Title:
LUBRICANT ADDITIVE AND LUBRICANT COMPOSITION COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2021/085480
Kind Code:
A1
Abstract:
The lubricant additive comprises a phosphite ester compound A having a specific structure and a phosphite ester compound B having a specific structure B, and the mass ratio of the phosphite ester compound A to the phosphite ester compound B (phosphite ester compound A: phosphite ester compound B) is 99:1 to 80:20. According to the present invention, it is possible to provide a lubricant additive which is capable of imparting abrasion resistance and demulsibility to a lubricant base oil and persisting in the presence of water.
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Inventors:
ODA KAZUHIRO (JP)
MONJIYAMA SHUNSUKE (JP)
MONJIYAMA SHUNSUKE (JP)
Application Number:
PCT/JP2020/040459
Publication Date:
May 06, 2021
Filing Date:
October 28, 2020
Export Citation:
Assignee:
NOF CORP (JP)
International Classes:
C10M137/02; C10N30/00; C10N30/06; C10N40/08; C10N40/20; C10N40/25
Domestic Patent References:
| WO2011062282A1 | 2011-05-26 | |||
| WO2011080970A1 | 2011-07-07 |
Foreign References:
| JP2000192067A | 2000-07-11 | |||
| JPH07258673A | 1995-10-09 | |||
| JPH08165483A | 1996-06-25 | |||
| JP2001081490A | 2001-03-27 | |||
| JPH0232195A | 1990-02-01 | |||
| JP2004204002A | 2004-07-22 |
Other References:
See also references of EP 4053253A4
Attorney, Agent or Firm:
TAGUCHI, Masahiro et al. (JP)
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