Fabric softening composition comprising a polymeric viscosity modifier
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United States of America Patent
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May 1, 2012
Grant Date -
Nov 26, 2009
app pub date -
May 23, 2006
filing date -
Jun 14, 2005
priority date (Note) -
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Abstract
A liquid fabric treatment composition comprising a cationic fabric softening agent and a water-soluble linear polymeric viscosity modifier represented by the formula: Z—Y—(X—Y)n—Z in which: X represents a polyether chain, each Y independently represents a linking group derived from a diisocyanate, each Z independently represents a hydrophobic group and optionally includes a spacer linked to Y, n represents an integer of at least 2, and the molecular weight of the polymer is from 2,000 to 80,000.
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