Title:
LUBRICATING OIL COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2012/160840
Kind Code:
A1
Abstract:
Provided is a lubricating oil composition with low molybdenum content and excellent friction reduction. The composition comprises in a lubricant base oil: (A) the phosphate metal salt represented by formula (1) and (B) an organomolybdenum compound wherein the ratio of molybdenum atoms to sulfur atoms is at least 1:3.5. (In the formula, R1 to R4 represent an optionally same or different C1
‑
30 hydrocarbon group, C1
‑
30 alkyl or alkenyl group, or a C1
‑
30 alkyl-containing alkyl thioethyl group; X1, X2, X3, and X4 each represent a sulfur or oxygen atom wherein either X1 or X2 is an oxygen, or both are oxygen, and either X3 or X4 is an oxygen or both are oxygen; and Y represents a metal element.)
More Like This:
| JP5795626 | Methods for improving the corrosiveness to copper |
| WO/2008/050681 | LUBRICATING OIL COMPOSITION |
Inventors:
YAGISHITA KAZUHIRO (JP)
Application Number:
PCT/JP2012/051219
Publication Date:
November 29, 2012
Filing Date:
January 20, 2012
Export Citation:
Assignee:
JX NIPPON OIL & ENERGY CORP (JP)
YAGISHITA KAZUHIRO (JP)
YAGISHITA KAZUHIRO (JP)
International Classes:
C10M141/12; C10M133/16; C10M135/18; C10M137/06; C10M137/10; C10M139/00; C10N10/12; C10N30/06; C10N40/25
Foreign References:
| JP2004083891A | 2004-03-18 | |||
| JP2007217604A | 2007-08-30 | |||
| JP2002508384A | 2002-03-19 | |||
| JP2001279287A | 2001-10-10 | |||
| JP2002129182A | 2002-05-09 | |||
| JPH08302378A | 1996-11-19 | |||
| JPH06306384A | 1994-11-01 |
Other References:
See also references of EP 2716743A4
Attorney, Agent or Firm:
MORITA, NOBUYUKI (JP)
Yoriyuki Morita (JP)
Yoriyuki Morita (JP)
Download PDF:
Claims: