Lubricant composition of improved antioxidant properties

Details Lubricant composition of improved antioxidant properties Lubricant composition of improved antioxidant properties

1974-11-04

1976-11-16

Gantz, Delbert E.

Compositions

Electrolytes for electrical devices

252 499, 252400A, C10M 148

Patent

active

039923070

ABSTRACT:
A lubricating composition is disclosed having improved multifunctional properties and comprises a major amount of an oil of lubricating viscosity and minor amounts of (I) an oil-soluble anti-oxidant selected from sterically hindered phenolic and thiophenolic compounds, aromatic amines and sulfurized organic compounds and (II) a bisphosphoramide formed by reacting (1) phosphorus oxychloride with (2) a polyamine having from 2 to 7 amine nitrogens, from 2 to 20 carbons and having at least 1 primary amino group, and (3) a monoamine having from 1 to 40 carbons.

REFERENCES:
patent: 3429813 (1969-02-01), Waight et al.
patent: 3537998 (1970-11-01), Lowe
patent: 3795613 (1974-03-01), Hotten
patent: 3810838 (1974-05-01), Haugen
patent: 3859219 (1975-01-01), Hotten
patent: 3868376 (1975-02-01), Hotten
patent: 3903002 (1975-09-01), Hotten
Kalichevsky et al., "Petroleum Refining with Chemicals", 1956, pp. 590-610.

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