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US 5,849,212 AGranted
Electroviscous fluid containing .beta.-alumina
AssigneeMitsubishi Chemical Corporation
InventorsKoji Shima, Eiji Hattori, Yasuo Oguri
Life of this patent
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Abstract
An electroviscous fluid comprising an electrically insulated liquid and solid ectrolyte particles dispersed therein.
Claims4
An electroviscous fluid, consisting essentially of an electrically insulating liquid and 5-50% by volume of solid electrolyte particles consisting of .beta.-alumina dispersed therein, wherein said solid electrolyte particles show electric conductivity of 10.sup.-1 to 10.sup.-8 S/cm at the temperature of said electroviscous fluid use, and wherein said electric conductivity is not dependent upon the presence of water in said solid electrolyte particles.
Dependencies are inferred from the claim text.