Dentifrices containing iridescent flakes
AssigneeColgate-Palmolive Company
InventorsDaniel Colodney, John J. Steinke, Robert Mitchell
Life of this patent
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Abstract
A dentifrice containing small proportions of mother of pearl flakes or other iridescent flakes.
Claims6
A toothpaste containing about 0.1 to 5% of non-toxic iridescent mother of pearl flakes, which flakes are about 10-50 microns thick and about 149 to 590 microns in particle size and are dispersed in a transparent toothpaste matrix.
A method for treating dental enamel to reduce stain which forms thereon comprising brushing the surface of said human dental enamel bearing stain which forms thereon with a dentifrice containing a stain reducing amount of non-toxic iridescent flakes of mother of pearl, which flakes are 10-50 microns thick and have a particle size distribution between 149-590 microns for a time sufficient to reduce said stain.
Dependencies are inferred from the claim text.