Hydraulic working oil composition for buffers

Details Hydraulic working oil composition for buffers Hydraulic working oil composition for buffers

1995-07-06

1996-10-01

Willis, Jr., Prince

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

Lubricants or separants for moving solid surfaces and...

Organic phosphorus compound, wherein the phosphorus is...

508433, 508562, C10M13300, C10M13700

Patent

active

055611044

ABSTRACT:
A hydraulic working oil composition for buffers which comprises a lubricating oil as a base oil, (A) a phosphoric acid ester such as dioleyl acid phosphate and/or a phosphorous acid ester such as dioleyl hydrogen phophite, and (B) an adduct of an aliphatic amine such as oleyl amine with an alkylene oxide such as ethylene oxide, the compounds (A) and (B) being the essential components added to said base oil; and, in one embodiment, a process for lubricating buffers which comprises adding said compounds (A) and (B) to said base oil to prepare a hydraulic working oil composition and using the thus prepared oil composition in buffers.

REFERENCES:
patent: 4634543 (1987-01-01), Okada et al.
patent: 5078893 (1992-01-01), Ryer et al.

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