Method and composition for dispersing hydrophobic particles in aqueous suspensions
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United States of America Patent
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Feb 25, 2003
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N/A
app pub date -
May 8, 2000
filing date -
May 8, 2000
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Expired
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Abstract
A method of dispersing hydrophobic particles in aqueous suspensions comprising adding to the suspension an effective amount of an ethylene oxide-propylene oxide block copolymer, wherein the copolymer has a molecular weight of from about 1,000 to about 50,000 and a HLB of from about 1 to about 4 and compositions comprising the ethylene oxide-propylene oxide block copolymer.
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