Title:
LUBRICATING OIL COMPOSITION FOR SLIDING GUIDE SURFACE
Document Type and Number:
WIPO Patent Application WO/2018/062100
Kind Code:
A1
Abstract:
A lubricating oil composition for sliding guide surfaces which comprises a lube base oil, an acidic-phosphoric-ester mixture comprising an acidic phosphoric monoester and an acidic phosphoric diester that each have a structure represented by general formula (1), and an aliphatic monoamine, and which satisfies given requirement A or B. In general formula (1), R1 and R2 each represent a hydrogen atom or a C1-30 (un)saturated linear aliphatic hydrocarbon group, and both R1 and R2 are not hydrogen atoms.
(R1O)(R2O)(HO)=O (1)
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Inventors:
YAMAMOTO KUNIHARU (JP)
KONDO MASAAKI (JP)
SEKINE KENICHI (JP)
KONDO MASAAKI (JP)
SEKINE KENICHI (JP)
Application Number:
PCT/JP2017/034534
Publication Date:
April 05, 2018
Filing Date:
September 25, 2017
Export Citation:
Assignee:
COSMO OIL LUBRICANTS CO LTD (JP)
International Classes:
C10M141/10; C10M133/04; C10M135/00; C10M137/04; C10N30/06; C10N40/02
Domestic Patent References:
| WO2009119332A1 | 2009-10-01 |
Foreign References:
| JP2011068801A | 2011-04-07 | |||
| JP2007238764A | 2007-09-20 | |||
| JPH08134488A | 1996-05-28 | |||
| JPH1053783A | 1998-02-24 |
Other References:
See also references of EP 3521405A4
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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