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Title:
LUBRICATING OIL COMPOSITION, MECHANICAL DEVICE EQUIPPED WITH LUBRICATING OIL COMPOSITION, AND METHOD FOR PRODUCING LUBRICATING OIL COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2020/085153
Kind Code:
A1
Abstract:
A lubricating oil composition including a lubricating base oil (A), a neutral phosphorus compound (B), an acidic phosphorus compound (C), a sulfur compound (D), and an organic molybdenum compound (E).

Inventors:
NARITA KEIICHI (JP)
Application Number:
PCT/JP2019/040538
Publication Date:
April 30, 2020
Filing Date:
October 16, 2019
Export Citation:
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Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C10M169/04; C10M135/00; C10M135/18; C10M137/00; C10N10/12; C10N20/00; C10N30/00; C10N30/06; C10N40/04; C10N40/08
Domestic Patent References:
WO2011080970A12011-07-07
Foreign References:
JP2003336089A2003-11-28
JP2011006635A2011-01-13
JP2016190897A2016-11-10
JP2008239762A2008-10-09
Other References:
WATANABE, TOMOMI ET AL.: "Spectrophotometric flow-injection analysis of the total base number and the total acid number in lubricants containing both acid and base compounds", BUNSEKI KAGAKU, vol. 52, no. 1, 8 May 2003 (2003-05-08), pages 41 - 50, XP055710504, ISSN: 0525-1931
See also references of EP 3872153A4
Attorney, Agent or Firm:
KOBAYASHI Hiroshi et al. (JP)
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