US 2009/0270286 A1 · Synthetic Lubricating Oil

Abstract

The object of the present invention is to provide a synthetic lubrication oil which shows low viscosity, is excellent in viscosity properties at high temperature and shows stable lubricating properties in a wide range of temperature. The synthetic lubricating oil is one comprising an ionic liquid containing an organic cation selected from the group consisting of an imidazolium cation, a pyridinium cation, a quaternary ammonium cation and a quaternary phosphonium cation and a bis(fluorosulfonyl)imide anion, and one comprising an ionic liquid composition which comprises an ionic liquid (A) containing a 1-ethyl-3-methylimidazolium cation and an ionic liquid (B1) containing a 1-methyl-3-propylimidazolium cation and/or an ionic liquid (B2) containing a 1-methyl-3-isopropylimidazolium cation.

Claims10

Dependent claims

A synthetic lubricating oil comprising an ionic liquid containing an organic cation selected from the group consisting of an imidazolium cation, a pyridinium cation, a quaternary ammonium cation and a quaternary phosphonium cation and a bis(fluorosulfonyl)imide anion.

Dependencies are inferred from the claim text.

Facts

Application

12/093,604Filed 10 Nov 2006

Priority

JP 2005-32869514 Nov 2005

Published

29 Oct 2009

Term ends

Not estimatedThe source records don’t support an estimate.

Classification14 codes

C10M 105/72
Lubricating compositions characterised by the base-material being a non-macromolecular organic compound: containing sulfur, selenium or tellurium
C10M 2215/02
Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions: amines, e.g. polyalkylene polyamines;…
C10M 2215/023
Amines, e.g. polyalkylene polyamines; Quaternary amines: used as base material
C10M 2215/2203
Heterocyclic nitrogen compounds: used as base material

Synthetic Lubricating Oil

Life of this patent

Synthetic Lubricating Oil

Life of this patent

Abstract

Claims10