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Detergents or cleaning agents comprising a water-soluble building block system and a cellulose derivative with dirt dissolving properties

  • US 7,316,995 B2
  • Filed: 08/10/2005
  • Issued: 01/08/2008
  • Est. Priority Date: 02/10/2003
  • Status: Expired due to Fees
First Claim
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1. A builder-containing laundry detergent or cleaning composition comprising:

  • (1) a water-soluble builder comprising;

    a) from 5% by weight to 35% by weight of either citric acid or an alkali metal citrate in combination with a carbonate mixture comprising an alkali metal carbonate and an alkali metal hydrogen carbonate;

    b) from 1% to 5% by weight of alkali metal silicate having a modulus in the range from 1.8 to 2.5;

    c) from 0.05% to 1% by weight of phosphonic acid and/or alkali metal phosphonate;

    d) from 15% to 35% by weight of alkali metal phosphate;

    e) from 1.5% to 5% by weight of polymeric polycarboxylate; and

    (2) a soil release-capable cellulose derivative composition comprising a C1 to C3 alkyl cellulose derivative and a C2 to C10 hydroxyalkyl cellulose derivative.

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