Water compatible hydraulic fluids

Details Water compatible hydraulic fluids Water compatible hydraulic fluids

2011-04-26

2011-04-26

McAvoy, Ellen M (Department: 1797)

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

Lubricants or separants for moving solid surfaces and...

Organic oxygen compound

C166S902000, C516S023000, C516S030000

Reexamination Certificate

active

07932220

ABSTRACT:
A composition for use in an oil chamber of a tool includes a hydraulic oil; and a surfactant, wherein the surfactant is present at an amount sufficient to form micelles in the hydraulic oil. The composition may further include an amphiphilic copolymer. A method includes providing a hydraulic fluid composition comprising a hydraulic oil and a surfactant capable of forming micelles in the hydraulic oil; and filling a hydraulic chamber in the tool with the hydraulic fluid composition. The hydraulic fluid composition may further include an amphiphilic copolymer.

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