Patent ID: 7332461

Claim:
A method of forming or cutting metal comprising: lubricating the metal with a lubricant composition which comprises: a) at least one compound of the formula (I): R 1 —(AO) n —OOC—(CH 2 ) m —Ph—(R 2 ) p (I) where R 1 is a C 1 to C 15 alkyl group AO is an alkyleneoxy group which may vary along the (poly)alkyleneoxy chain; n is 0; m is 0, 1 or 2; Ph is a phenylene group, which may be substituted with groups (R 2 ) p ; where each R 2 is independently an alkyl, haloalky or alkoxy group; and p is 0 or from 1 to 3; and b) at least one lubricant additive selected from the group consisting of an organic ester additive, a polyalkylene glycol additive, a sulphur-containing synthetic additive, a sulphur-containing oleochemical additive, a sulphonate, a phosphorus-containing additive and a chlorinated paraffin additive, wherein the ratio of component (a) to component (b) ranges from 98:2 to 50:50; and forming or cutting the metal.