Compositions – Electrolytes for electrical devices
Patent
1974-06-10
1976-02-17
Gantz, Delbert E.
Compositions
Electrolytes for electrical devices
252 33, 252 35, 252 41, 252 72, C10M 148, C10M 342, C10M 524, C10M 746
Patent
active
039390829
ABSTRACT:
An improved gel-thickened lubricant, useful as a gear oil or as an antileak hydraulic oil, comprises an effective amount of a lithium soap (e.g., 0.1 to 1 percent lithium stearate) or an aluminum soap (e.g., 0.5 to 2 percent aluminum stearate), or mixtures of such soaps, and a base oil having a viscosity in the range of 70 to about 3,000 SUS at 100.degree.F (preferably with an aniline point in the range of 150.degree. to 170.degree.F when the oil is to be in contact with Buna N, etc., rubbers), said base oil comprising at least one hydrorefined naphthenic oil or a hydrocracked paraffinic oil having a viscosity in the range of 40 to 12,000 SUS at 100.degree.F. Preferably, the base oil comprises a major amount of the hydrorefined naphthenic oil and a minor amount of a solvent refined paraffinic lube, or a hydrocracked lube with a paraffinic VGC, or a bright stock, or a mixture of two or more such oils. Preferably, the basic nitrogen content of the base oil is less than 80 ppm, more preferred less than 30 ppm (typically 0 to 10 ppm).
REFERENCES:
patent: 3694363 (1972-09-01), Griffith et al.
patent: 3816316 (1974-06-01), Griffith et al.
Griffith, III John Q.
Reiland William H.
Williams Edward S.
Church George L.
Gantz Delbert E.
Hess J. Edward
Johnson Donald R.
Sun Oil Company of Pennsylvania
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