Lubricating compositions inhibited against oxidation by addition

Details Lubricating compositions inhibited against oxidation by addition Lubricating compositions inhibited against oxidation by addition

1974-12-18

1977-06-14

Gantz, Delbert E.

Compositions

Electrolytes for electrical devices

252 47, 252402, C10M 138

Patent

active

040295869

ABSTRACT:
A mineral or synthetic lubricating oil is protected against oxidation by dissolving therein, at a temperature not higher than 80.degree. C, a 3-aza-6a-thio-thiophthene or a 3,4-diaza-6a-thio-thiophthene represented by the general formulae: ##STR1## wherein, R, R.sub.1 and R.sub.2, the same or different, represent hydrogen, alkyl, cycloalkyl, aryl, alkylaryl, arylalkyl or aminoaryl.

REFERENCES:
patent: 2612504 (1952-09-01), Emerson et al.
patent: 2910439 (1959-10-01), Fields
patent: 3228952 (1966-01-01), Reifschneider
patent: 3282951 (1966-11-01), Spivack et al.
patent: 3316209 (1967-04-01), Spivack et al.
patent: 3869395 (1975-03-01), Waldbillig
patent: 3896050 (1975-07-01), White
patent: 3904537 (1975-09-01), Ripple

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