Method for preparing a non-aqueous dispersion of particles of a metal and/or a metal compound
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United States of America Patent
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Apr 18, 2000
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N/A
app pub date -
Dec 28, 1992
filing date -
Dec 28, 1991
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Expired
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Abstract
Disclosed is a method for preparing a non-aqueous dispersion of particles of a metal and/or a metal compound, which comprises contacting an aqueous dispersion of particles of a metal and/or a metal compound with a water-immiscible, non-aqueous liquid in the presence of a surfactant and in the presence or absence of a water-soluble inorganic acid salt and/or a water-soluble organic acid salt exhibiting substantially no surface activity, wherein when the contacting of the aqueous dispersion with the non-aqueous liquid is conducted in the absence of the salt, the salt is added after the contacting, thereby causing the particles to be migrated from the aqueous dispersion into the non-aqueous liquid.
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