Patent ID: 9085743
Filing Date: 2015-07-21
Classification: C10M,C10N

Abstract:
1. An engine oil composition comprising: 10-13 wt % of polymethylacrylate, having a molecular weight of between about 100,000 and about 150,000; 0.05 to 5 wt % of zinc alkyldithiophosphate; 0.5 to 2 wt % of molybdenum dithiocarbamate with an alkyl group having a carbon number of 8 to 13; 0.05 to 1 wt % of a hindered phenol antioxidant; and 70 to 90 wt % of at least one mineral oil comprising one or more aromatic compounds in an amount of less than 0.1 wt %, and having a viscosity index of 120 or higher.