Lubricants and fuels containing boroxarophenanthrene compounds

Details Lubricants and fuels containing boroxarophenanthrene compounds Lubricants and fuels containing boroxarophenanthrene compounds

1981-03-24

1982-10-12

Sneed, Helen M. S.

Compositions

Electrolytes for electrical devices

44 76, 260462C, C07F 504, C10M 110

Patent

active

043538070

ABSTRACT:
The present invention relates to 9-hydroxy-9,10-boroxarophenanthrene compositions which are particularly suitable additives to improve the stability of lubricating oils and fuel compositions. More particularly, esters of 9-hydroxy-9,10-boroxarophenanthrene which are formed from hindered phenols have been found to have improved and sustained oil solubility and comprise hydrolytically stable antioxidants which, in minor amounts, have been found to impart to oils of lubricating viscosity a high level of protection against oxidative degradation.

REFERENCES:
patent: 3287270 (1966-11-01), McCabe
patent: 3437596 (1969-04-01), McCabe
patent: 4210599 (1980-07-01), Bridger

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