Title:
LUBRICATING OIL COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2013/147150
Kind Code:
A1
Abstract:
Provided is a lubricating oil composition with a low coefficient of friction (coefficient of traction) and excellent low-temperature fluidity, wherein the lubricating oil composition is made suitable as a transmission oil for an automatic transmission by using a base oil containing a mineral oil that satisfies the following conditions: (1) the kinematic viscosity at 100°C is 5 to 8 mm2/s; (2) the viscosity index is 130 or higher; (3) the %Cp derived by ring analysis (n-d-M) is 80 or higher.
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Inventors:
TAKEKAWA DAISUKE (JP)
Application Number:
PCT/JP2013/059507
Publication Date:
October 03, 2013
Filing Date:
March 29, 2013
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
TAKEKAWA DAISUKE (JP)
TAKEKAWA DAISUKE (JP)
International Classes:
C10M171/02; C10M101/02; C10N20/00; C10N20/02; C10N30/02; C10N30/06; C10N40/04
Foreign References:
| JP2008013677A | 2008-01-24 | |||
| JP2008013819A | 2008-01-24 | |||
| JP2008013686A | 2008-01-24 | |||
| JP2007284635A | 2007-11-01 | |||
| JP2010090210A | 2010-04-22 | |||
| JP2011174000A | 2011-09-08 |
Other References:
"Shadan Hojin Nippon Junkatsu Gakkai", JUNKATSU HANDBOOK, 1 June 1975 (1975-06-01), pages 344 - 345, XP008174969
See also references of EP 2837677A4
See also references of EP 2837677A4
Attorney, Agent or Firm:
OHTANI, Tamotsu et al. (JP)
Tamotsu Otani (JP)
Tamotsu Otani (JP)
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