Compositions – Electrolytes for electrical devices
Patent
1991-10-24
1993-08-03
Howard, Jacqueline V.
Compositions
Electrolytes for electrical devices
252 50, 252 515A, 252 25, 252 334, C10M13304
Patent
active
052326144
ABSTRACT:
Substituted para-phenylene diamines have been found to be effective antioxidants capable of protecting crankcase lubricating oils from thickening and sludge formation after prolonged exposure to oxygen at elevated temperature.
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Colclough Terence
Ritchie Andrew J. D.
Exxon Chemical Patents Inc.
Howard Jacqueline V.
Kapustij M. B.
Skula E. R.
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