Compositions – Electrolytes for electrical devices
Patent
1977-09-30
1979-06-05
Gantz, Delbert E.
Compositions
Electrolytes for electrical devices
252 475, 252 515R, 2605705P, C10M 154
Patent
active
041573099
ABSTRACT:
New Mannich bases and the alkaline earth metal salts thereof are prepared by condensing formaldehyde and a polyamine with a sulfur-containing phenolic mixture consisting of (1) from 5 to 35 mol percent of a sulfurized alkylphenol of the formula ##STR1## wherein R is C.sub.8 -C.sub.36 alkyl, n is an integer from 1 to 8, and y is an integer from 1 to 9, and (2) from 95 to 65 mol percent of phenol alkylated with a propylene tetramer. They are useful as highly alkaline additives for lubricating oils, particularly for use in marine cylinder, railroad, and automotive diesel lubricating oils.
REFERENCES:
patent: 3368972 (1968-02-01), Otto
patent: 3586629 (1971-06-01), Otto et al.
patent: 3736357 (1973-05-01), Piasek et al.
patent: 3741896 (1973-06-01), Abbott et al.
patent: 3809648 (1974-05-01), Hotten
King John M.
Wilgus Donovan R.
Chevron Research Company
Gantz Delbert E.
Metz Andrew
Newell D. A.
Vaughan L. L.
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