| abstract |
An additive concentrate with improved stability for use in forming lubricating oil compositions, particularly lubricating oil compositions for internal combustion engines. An additive concentrate for use in forming a lubricating oil composition having a lubricating viscosity present in a minor amount of less than 50% by weight, based on the total weight of the additive concentrate And a plurality of oil-soluble or oil-dispersible additives in excess of 50% by weight on an active ingredient basis, said plurality of additives being additive (A) as defined in claim 1 , (B), and (C), wherein the average succination ratio (SR) of component (C) is related to an additive concentrate equal to or greater than 1.35. [Selection figure] None |