Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jian Zhou0
Diankui Fu0
Golchehreh Salamat0
Jese C. Lee0
Alexander Zazovsky0
Christopher Del Campo0
Date of Patent
April 26, 2011
Patent Application Number
11678738
Date Filed
February 26, 2007
Patent Primary Examiner
Patent 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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