Title:
GREASE COMPOSITION
Document Type and Number:
Japanese Patent JP2009275138
Kind Code:
A
Abstract:
To provide a grease composition excellent in heat and acid resistance and excellent also in maintainability.
The grease composition comprises a base oil and a thickener. The thickener comprises a calcium sulfonate complex and a urea compound. The weight ratio of the calcium sulfonate to the urea compound is in the range of 70:30 to 90:10.
Inventors:
YOKOYAMA FUMIHIKO
Application Number:
JP2008128557A
Publication Date:
November 26, 2009
Filing Date:
May 15, 2008
Export Citation:
Assignee:
IHI CORP
International Classes:
C10M169/02; C10M101/02; C10M115/08; C10M115/10; C10M159/24; C10N10/04; C10N30/00; C10N30/08; C10N40/00; C10N50/10
Domestic Patent References:
| JP2003301190A | 2003-10-21 | |||
| JP2004091711A | 2004-03-25 |
Attorney, Agent or Firm:
Masatake Shiga
Takashi Watanabe
Takashi Watanabe