Title:
GREASE COMPOSITION FOR RESIN LUBRICATION AND ELECTRIC POWER STEERING DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/104812
Kind Code:
A1
Abstract:
Provided is a grease composition for resin lubrication which comprises a base oil, a diurea compound represented by formula (I) as a thickener, and a chain hydrocarbon polymer, the weight average molecular weight of the chain hydrocarbon polymer being 20,000-300,000. R1-NHCONH-R2-NHCONH-R3 (I) (In formula (I), R2 is a divalent aromatic hydrocarbon group having 6-15 carbon atoms. R1 and R3 are each independently a straight chain or branched alkyl group having 8-22 carbon atoms.)
Inventors:
HIROOKA IWAKI (JP)
KIYOTA HARUHIKO (JP)
YAMAMOTO TAKESHI (JP)
HOKAO MICHITA (JP)
KIYOTA HARUHIKO (JP)
YAMAMOTO TAKESHI (JP)
HOKAO MICHITA (JP)
Application Number:
PCT/JP2015/086535
Publication Date:
June 30, 2016
Filing Date:
December 28, 2015
Export Citation:
Assignee:
KYODO YUSHI (JP)
NSK LTD (JP)
NSK LTD (JP)
International Classes:
C10M169/06; B62D5/04; C10M107/02; C10M115/08; C10M143/00; C10M159/00; F16H1/16; C10N30/00; C10N30/06; C10N40/04; C10N50/10
Domestic Patent References:
| WO2004081156A1 | 2004-09-23 | |||
| WO2004037958A1 | 2004-05-06 |
Foreign References:
| JP2009114387A | 2009-05-28 | |||
| JP2002363588A | 2002-12-18 | |||
| JP2010126607A | 2010-06-10 | |||
| JP2003065422A | 2003-03-05 | |||
| JP2003207031A | 2003-07-25 | |||
| JP2006328308A | 2006-12-07 | |||
| JP2004231714A | 2004-08-19 | |||
| JP2005329849A | 2005-12-02 |
Other References:
See also references of EP 3239281A4
Attorney, Agent or Firm:
NISHIJIMA Takaki et al. (JP)
Takayoshi Nishijima (JP)
Takayoshi Nishijima (JP)
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