The present invention provides a composition (a) a detergent package comprising: (i) a metal salixarate; and (ii) optionally a detergent other than component (a)(i); (b) a dispersant package comprising: (i) a dispersant with a carbonyl to nitrogen ratio of 1 or higher; and (ii) a dispersant with a carbonyl to nitrogen ratio of less than 1; (c) an antioxidant package comprising: (i) a hindered phenol; and (d) an oil of lubricating viscosity, wherein the composition has a phosphorus content of less than or equal to 800 ppm; and wherein the sulphated ash content is less than or equal to 1.1 weight percent of the composition. The invention further provides a process for preparing the composition and its use.
申请公布号
WO2005061682(A2)
申请公布日期
2005.07.07
申请号
WO2004US40895
申请日期
2004.12.07
申请人
THE LUBRIZOL CORPORATION;WILBY, R. IAN;BARR, DOUGLAS M.;MCATEE, RODNEY J.