Toothpaste
AssigneeColgate-Palmolive Company
InventorsThomas James Delaney, William Grant Pierson
Life of this patent
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Abstract
Toothpaste containing sodium bicarbonate as the principal abrasive and a lesser amount of another compatible abrasive. Examples of these are chalk, silica, alumina, zirconium silicate or sodium aluminosilicate, or a mixture thereof, said other abrasive constituting at least about 3 percent of the toothpaste.
Claims9
A dental cream containing an abrasive content comprising at least about 20 percent sodium bicarbonate in a vehicle containing sufficient liquids, said vehicle consisting essentially of about 5 to 35 percent water and sufficient viscous water miscible polyol humectant or mixtures thereof, and a sufficient amount of gelling or thickening agent to impart to the dental cream the pasty consistency, body and non-tacky nature which is characteristic of conventional dental creams or toothpastes, and over 1 percent of a water insoluble dental abrasive material compatible with said bicarbonate in the dental cream, said sodium bicarbonate being primarily in the undissolved solid state, said dental cream having a granular textured appearance comprising a substantially dispersed non-crystalline appearing granulate of macroscopic crystalline bicarbonate granules in an otherwise continuous matrix.
Dependencies are inferred from the claim text.