Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Organic phosphorus compound – wherein the phosphorus is...
Patent
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.
Hirata Shigeaki
Miyagawa Toru
Okada Mitsuo
Nippon Oil Co. Ltd.
Toomer Cephia D.
Willis Jr. Prince
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