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Soluble unit dose articles comprising a cationic polymer

  • US 8,889,610 B2
  • Filed: 06/14/2011
  • Issued: 11/18/2014
  • Est. Priority Date: 06/24/2010
  • Status: Active Grant
First Claim
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1. A unit dose article containing a non-aqueous liquid composition comprising:

  • a) from about 0.1% to about 15% by weight of a cationic polymer, wherein the cationic polymer is cationic hydroxyethylcellulose and is present in a particulate form;

    b) from about 0.2% to about 40% by weight of a fatty acid or its salt;

    c) from 0.01% to 10% by weight of an external structuring system selected from the group consisting of non-polymeric crystalline hydroxy-functional structurants, polymeric structurants, and mixtures thereof;

    d) from 10% to 70% by weight of an anionic and/or nonionic surfactant; and

    e) a non-aqueous solvent;

    wherein the non-aqueous liquid composition comprises less than about 15% by weight of water and is enclosed in a water-soluble or dispersible film.

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