Pentaerythritol-fatty acid ester lubricant composition

Details Pentaerythritol-fatty acid ester lubricant composition Pentaerythritol-fatty acid ester lubricant composition

1978-08-03

1980-08-05

Metz, Andrew

Compositions

Electrolytes for electrical devices

252 56S, C10M 148

Patent

active

042161002

ABSTRACT:
Lubricating oil composition comprising a major portion of an aliphatic ester base oil having lubricating properties formed from the reaction of pentaerythritol and an organic monocarboxylic acid containing (a) from about 0.005 to 0.20 percent of a 2,5-bis(alkylthio)-1,3,4-thiadiazole; (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; (d) from about 0.25 to 10 percent of a hydrocarbyl phosphate ester, and (e) from about 0.04 to 2 weight percent of a polyhydroxy-substituted anthraquinone.

REFERENCES:
patent: 2764547 (1956-09-01), Fields
patent: 3775321 (1973-11-01), Turnquest et al.
patent: 3779919 (1973-12-01), Patmore et al.
patent: 3779921 (1973-12-01), Patmore et al.
patent: 3833513 (1974-09-01), Fath
patent: 3929652 (1975-12-01), Seni et al.

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