Patent ID: 6486102
Filing Date: 2002-11-26
Classification: C10M,C10N

Abstract:
An oil-in-water emulsion intended for a lubrication treatment of a steel surface, containing at least one lubrication additive chosen from the group comprising the products corresponding to the following formulae:(R1,2â€”Oâ€”)1,2â€”PSSâ€”(CH2)nâ€”COOâ€”(CH2)mâ€”CH3 with n and m chosen so that n+m&gE;22; (R1,2â€”Oâ€”)1,2â€”PSSâ€”CH2-&PHgr;-OH, or hydroxybenzyl O,Oâ€²-dialkyl dithiophosphates; (R1,2â€”Oâ€”)1,2â€”PSSâ€”CH2-&PHgr;-Oâ€”(CH2)nâ€²â€”COOâ€”(CH2)mâ€²â€”CH3 with nâ€² and mâ€² having any value, where PSS denotes the dithiophosphate functional group, (R1,2â€”Oâ€”)1,2â€” denotes O,Oâ€²-dialkyl terminal groups, â€”CH2-&PHgr;-OH denotes the hydroxybenzyl functional group and â€”CH2-&PHgr;-Oâ€” the benzyloxy functional group.