Patent ID: 6562090
Filing Date: 2003-05-13
Classification: A61K,A61Q

Abstract:
A stable fluid abrasive suspension (FAS) composition consisting essentially ofa) an abrasive selected from the group consisting of calcium carbonate (CaCO3), precipitated calcium carbonate, calcium phosphate (Ca3(PO4)2), sodium meta phosphate, calcium pryo-phosphate, dicalcium phosphate, sodium bicarbonate (NaHCO3), silica, and alumina, wherein the amount of the abrasive has a lower limit of about 30 wt % based on the total weight of the composition, b) suspending vehicle selected from the group consisting of water, a polyhydric alcohol, and mixtures thereof, and the polyhydric alcohol is selected from the group consisting of sorbitol, glycerol, propylene glycol, polyethylene glycol, ribitol, xylitol, mannitol, and mixtures thereof, and c) a water-swellable or water-soluble polymer for stabilizing the FAS is a polysaccharide selected from the group consisting of carrageenan, carboxymethylcellulose (CMC), hydroxyethylcellulose (HEC), hydroxypropylcellulose (HPC), methylcellulose (MC), hydrorxypropylmethylcellulose (HPMC), ethylhydroxyethylcellulose (EHEC), carboxymethylhydroxyethylcellulose (CMHEC), xanthan gum, pectin, and mixtures thereof.