Title:
LUBRICATING OIL COMPOSITION FOR INTERNAL COMBUSTION ENGINES
Document Type and Number:
WIPO Patent Application WO/2023/190101
Kind Code:
A1
Abstract:
Provided is a lubricating oil composition for internal combustion engines, comprising: (A) a lubricating oil base oil; (B) a molybdenum-based friction modifier that contains molybdenum in an amount of 50 ppm by mass to 2000 ppm by mass inclusive relative to the whole mass of the composition; (C) R1-NH-(CH2)n1-NH2 (wherein R1 represents an aliphatic hydrocarbon group having 4 to 24 carbon atoms and optionally having a substituent, an alicyclic hydrocarbon group having 6 to 15 carbon atoms and optionally having a substituent, or an aromatic hydrocarbon group having 6 to 15 carbon atoms and optionally having a substituent; and n1 represents 2 to 5) that acts as an ash-free friction modifier; and (D) magnesium carbonate salicylate that acts as a metal-based cleaning agent.
Inventors:
ERYU SHOGO (JP)
KANEKO JO (JP)
KANEKO JO (JP)
Application Number:
PCT/JP2023/011689
Publication Date:
October 05, 2023
Filing Date:
March 24, 2023
Export Citation:
Assignee:
ENEOS CORP (JP)
International Classes:
C10M169/04; C10M129/10; C10M129/28; C10M129/54; C10M133/06; C10M133/12; C10M135/18; C10M137/10; C10M145/14; C10M159/22; C10N10/04; C10N10/12; C10N30/00; C10N30/04; C10N40/25
Domestic Patent References:
| WO2019046252A1 | 2019-03-07 |
Foreign References:
| JP2008106199A | 2008-05-08 | |||
| JP2008127563A | 2008-06-05 | |||
| JP2020076004A | 2020-05-21 | |||
| JP2003238980A | 2003-08-27 |
Attorney, Agent or Firm:
MOEGI PATENT ATTORNEYS (JP)
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