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1. (US20100093578) LUBRICATING OIL COMPOSITION

Office : United States of America
Application Number: 12525164 Application Date: 22.08.2007
Publication Number: 20100093578 Publication Date: 15.04.2010
Publication Kind : A1
Prior PCT appl.: Application Number:JP07066696 ; Publication Number: Click to see the data
IPC:
C10M 137/00
C10M 145/00
C10M 145/14
C CHEMISTRY; METALLURGY
10
PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
M
LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
137
Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
C CHEMISTRY; METALLURGY
10
PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
M
LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
145
Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen
C CHEMISTRY; METALLURGY
10
PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
M
LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
145
Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen
02
Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
10
containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate
12
monocarboxylic
14
Acrylate; Methacrylate
Applicants: NIPPON OIL CORPORATION
Inventors: Tsujimoto Teppei
Yaguchi Akira
Agents: PANITCH SCHWARZE BELISARIO &; NADEL LLP
Priority Data: 2007020916 31.01.2007 JP
Title: (EN) LUBRICATING OIL COMPOSITION
Abstract:
(EN)

The present invention provides a lubricating oil composition improved in fuel-saving properties by reducing lubrication resistance within the same viscosity grade oils. The lubricating oil composition comprises a lubricating base oil and a viscosity index improver with a PSSI of 30 or lower blended such that the viscosity index of the composition is 160 or greater and the 100° C. kinematic viscosity loss after shearing is 15 percent or less.


Also published as:
EP2112217WO/2008/093446