Patent ID: 8476207
Filing Date: 2013-07-02
Classification: C10L,C10M,C10N

Abstract:
1. A composition comprising an oil of lubricating viscosity and a quaternary ammonium salt which comprises the reaction product of: a. the reaction of a hydrocarbyl-substituted acylating agent and a compound having an oxygen or nitrogen atom capable of condensing with said acylating agent and further having a tertiary amino group represented by at least one of formula VII and VIII wherein X is an alkylene group containing about 1 to about 4 carbon atoms, R2 R3 and R4 are H or an alkylene group of 1 to 2 carbon atoms; and b. quaternizing agent suitable for converting the tertiary amino group to a quaternary nitrogen wherein the quaternizing agent comprises a hydrocarbyl epoxide in combination with an acid.