Hydraulic fluid antioxidant system

Details Hydraulic fluid antioxidant system Hydraulic fluid antioxidant system

1974-02-11

1976-03-02

Pitlick, Harris A.

Compositions

Heat-exchange, low-freezing or pour point, or high boiling...

Organic components

252 498, 252 499, 252 77, 252 79HF, 252403, C09K 300, C10M 340

Patent

active

039417085

ABSTRACT:
A hydraulic fluid comprising (1) a base stock material, and (2) a cycloalkyl epoxide and a phenyl naphthylamine in a ratio of from about 1:10 to about 10:1 by weight. By incorporating about 0.1 to about 10 percent by weight of the hydraulic fluid of said epoxide and amine in said hydraulic fluid, acid buildup therein is controlled.

REFERENCES:
patent: 2862886 (1958-12-01), Davies et al.
patent: 2930758 (1960-03-01), Tierney et al.
patent: 2982734 (1961-05-01), Sprague et al.
patent: 3019191 (1962-01-01), Furby et al.
patent: 3048545 (1962-08-01), Critchley et al.
patent: 3487020 (1969-12-01), Peeler
patent: 3574117 (1971-04-01), Hotten
patent: 3637507 (1972-01-01), Gentit
patent: 3723320 (1973-03-01), Herber et al.
patent: 3778376 (1973-12-01), Herber

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