Patent ID: 6355604
Filing Date: 2002-03-12
Classification: C10M,C10N

Abstract:
Multifunctional aqueous lubricant comprising at least one water-soluble salt of dithiodiglycolic acid and at least one water-soluble compound selected from the group consisting of:a) phosphoric esters of formula: â€ƒin which R represents an alkyl, alkenyl or alkylaryl radical having from 6 to 20 carbon atoms, k is equal to 2 or 3, m is a number ranging from 0 to 20 and x is equal to 1 or 2, and their salts, and b) water-soluble salts of alkylthio acids of formula: Râ€²â€”Sâ€”(CH2)nâ€”COOHâ€ƒâ€ƒ(II) â€ƒin which n is a number ranging from 1 to 10 and Râ€² represents an alkyl, alkenyl or aryl radical having from 6 to 20 carbon atoms, â€ƒthe ratio by mass of dithiodiglycolic acid to compound(s) I and/or II being between 1/1 and 50/1.