Patent ID: 9498418
Filing Date: 2016-11-22
CPC Classification: A61K,A61Q

Claim Text:
1. A dentifrice comprising particles of orally acceptable, water-insoluble film, which disintegrates upon brushing in the presence of water, the film comprising a polymer matrix, a releasable material incorporated therein, and a plasticizer, wherein the polymer matrix comprises at least 50% of poly(vinyl alcohol), and 50% or less of a water-soluble cellulose ether and is further characterized in that the film does not disintegrate in the absence of brushing and wherein the film does not dissolve when placed in water sufficient to cover the film, at room temperature, for a period of at least 24 hours, and upon application to the oral cavity and brushing, the film disintegrates and releases the releasable material following at least 30 seconds and not more than about 180 seconds.