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Patent Searching and Data


Title:
GREASE COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2012/053575
Kind Code:
A1
Abstract:
The invention provides a grease composition containing: (A) a base oil that is a blend oil of a synthetic hydrocarbon oil and a highly purified mineral oil with a pour point of -35°C or less, wherein the mass ratio is 100:0-30:70; (B) a thickening agent represented by formula (1) R1-NHCONH-R2-NHCONH-R3 (1) (In the formula, R2 represents a C6-15 divalent aromatic hydrocarbon group. R1 and R3 are the same or different groups and represent cyclohexyl groups or C8-18 straight or branched alkyl groups, and [{(no. of moles of the alkyl groups)/(no. of moles of the alkyl groups + no. of moles of cyclohexyl groups)}x100] = 30-100%); and (C) an alkenyl succinic anhydride and/or an organic zinc sulfonate. This grease composition has excellent low torque properties and anti-rust properties.

Inventors:
IMAI YUTAKA (JP)
AIDA RYO (JP)
Application Number:
PCT/JP2011/074109
Publication Date:
April 26, 2012
Filing Date:
October 20, 2011
Export Citation:
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Assignee:
KYODO YUSHI (JP)
IMAI YUTAKA (JP)
AIDA RYO (JP)
International Classes:
C10M169/00; C10M101/02; C10M105/02; C10M107/02; C10M115/08; C10M129/34; C10M129/42; C10M135/10; C10N10/04; C10N20/00; C10N20/02; C10N30/02; C10N30/12; C10N40/02; C10N50/10
Domestic Patent References:
WO2011046201A12011-04-21
WO2009093685A12009-07-30
WO2009104790A12009-08-27
Foreign References:
JP2008143979A2008-06-26
JP2006300211A2006-11-02
JP2010048389A2010-03-04
JP2004108403A2004-04-08
JPS617079A1986-01-13
JP2008239706A2008-10-09
Other References:
See also references of EP 2631284A4
Attorney, Agent or Firm:
TSUJII Koichi et al. (JP)
辻居 Koichi (JP)
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Claims: