Method for the mechanical working of metals and lubricant concentrate

Claim 3

Method according to claim 1, in which R is an alkyl group having from 15 to 20 carbon atoms and n is a number from 1 to 2.

Claim 4

Method according to claim 1, in which the lubricant composition further contains one or more surface active compounds in an amount within the range from 0.5 to 30 parts by weight per thousand parts of composition.

Claim 5

Method according to claim 3, in which the surface active compound is a nonionic compound with the general formula RO(C.sub.2 H.sub.4 O).sub.p.sbsb.1 (C.sub.n H.sub.2n O).sub.p.sbsb.2 H in which R is selected from the group consisting of aliphatic and cycloaliphatic groups having from 8 to 22 carbon atoms and mono- and dialkylphenyl groups having from 4 to 24 carbon atoms in the alkyl groups; n is 3 or 4, p 1 is a number from 2 to 40 when R is an aliphatic or cycloaliphatic group, and from 2 to 18 when R is a mono- or dialkylphenyl group; and p 2 is a number from 0 to 5.

Claim 6

Method according to claim 3, in which the surface active compound is selected from the group consisting of anionic and cationic surface active compounds.

Claim 7

Method according to claim 5, in which the anionic surface active compound is an alkylphosphate having the general formula ##STR10## in which R is a hydrocarbon group having from six to twenty-four carbon atoms, and M is hydrogen or a monovalent cation, in an amount within the range from 0.5 to 20 parts by weight per thousand parts of composition and which has a pH value within the range from 7.5 to 10.5.

Claim 8

Method according to claim 1 in which the lubricant composition further contains a non-surface active polyalkylene glycol in an amount within the range from 0 to 20 parts by weight per thousand parts of composition.

Claim 9

Method according to claim 1 in which the lubricant composition contains at least one member selected from the group consisting of solubilizing hydroxyl compounds, pH regulating agents, biocides and anticorrosion agents.

Claim 10

A concentrate suitable after dilution with water for use as a lubricant in mechanical metal working, comprising the following components in an amount within the range specified: ______________________________________ Range ______________________________________ Ether phosphate From 2 to 50 percent by weight Nonionic surface active compound From 2 to 60 percent by weight Anionic surface active compound From 0 to 30 percent by weight Cationic surface active compound From 0 to 30 percent by weight Polyalkylene oxide From 0 to 40 percent by adduct weight Solubility agent From 0 to 40 percent by weight Biocide From 0 to 5 percent by weight Water From 10 to 70 percent by weight ______________________________________ the ether phosphate being of the general formula ##STR11## in which R is a hydrocarbon group having from six to twenty-four carbon atoms, n is 1 to 4 and M is hydrogen or a monovalent cation.

Claim 11

A concentrate suitable after dilution with water for use as a lubricant in mechanical metal working, comprising the following components in an amount within the range specified: ______________________________________ Range ______________________________________ Ether phosphate From 2 to 50 percent by weight Nonionic surface active compound From 2 to 60 percent by weight Anionic surface active compound From 0 to 30 percent by weight Cationic surface active compound From 0 to 30 percent by weight Polyalkylene oxide From 0 to 40 percent by adduct weight Solubility agent From 0 to 40 percent by weight Biocide From 0 to 5 percent by weight Water From 10 to 70 percent by weight ______________________________________ the ether phosphate being of the general formula ##STR11## in which R is a hydrocarbon group having from six to twenty-four carbon atoms, n is 1 to 4 and M is hydrogen or a monovalent cation.

Claim 12

A concentrate according to claim 9, comprising the following components in an amount within the range specified: ______________________________________ Range ______________________________________ Ether phosphate From 5 to 30 percent by weight Nonionic surface active compound From 5 to 35 percent by weight Anionic surface active compound From 2 to 15 percent by weight Cationic surface active compound From 0 to 5 percent by weight Polyalkylene oxide From 5 to 30 percent by adduct weight Solubility agent From 10 to 30 percent by weight Biocide From 0.5 to 3 percent by weight Water From 20 to 50 percent by weight ______________________________________ .