Title:
LUBRICANT OIL COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2014/142231
Kind Code:
A1
Abstract:
This lubricant oil composition contains additives blended into an oil base. The additives are (a) at least any compound selected from alkali earth metal sulfonates, alkali earth metal salicylates, and alkali earth metal phenates, (b) a sulfur-containing phosphorus compound, and (c) a thiadiazole compound, the product of the mass (mass%) of component (c) in the composition and the mass (mass ppm) of the element phosphorus in component (b), ((c) × P), being from 1 to 50, inclusive.
Inventors:
IWAI TOSHIAKI (JP)
Application Number:
PCT/JP2014/056640
Publication Date:
September 18, 2014
Filing Date:
March 13, 2014
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C10M169/04; C10M135/36; C10M137/10; C10M159/22; C10M159/24; C10N10/04; C10N20/00; C10N30/06; C10N30/12; C10N40/04
Domestic Patent References:
| WO2009101847A1 | 2009-08-20 | |||
| WO2008133327A1 | 2008-11-06 |
Foreign References:
| JP2003138285A | 2003-05-14 | |||
| JP2008222904A | 2008-09-25 | |||
| JP4377505B2 | 2009-12-02 | |||
| JP2007126543A | 2007-05-24 | |||
| JP2010189479A | 2010-09-02 | |||
| JP2011006705A | 2011-01-13 | |||
| JP4117043B2 | 2008-07-09 |
Other References:
See also references of EP 2975106A4
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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