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Stable solid block detergent composition

  • US 20050119149A1
  • Filed: 12/10/2004
  • Published: 06/02/2005
  • Est. Priority Date: 01/13/1997
  • Status: Active Grant
First Claim
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1. A method of manufacturing a solid block detergent composition, which method comprises:

  • (i) combining;

    (a) about 20 to 80 wt % of an alkali metal carbonate;

    (b) an effective amount of an organic phosphonate hardness sequestering agent; and

    (c) about 0.01 to less than 1.3 mole of water per mole of carbonate to form a blended mass; and

    (ii) forming the blended mass into a solid comprising non-hydrated alkali metal carbonate and a binding agent comprising a hydrated alkali metal carbonate and organic phosphonate for solidification;

    wherein the solid block is substantially free of a second source of alkalinity.

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