Synthetic aircraft turbine oil

Details Synthetic aircraft turbine oil Synthetic aircraft turbine oil

1972-12-21

1977-12-20

Gantz, Delbert E.

Compositions

Electrolytes for electrical devices

252 50, 252 515R, 252 515A, 252 56S, C10M 110

Patent

active

040640590

ABSTRACT:
Synthetic lubricating oil composition comprising a major portion of an aliphatic ester base oil having lubricating properties formed from the reaction of a pentaerythritol or trimethylolpropane and an organic monocarboxylic acid containing (a) from about 0.01 to 0.5 percent of a substituted 4-aminotriazole; (b) from about 0.3 to 5 percent of an alkyl or alkaryl phenylnaphthylamine; (c) from about 0.3 to 5 percent of a dialkyldiphenylamine; and (d) from about 0.25 to 10 percent of a hydrocarbyl phosphate ester.

REFERENCES:
patent: 3247111 (1966-04-01), Oberright et al.
patent: 3282840 (1966-11-01), Foster et al.
patent: 3360465 (1967-12-01), Warman
patent: 3368975 (1968-02-01), Davis et al.
patent: 3673226 (1972-06-01), Malec
patent: 3728260 (1973-04-01), Flowerday et al.
patent: 3759829 (1973-09-01), Sullivan
patent: 3761405 (1973-09-01), Jervis et al.
patent: 3788992 (1974-01-01), Sullivan
patent: 3790478 (1974-02-01), Rudston et al.
patent: 3790481 (1974-02-01), Byford et al.
Barnes et al., "Synthetic Ester Lubricants," Aug. 1957, J. of Amer. Soc. of Lub. Eng., pp. 454-458.

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