Combination of phosphate based additives and sulfonate salts for

Details Combination of phosphate based additives and sulfonate salts for Combination of phosphate based additives and sulfonate salts for

1997-06-02

2000-04-04

Johnson, Jerry D.

Solid anti-friction devices, materials therefor, lubricant or se

Lubricants or separants for moving solid surfaces and...

Heterocyclic ring compound; a heterocyclic ring is one...

508408, 508438, 252 785, C10M14110

Patent

active

060461446

ABSTRACT:
Disclosed are synergistic antioxidant compositions composed of (1) amine salts of alkyl phosphates and (2) ethylenediamine, ammonium or metal salts of alkylarylsulfonates.
The antioxidant compositions are useful for formulating zinc-free antiwear hydraulic fluids and gear lubricating oils in conjunction with thiophosphate type antiwear agents, corrosion and rust inhibitors.

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English translation of claims of JPKokai No. 182,787/1990; Jul. 17, 1990.

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