Patent ID: 6989107
Filing Date: 2006-01-24
Classification: C10M,C10N

Abstract:
1. A method for the mechanical working of metals and alloys which comprises conducting the mechanical working in the presence of an aqueous cooling lubricant having a pH of 6-10 and containing a phosphate ester of the formula where R 1 is an alkyl group with 1-12 carbon atoms, oxyalkylene is a group containing 2-4 carbon atoms, n is a number from 1-20, X is hydroxyl, R 1 O or R 1 (oxyalkylene) n O, where R 1 , oxyalkylene and n have the meanings mentioned above, and m is a number from 4-40, or a salt thereof, and an alkenyl substituted succinic acid of the formula where R 2 is an alkenyl group with 4-10 carbon atoms, or a salt thereof, or a mixture of any of the compounds I, II and III.