Patent ID: 9161890
Filing Date: 2015-10-20
Classification: A61K,A61Q

Abstract:
1. An oral care composition having enhanced flavor release comprising: an orally acceptable carrier comprising a first flavor; and a multilayer substantially lamellar film for extended or delayed flavor release, the multilayer substantially lamellar film including a center layer containing a second flavor, the center layer positioned between two outer surface layers, each outer surface layer including a release modulating agent; wherein the multilayer substantially lamellar film is adapted to adhere to an oral cavity surface; and wherein the oral care composition is a dentifrice, mouthwash or oral rinse; wherein said second flavor is released from said multilayer film at a rate effective to deliver said second flavor to the oral cavity after said multilayer film adheres to an oral cavity surface; wherein said outer surface layers and said center layer comprise a film forming polymer wherein the film forming polymer is selected from hydroxypropylmethyl cellulose, methyl cellulose, hydroxypropyl cellulose and a combination of two or more thereof; wherein the release modulating agent is selected from polyvinyl acetate; hydroxypropylmethyl cellulose; and hydroxyethyl cellulose and is present in an amount from about 5% to about 30% by weight of the multilayer film the film forming polymer is present in an amount from about 25% to about 75% by weight of the multilayer film; and the second flavor comprises from about 5% to about 25%, by weight, of the center layer; and wherein the outer surface layers further comprise a mucoadhesive polymer.