| abstract |
An automatic transmission fluid comprises a major amount of an oil of lubricating viscosity and minor amounts of (a) one or more oil-soluble or dispersible molybdenum-containing compounds, and (b) a reaction product of an isomerized alkenyl-substituted succinic anhydride and a polyamine characterized by structure (II):n n In structure (II) x and y are independently zero or integers from 1 to 30, where x + y is from 1 to 30, and z is zero or an integer from 1 to 10. |