Patent ID: 9404059
Filing Date: 2016-08-02
CPC Classification: C10M,C10N

Claim Text:
1. A lubricant composition for a machining tool, containing: lubricant base oil; and, based on a total amount of the composition, 0.05 to 5% by mass of a phosphoric acid ester represented by the following general formula (1): wherein R 1 represents any of an aryl group having 6 to 15 carbon atoms and a saturated hydrocarbon group having 1 to 20 carbon atoms, and each R 1 may be the same or different; 0.01 to 2% by mass of an acidic phosphoric acid ester represented by the following general formula (2): wherein R 2 represents an alkyl group having 4 to 20 carbon atoms, n represents 1 or 2, and each R 2 may be the same or different; and 0.5% by mass to 5% by mass of a sulfur compound.