Title:
LUBRICANT COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2019/221111
Kind Code:
A1
Abstract:
The present invention pertains to a lubricant composition containing: (A) a poly-α-olefin base oil obtained by using a metallocene catalyst; (B) a mineral oil base oil having a temperature gradient Δ|Dt| of 6.8°C/vol% for distillation temperature between two points at distillate volume 2.0 vol% and 5.0 vol% in a distillation curve; and at least 6 mass%, with respect to the total mass of the composition, of (C) an ester base oil.
Inventors:
ONO TAKUYA (JP)
YOKOYAMA SHO (JP)
YOKOYAMA SHO (JP)
Application Number:
PCT/JP2019/019097
Publication Date:
November 21, 2019
Filing Date:
May 14, 2019
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C10M111/04; C10M101/02; C10M105/32; C10M105/38; C10M107/02; C10M143/00; C10N20/00; C10N20/02; C10N30/06; C10N30/08; C10N30/10; C10N40/04
Domestic Patent References:
| WO2010084966A1 | 2010-07-29 | |||
| WO2008038701A1 | 2008-04-03 |
Foreign References:
| JP2009227942A | 2009-10-08 | |||
| JP2004182931A | 2004-07-02 | |||
| JP2002502436A | 2002-01-22 | |||
| JP2015086286A | 2015-05-07 | |||
| JP2003252887A | 2003-09-10 |
Other References:
See also references of EP 3795663A4
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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