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U.S. Department of Energy
Office of Scientific and Technical Information

Oxidation resistant lubricant composition

Patent ·
OSTI ID:5048183
The oil-soluble product prepared by the process comprising, (A) dissolving in an organic solvent in molar ratios from about 0.1 to about 1.0 mole of thio-oxamide, from about 0.2 to about 2.0 moles of a saturated aliphatic aldehyde having from 1 to about 20 carbon atoms, and from about 0.2 mole to about 0 moles of an olefin hydrocarbon having at least 8 carbon atoms, (B) agitating the solution while cooling the same to a temperature of about 34/sup 0/ to 38/sup 0/F., (C) adding to said colled solution from about 10 parts to about 20 parts by weight boron trifluoride etherate per 100 parts by weight of the solution of step (C). A lubricant composition comprising a major amount of a normally liquid lubricating oil, and from about 0.1% to about 10% of the oil-soluble reaction product prepared by the process of claim 1. An addition agent concentrate for lubricating oils, comprising a lubricating oil containing from about 10% to about 75% of the oil-soluble reaction product.
Assignee:
Standard Oil Co (Indiana)
Patent Number(s):
US 4210545
OSTI ID:
5048183
Country of Publication:
United States
Language:
English