Lubricant composition

Details Lubricant composition Lubricant composition

1978-09-15

1983-03-15

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 466, 252 56S, C10M 126

Patent

active

043767117

ABSTRACT:
An additive combination comprising a hydroxysubstituted ester of a polycarboxylic acid and a metal dihydrocarbyl dithiophosphate and lubricating compositions comprising the same. The lubricating compositions comprising these additives exhibit improved anti-friction and anti-wear properties. Best results are achieved when the ester is obtained from a dimer acid and particularly a dimer of a fatty acid containing conjugated unsaturation. The metal used in the metal dialkyl dithiophosphate must be one having a relatively soft metal oxide and particularly a metal oxide having a Mohs hardness of about 3 or less.

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