Title: Lubricating oil
Application Number: 200480029489 Application Date: 2004.10.08
Publication Number: 1863896 Publication Date: 2006.11.15
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C10M171/00,C10M105/56,C10M105/72,C10M105/74,F16N15/00,F16N39/00,C10N20/00,C10N20/02,C10N30/00,C10N30
Applicant(s) Name: Idemitsu Kosan Co. Address:
Inventor(s) Name: Kamimura Hideto
Attorney & Agent: zou xuemei
Abstract:
     Disclosed is a lubricating oil which has a low viscosity and a low vapor pressure at the same time, is free from a risk of inflammation and excellent in heat resistance. The lubricating oil has friction characteristics equivalent to those of the conventional hydrocarbon lubricating oils, and can be used for a long time under extremely severe conditions such as at high temperatures in vacuum condition. The lubricating oil contains, as a base oil, an ionic liquid which is composed of cations and anions and has an ion concentration of not less than 1 mol/dm3.
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