Patent ID: 6730639
Filing Date: 2004-05-04
Classification: C10M,C10N

Abstract:
In a grease composition for lubricating a bearing of information devices, the improvement comprises said grease composition comprising:a carbonate compound of the following general formula (i) serving as a base oil â€ƒwherein R and Râ€² may be the same or different and independently represent a branched alkyl group having from 13 to 15 carbon atoms; a lithium soap serving as a thickener; and at least one organomolybdenum compound selected from the group consisting of a molybdenum dithiophosphate of the general formula (ii) â€ƒwherein R1, R2, R3 and R4 independently represent an alkyl group having from 1 to 24 carbon atoms or an aryl group having from 6 to 30 carbon atoms, and a molybdenum dithiocarbamate of the general formula (iii) â€ƒwherein R5, R6, R7 and R8 independently represent an alkyl group having from 1 to 24 carbon atoms, and X represents O or S.