Patent ID: 9102894
Filing Date: 2015-08-11
Classification: C10M,C10N,C23F

Abstract:
1. A rust preventive oil composition comprising: a lubricant base oil in an amount of at least 70% by mass based on the total amount of the composition, water in an amount of 0.1-10% by mass based on the total amount of the composition, a nonionic surfactant with a hydrophilic-lipophilic index of 10-12 and with an amount of 0.1-10% by mass based on the total amount of the composition, a sarcosine compound in an amount from 0.05% to 10% by mass based on the total amount of the composition, and at least one rust-preventing additive selected from among sulfonic acid salts, esters, amines, carboxylic acids, fatty acid amine salts, carboxylic acid salts, paraffin waxes, oxidized wax salts, alkyl or alkenylsuccinic acid derivatives and boron compounds, the composition having a 40° C. kinematic viscosity of 1-50 mm