Patent ID: 7517366
Filing Date: 2009-04-14
Classification: B01F,C11D

Abstract:
1. A method of providing laundry cleaning agent to a laundry cleaning machine comprising: obtaining a multiuse laundry 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 multiuse laundry cleaning device to dissolve in water and release a substantially consistent quantity of cleaning agent over a plurality of laundry wash and rinse cycles; and depositing the laundry cleaning device within the laundry cleaning machine tub under conditions such that the cleaning agent in solid form in the laundry cleaning device is exposed to water from the plurality of laundry wash and rinse cycles.