Silica scale inhibition
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United States of America Patent
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Issued Date -
Jan 17, 2008
app pub date -
Jul 17, 2006
filing date -
Jul 17, 2006
priority date (Note) -
Abandoned
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Abstract
A method of inhibiting silica/silicate scale in aqueous systems is disclosed which comprises the addition to an aqueous system of a scale inhibiting amount of an ester of (A) a carboxylic acid functional polymer obtained by polymerizing an ethylenically unsaturated carboxylic monomer or copolymerizing the ethylenically unsaturated carboxylic monomer with one or more additional ethylenically unsaturated monomers and (B) a hydroxyl functional polyether obtained by reacting an alkyl alcohol with an alkylene oxide.
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