Lubricant containing potassium borate

Details Lubricant containing potassium borate Lubricant containing potassium borate

1975-06-04

1976-12-14

Gantz, Delbert E.

Compositions

Electrolytes for electrical devices

252 25, 252 33, 252 327E, 252 466, 252 467, 252 515A, C10M 318, C10M 514, C10M 720, C10M 724

Patent

active

039974545

ABSTRACT:
An extreme-pressure lubricating composition is disclosed comprising an oil of lubricating viscosity having dispersed therein 1 to 60 weight percent of hydrated potassium borate microparticles having a boron-to-potassium ratio of about 2.5 to 4.5 and, optionally, from 0.01 to 5.0 weight percent of an antiwear agent selected from: (a) a zinc dihydrocarbyl dithiophosphate having from 4 to 20 carbons in each hydrocarbyl group; (b) a C.sub.1 to C.sub.20 ester, C.sub.1 to C.sub.20 amide, or C.sub.1 to C.sub.20 amine salt of a dihydrocarbyl dithiophosphoric acid having from 4 to 20 carbons in each hydrocarbyl group; or (c) mixtures thereof.

REFERENCES:
patent: 3853772 (1974-12-01), Adams

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