Patent ID: 9744112
Date: 2017-08-29
CPC Classifications: A61K,A61Q

Claim:
1. An oral care composition comprising a first film comprising a pigment; and optionally a second film; wherein the first film has a dissolution rate in aqueous media that is inversely proportional to its thickness, such that the first film will disintegrate and release the pigment in the presence of water at room temperature after a period of greater than 30 seconds; and wherein the first film is substantially dissolved after a period of greater than 30 seconds and less than 180 seconds of brushing, scrubbing or agitation in the presence of water; wherein the average thickness of the first film is 1.5 - 3 mil; and wherein the composition comprises, by dry weight of the first film, 20-60% of a cellulose ether selected from methyl cellulose, hydroxypropyl methyl cellulose, and a combination thereof; 10-30% propylene glycol; 1-5% polysorbate 80; and 15-55% pigment.