Lubricating oil composition

Details Lubricating oil composition Lubricating oil composition

1975-12-08

1978-05-16

Wyman, Daniel E.

Compositions

Electrolytes for electrical devices

252 334, 252 515R, C10M 126, C10M 148

Patent

active

040897915

ABSTRACT:
Lubricating oil composition comprising a major portion of a mineral lubricating oil and minor amounts of an overbased alkaline earth metal compound, of a trialkanolamine represented by the formula: ##STR1## in which R is a hydrocarbyl radical having from 1 to 24 carbon atoms, R', Y and Z represent hydrogen or a hydrocarbyl radical having from 1 to 10 carbon atoms, and x is 0 to 1, and of a zinc dihydrocarbyl dithiophosphate in which at least 50 percent of the hydrocarbyl radicals are alkaryl radicals.

REFERENCES:
patent: 2839469 (1958-06-01), Pfeifer et al.
patent: 3290347 (1966-12-01), Miller
patent: 3347799 (1967-10-01), Meinhardt
patent: 3562159 (1971-02-01), Mastin
patent: 3711406 (1973-01-01), Lowe
patent: 3779920 (1973-12-01), Devries
patent: 3923669 (1975-12-01), Newingham et al.
patent: 3925213 (1975-12-01), Froeschmann et al.
patent: 3933659 (1976-01-01), Lyle et al.
patent: 3944495 (1976-03-01), Wiley et al.

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