Title:
LUBRICANT OIL COMPOSITION FOR TRANSMISSIONS
Document Type and Number:
WIPO Patent Application WO/2013/073651
Kind Code:
A1
Abstract:
A lubricant oil composition for transmissions is characterized by containing 1 to 80 mass% inclusive of a base oil having a 40˚C kinematic viscosity of 0.5 to 20 mm2/s inclusive and a viscosity index of 200 or more. The composition has a high viscosity index and high shear stability, and therefore is suitable for non-stage transmissions.
Inventors:
IWAI TOSHIAKI (JP)
Application Number:
PCT/JP2012/079742
Publication Date:
May 23, 2013
Filing Date:
November 16, 2012
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
IWAI TOSHIAKI (JP)
IWAI TOSHIAKI (JP)
International Classes:
C10M171/02; C10M101/02; C10M105/04; C10M143/08; C10N20/02; C10N30/02; C10N40/04
Domestic Patent References:
| WO2004074414A1 | 2004-09-02 |
Foreign References:
| JP2011168677A | 2011-09-01 | |||
| JP2006117854A | 2006-05-11 | |||
| JP2009249496A | 2009-10-29 | |||
| JPH05230482A | 1993-09-07 | |||
| JP2010180277A | 2010-08-19 | |||
| JP2004155873A | 2004-06-03 | |||
| JP2005154760A | 2005-06-16 | |||
| JP2008179662A | 2008-08-07 | |||
| JP2000501126A | 2000-02-02 |
Attorney, Agent or Firm:
KINOSHITA & ASSOCIATES (JP)
Bottom intellectual property office of patent business corporation Tatsuyuki (JP)
Bottom intellectual property office of patent business corporation Tatsuyuki (JP)
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