Title:
HYDRAULIC FLUID COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2014/157201
Kind Code:
A1
Abstract:
Provided is a hydraulic fluid composition containing: a lubricant base oil; and 0.2-40 mass% with respect to the total amount of the hydraulic fuel composition of at least one copolymer selected from an olefin copolymer having a number average molecular weight of no greater than 18,000, and a copolymer of a dicarboxylic acid ester and an α-olefin and having a number average molecular weight of no greater than 20,000.
Inventors:
YAGISHITA KAZUHIRO (JP)
HIRANO TORU (JP)
OSHIO TADASHI (JP)
HIRANO TORU (JP)
OSHIO TADASHI (JP)
Application Number:
PCT/JP2014/058279
Publication Date:
October 02, 2014
Filing Date:
March 25, 2014
Export Citation:
Assignee:
JX NIPPON OIL & ENERGY CORP (JP)
International Classes:
C10M169/04; C10M101/02; C10M143/00; C10M145/16; C10N20/02; C10N20/04; C10N30/00; C10N40/08
Domestic Patent References:
| WO2012132054A1 | 2012-10-04 |
Foreign References:
| JP2008127426A | 2008-06-05 | |||
| JPS6322897A | 1988-01-30 | |||
| JPH03172391A | 1991-07-25 | |||
| JP2010255009A | 2010-11-11 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Yoshiki Hasegawa (JP)
Yoshiki Hasegawa (JP)
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