Lubricating oil compositions

Details Lubricating oil compositions Lubricating oil compositions

1983-07-26

1985-07-23

Lander, Ferris H.

Compositions

Electrolytes for electrical devices

C10M 154

Patent

active

045307717

ABSTRACT:
A lubricating oil composition containing esters constituted with glycerol, fatty acid and boric acid, which esters having carboxylic acid residue, glycerol residue and boric acid residue at a specific proportion.
The proportion for the carboxylic acid residue and glycerol residue ranges 0-2.0 mols and 1.5-2.0 mols respectively per unit mol of a boric acid residue, and the glycerol residue is 1.2 mols or more based on 1 mol of the carboxylic acid residue.
Lubricating oil additives according to the invention have almost no corrosion property in bearing portions, and do not form any solid film on themselves when allowed to stand in the air.

REFERENCES:
patent: 2795548 (1957-06-01), Thomas et al.
patent: 3117089 (1964-01-01), DeYoung et al.
patent: 3533945 (1970-10-01), Vogel
patent: 3544614 (1970-12-01), Swartz
patent: 4034038 (1977-07-01), Vogel
patent: 4370248 (1983-01-01), Horodysky et al.

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