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Liquid Cleaner with Color-Stable Abrasive Particles

May 2, 2014

US Patent No. 8,680,036 B2; The Procter & Gamble Company has patented a liquid cleaning and/or cleansing composition that is comprised of particles as abrasive cleaning particles and water. The abrasive cleaning particles have been reduced from a foam via grinding or milling and the foam has a density from about 5 kg/m3 to about 150 kg/m3 and a cell size from about 40 micrometers to about 700 micrometers. The particles have a mean circularity of from about 0.1 to about 0.4, a mean solidity of from approximately 0.4 to 0.75 and a mean roughness from approximately 0.1 to 0.3.

The abrasive cleaning particles are colored polyurethane and they are color stable.
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