Liquid Thickeners for Aqueous Systems
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United States of America Patent
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Issued Date -
Aug 20, 2009
app pub date -
Oct 23, 2006
filing date -
Oct 27, 2005
priority date (Note) -
Abandoned
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Abstract
Liquid thickener for aqueous systems containing, as viscosity suppressing agent, from 5 to 40% wt of ethoxylated mono- and/or di-glycerides of carboxylic acids having from 6 to 18 carbon atoms, from 15 to 40% wt of a polyurethane associative thickener, obtained from the reaction of at least one organic polyisocyanate, at least one water soluble polyether diol and at least one hydrophobic capping agent containing from 10 to 24 carbon atoms, from 20 to 80% wt of water, and which is devoid of organic solvents, volatile organic compounds and other viscosity suppressing agents.
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