Compositions – Electrolytes for electrical devices
Patent
1977-09-30
1979-06-05
Gantz, Delbert E.
Compositions
Electrolytes for electrical devices
252 515R, 2605705P, C10M 154
Patent
active
041573080
ABSTRACT:
New Mannich bases and the alkaline earth metal salts thereof are prepared by condensing formaldehyde and a polyamine with a phenolic mixture consisting of (1) from 95 to 30% phenol alkylated with a propylene tetramer and (2) from 5 to 70% phenol alkylated with a straight-chain alpha-olefin of from 16 to about 28 carbon atoms or alpha-olefin mixtures wherein the alpha-olefins are of from 16 to about 28 carbon atoms. They are useful as additives for lubricating oils, particularly for use in marine cylinder lubricating oils.
REFERENCES:
patent: 2353491 (1944-07-01), Oberright
patent: 3368972 (1968-02-01), Otto
patent: 3736357 (1973-05-01), Piasek 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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