Compositions – Electrolytes for electrical devices
Patent
1990-10-31
1992-12-01
Hearn, Brian E.
Compositions
Electrolytes for electrical devices
252 325, 252 466, C10M13536
Patent
active
051678446
ABSTRACT:
Formulation containing A) a lubricant and a mixture of B) for example, at least one of the compounds O,O-bis-2-ethylhexylsodium dithiophosphate, O,O-bis-2-ethylhexylsodium thionophosphate, O,O-bis-2-methylpropylsodium dithiophosphate, O,O-bis-nonylphenylsodium dithiophosphate or S-[O,O-bis-2-ethylhexylthiophosphoryl]-potassium thioglycolate, C) at least one compound from the series of the aromatic amines, for example the diphenylamines or phenothiazines, and D) at least one compound from the series of the cyclic sterically hindered amines, the acyclic sterically hindered amines and the phenols of the formula ##STR1## wherein R.sup.4, R.sup.5 and A are, for example, alkyl radicals. Such lubricant formulations have a high degree of stability towards oxidative degradation.
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Auto, Motor, Sport 13/89.
Schumacher Rolf
Zinke Horst
Ciba-Geigy Corporation
Hall Luther A. R.
Hearn Brian E.
Nuzzolillo Maria
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