Patent ID: 8765649
Filing Date: 2014-07-01
Classification: C10M,C10N

Abstract:
1. A lubricating oil composition, comprising: a lubricant base oil having a sulfur content adjusted to 0.1% or less by mass; and the following (B) incorporated into the base oil in an amount of 0.02 to 0.5% by mass of the total of the composition, the amount being an amount in terms of the metal element therein: (B) one or more alkaline earth metal salicylates in which the ratio of one or more monoalkylsalicylate constituents is adjusted to 85% or more by mol and the ratio of a 3-alkylsalicylate constituent represented by the following general formula (2) is adjusted to 60% or more by mol, and/or one or more (over) basic salts thereof: (in the general formula (2), R 3 represents a secondary alkyl group having 10 or more and less than 20 carbon atoms; and M represents an alkaline earth metal; and n represents 2) wherein the metal ratio of said (B) is 2.3 or less.