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Multiuse, solid cleaning device and composition

  • US 7,517,848 B2
  • Filed: 09/27/2006
  • Issued: 04/14/2009
  • Est. Priority Date: 02/10/2004
  • Status: Expired due to Fees
First Claim
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1. A method of providing cleaning agent to a cleaning machine comprising:

  • obtaining a multiuse cleaning device in a solid state comprising a homogeneous quantity of cleaning agent in solid form comprising a gas-releasing component selected from the group consisting of perborates, percarbonates, and mixtures thereof, a potassium silicate solubility control component to limit the solubility of the cleaning agent, wherein the solubility control component is present in an amount sufficient to cause the cleaning agent in solid form to dissolve in water and release a substantially consistent quantity of cleaning agent over a plurality of cleaning wash and rinse cycles; and

    depositing the cleaning device within a wash chamber of the cleaning machine under conditions such that the cleaning agent in solid form in the cleaning device is exposed to water from the plurality of cleaning wash and rinse cycles.

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