Patent ID: 8722927
Filing Date: 2014-05-13
Classification: C08F,C10L,C10M,C10N

Abstract:
1. A lubricating oil composition comprising a major amount of an oil of lubricating viscosity and a minor effective amount of one or more Mannich condensation products having the formula wherein each R is independently —CHR′—, wherein R′ is branched or linear alkyl having one to about 10 carbon atoms, cycloalkyl having from about 3 carbon atoms to about 10 carbon atoms, aryl having from about 6 carbon atoms to about 10 carbon atoms, alkaryl having from about 7 carbon atoms to about 20 carbon atoms, or aralkyl having from about 7 carbon atoms to about 20 carbon atoms, R X is hydrogen, an alkali metal ion, or alkyl having one carbon atom to about 6 carbon atoms; W is —[CHR″]— and m is an integer from one to 4; Y is hydrogen, alkyl having one carbon atom to about 10 carbon atoms, —CHR′OH, wherein R′ is as defined above, or wherein Y′ is —CHR′OH, wherein R′ is as defined above; and R, X, and W are as defined above; Z is hydroxyl, a hydroxyphenyl group of the formula wherein R, R and n is an integer from 0 to 20, with the proviso that when n=0, Z must be wherein R, R