LUBE BASE OIL AND LUBRICATING OIL COMPOSITION

Title:

LUBE BASE OIL AND LUBRICATING OIL COMPOSITION

Document Type and Number:

WIPO Patent Application WO/2005/035699

Kind Code:

A1

Abstract:

A lube base oil which comprises at least one hydrocarbon compound having as the basic skeleton a structure represented by any of the general formulae (I) to (VI) and has a viscosity at -40°C of 40 Pa·s or lower and a viscosity index of 80 or higher, (wherein p is an integer of 1 to 10, provided that in the formulae (I) and (II), p is not 1). It satisfies the coefficient of high-temperature traction, low-temperature flowability, and viscosity index on a high level.

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Inventors:

YOSHIDA YUKIO (JP)
TSUBOUCHI TOSHIYUKI (JP)
SEKIGUCHI HIROKI (JP)
KOGA HIDETOSHI (JP)

Application Number:

PCT/JP2004/014735

Publication Date:

April 21, 2005

Filing Date:

October 06, 2004

Export Citation:

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Assignee:

IDEMITSU KOSAN CO (JP)
YOSHIDA YUKIO (JP)
TSUBOUCHI TOSHIYUKI (JP)
SEKIGUCHI HIROKI (JP)
KOGA HIDETOSHI (JP)

International Classes:

C10M105/04; (IPC1-7): C10M105/04

Foreign References:

US3411369A	1968-11-19
JPS58154799A	1983-09-14
JP2000017280A	2000-01-18
JP2001247492A	2001-09-11
JPH0959660A	1997-03-04
US2940984A	1960-06-14
US2382038A	1945-08-14
JP2000017280A	2000-01-18
FR2036999A1	1970-12-31
EP0082967A2	1983-07-06
EP0989177A1	2000-03-29

Other References: