Easily wettable polycarboxylic thickeners
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United States of America Patent
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Jul 14, 2009
Grant Date -
Mar 29, 2007
app pub date -
Sep 26, 2006
filing date -
Sep 27, 2005
priority date (Note) -
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Abstract
Mixtures of acrylic acid homopolymers, acrylic acid copolymers with other olefinically unsaturated carboxylic acids and/or other vinyl monomers, with electrolytes and surfactants, obtained in the form of powders easily wettable in water and with low viscosity of the aqueous dispersions before neutralisation of the free carboxyl groups.
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