| abstract |
(57) [Summary]nA lubricating oil composition comprising a base oil, a sulfur-phosphorus containing antiwear / extreme pressure additive and a hindered phenol antioxidant, wherein the combination of the extreme pressure additive and the hindered phenol antioxidant produces crystals, Stabilizing a base oil characterized by having a saturate content of greater than or equal to% by weight against crystal formation by adding small amounts of high molecular weight di- or polycarboxylic acids or anhydrides and esters. The lubricating oil composition as described above. |