is 1 to 10, with a mercaptan having the formula R.sup.3 SH wherein R 3 is a hydrocarbyl group containing from 8 to 30 carbon atoms and an aldehyde having the formula R.sup.2 CHO wherein R 2 is hydrogen or a C 1 to C 8 alkyl group, the reaction employing the respective reactants in molar ratios of from about 1:0.5:1 to about 1:1:1 and temperatures of from about 80° C. to about 160° C.

Claim 11

A composition comprising a major proportion of an oil of lubricating viscosity, greases prepared from oils of lubricating viscosity, liquid hydrocarbon fuels, alcoholic fuels or mixtures of such fuels and an antifriction amount of the reaction product produced by reacting an alkyl, alkenyl, cycloalkyl or cycloalkenyl mono- or diamine having 10 to 30 carbon atoms or a polyalkylene-polyamine of the formula RNH(R.sup.1 NH)xH wherein R is hydrogen or a C 1 to C 20 alkyl or alkenyl group, R 1 is a C 2 to C 5 alkenyl group and x is 1 to 10, with a mercaptan having the formula R.sup.3 SH wherein R 3 is a hydrocarbyl group containing from 8 to 30 carbon atoms and an aldehyde having the formula R.sup.2 CHO wherein R 2 is hydrogen or a C 1 to C 8 alkyl group, the reaction employing the respective reactants in molar ratios of from about 1:0.5:1 to about 1:1:1 and temperatures of from about 80° C. to about 160° C.

Claim 12

The composition of claim 9 wherein in preparing the reaction product, the mercaptan used is dodecyl mercaptan.

Claim 13

The composition of claim 9 wherein in preparing the reaction product, the aldehyde used is formaldehyde.

Claim 14

The composition of claim 9 wherein in preparing the reaction product, the amine is oleylamine, N-oleyl-1,3-propylenediamine, cocoamine or ethylenediamine.

Claim 15

The composition of claim 9 wherein in preparing the reaction product, the amine, aldehyde and mercaptan used are, respectively, oleylamine, formaldehyde and dodecyl mercaptan.

Claim 16

The composition of claim 9 wherein in preparing the reaction product, the amine, aldehyde and mercaptan used are, respectively, N-oleyl-1,3-propylenediamine, formaldehyde and dodecyl mercaptan.

Claim 17

The composition of claim 9 wherein in preparing the reaction product, the amine, aldehyde and mercaptan used are, respectively, cocoamine, formaldehyde and dodecyl mercaptan.

Claim 18

The composition of claim 9 wherein in preparing the reaction product, the amine, aldehyde and mercaptan used are, respectively, ethylenediamine, formaldehyde and dodecyl mercaptan.

Claim 19

The composition of claim 9 wherein the lubricant is a mineral oil, a synthetic oil, mixtures of such oils or a grease made from any of them.

Claim 20

The composition of claim 17 wherein the lubricant is a mineral oil.

Claim 21

The composition of claim 17 wherein the lubricant is a synthetic oil.

Claim 22

The composition of claim 17 wherein the lubricant is a mixture of synthetic and mineral oils.

Claim 23

The composition of claim 17 wherein the lubricant is a grease.

Claim 24

The composition of claim 12 wherein the liquid fuel is a liquid hydrocarbon or alcohol fuel, or mixtures thereof.

Claim 25

The composition of claim 22 wherein the liquid hydrocarbon fuel is gasoline or fuel oil.

Claim 26

The composition of claim 22 wherein the alcohol fuel is ethanol or methanol.

Claim 27

The composition of claim 22 wherein the fuel is a mixture of the liquid hydrocarbon fuel and alcohol fuel.