Oral care composition with cross-linked polymer peroxide

Abstract

Oral care compositions comprising: (a) a peroxide complex comprising a peroxide component and an N-vinyl heterocyclic polymer (e.g., poly-N-vinyl polylactam, or poly-N-vinyl-polyimide); (b) a whitening agent (e.g., hydrogen peroxide); and (c) an orally acceptable carrier. In one embodiment, the carrier comprises a film forming material. Methods are also provided for making an oral care composition comprising: (a) mixing a whitening agent, silicone adhesive and carrier fluid to form a homogenous mixture; (b) adding a peroxide complex to said homogenous mixture, wherein said complex comprises hydrogen peroxide and an N-vinyl heterocyclic polymer; and (c) mixing under vacuum.

1 . An oral care composition, comprising: 
 (a) a peroxide complex comprising hydrogen peroxide and an N-vinyl heterocyclic polymer;    (b) a whitening agent; and    (c) an orally acceptable carrier.    
     
     
         2 . An oral care composition according to  claim 1 , wherein said N-vinyl heterocyclic polymer comprises a polymer selected from the group consisting of poly-N-vinyl polylactams, poly-N-vinyl polyimides, and mixtures thereof.  
     
     
         3 . An oral care composition according to  claim 2 , wherein said polymer is selected from the group consisting of poly-N-vinyl poly-2-pyrrolidone, poly-N-vinypoly-2-piperidone, poly-N-vinyl-poly-2-caprolactam, and mixtures thereof.  
     
     
         4 . An oral care composition according to  claim 3 , wherein said polymer comprises poly-N-vinyl poly-2-pyrrolidone.  
     
     
         5 . An oral care composition according to  claim 2 , wherein said peroxide complex comprises said hydrogen peroxide and said polymer in about a 1:1 molar ratio.  
     
     
         6 . An oral care composition according to  claim 1 , comprising from about 0.5% to about 40% of said peroxide complex.  
     
     
         7 . An oral care composition according to  claim 6 , comprising from about 20% to about 30% of said peroxide complex.  
     
     
         8 . An oral care composition according to  claim 6 , wherein the hydrogen peroxide of said peroxide complex is present at a level of from about 1% to about 6% of said composition.  
     
     
         9 . An oral care composition according to  claim 1 , wherein said whitening agent comprises a peroxide compound selected from the group consisting of hydrogen peroxide, organic peroxy compounds, peroxy acids, and mixtures thereof.  
     
     
         10 . An oral care composition according to  claim 9 , wherein said peroxide compound comprises hydrogen peroxide.  
     
     
         11 . An oral care composition according to  claim 1 , comprising from about 0.1% to about 50% of said whitening agent.  
     
     
         12 . An oral care composition according to  claim 11 , comprising from about 2% to about 15% of said whitening agent.  
     
     
         13 . An oral care composition according to  claim 1 , wherein said carrier comprises a material selected from the group consisting of adhesion agents, surfactants, peroxide activators, solvents, flavorants, sweeteners, colorants, and mixtures thereof.  
     
     
         14 . An oral care composition according to  claim 13 , wherein said carrier comprises an adhesion agent selected from the group consisting of silicone polymers, waxes, mineral oil, petrolatum, hydrophilic polymers, silicas, and mixtures thereof.  
     
     
         15 . An oral care composition according to  claim 11 , wherein said carrier comprises a hydrophilic polymer selected from the group consisting of polyethyelene glycols, nonionic polymers of ethylene oxide, block copolymers of ethylene oxide and propylene oxide, carboxymethylene polymers, polyvinyl pyrrolidone, and mixtures thereof.  
     
     
         16 . An oral care composition according to  claim 1 , wherein said carrier comprises a silicone polymer selected from the group consisting of silicone adhesives, silicone elastomers, silicone fluids, silicone resins, silicone gums and mixtures thereof.  
     
     
         17 . An oral care composition comprising: 
 (a) a peroxide complex comprising hydrogen peroxide and an N-vinyl heterocyclic polymer;    (b) whitening agent; and    (c) a non-aqueous carrier comprising a silicone adhesive.    
     
     
         18 . An oral care composition according to  claim 17 , wherein said polymer comprises poly-N-vinyl poly-2-pyrrolidone.  
     
     
         19 . An oral care composition according to  claim 18 , wherein said peroxide complex comprises said hydrogen peroxide and said polymer in about a 1:1 molar ratio.  
     
     
         20 . An oral care composition according to  claim 17 , wherein said carrier comprises a material selected from the group consisting of adhesion agents, surfactants, peroxide activators, solvents, flavorants, sweeteners, colorants, and mixtures thereof.  
     
     
         21 . An oral care composition according to  claim 20 , wherein said carrier comprises an adhesion agent selected from the group consisting of silicone polymers, waxes, mineral oil, petrolatum, hydrophilic polymers, silicas, and mixtures thereof.  
     
     
         22 . An oral care composition according to  claim 17 , wherein said carrier comprises a hydrophilic polymer selected from the group consisting of polyethyelene glycols, nonionic polymers of ethylene oxide, block copolymers of ethylene oxide and propylene oxide, carboxymethylene polymers, polyvinyl pyrrolidone, and mixtures thereof.  
     
     
         23 . An oral care composition according to  claim 17 , wherein said carrier comprises a silicone polymer selected from the group consisting of silicone adhesives, silicone elastomers, silicone fluids, silicone resins, silicone gums and mixtures thereof.  
     
     
         24 . An oral care composition according to  claim 23 , comprising from about 0.5% to about 60% of said silicone adhesive.  
     
     
         25 . A process for making an oral care composition, comprising the steps of: 
 (a) mixing a whitening agent, silicone adhesive and carrier fluid to form a homogenous mixture;    (b) adding a peroxide complex to said homogenous mixture, wherein said composite comprises hydrogen peroxide and an N-vinyl heterocyclic polymer; and    (c) mixing under vacuum.    
     
     
         26 . The process according to  claim 25 , wherein said polymer comprises poly-N-vinyl poly-2-pyrrolidone.  
     
     
         27 . The process according to  claim 26 , wherein said peroxide complex comprises said hydrogen peroxide and said polymer in about a 1:1 molar ratio.  
     
     
         28 . The process according to  claim 25 , wherein said carrier fluid further comprises a material selected from the group consisting of adhesion agents, surfactants, peroxide activators, solvents, flavorants, sweeteners, colorants, and mixtures thereof.  
     
     
         29 . The process according to  claim 1 , wherein said carrier comprises a silicone polymer selected from the group consisting of silicone adhesives, silicone elastomers, silicone fluids, silicone resins, silicone gums and mixtures thereof.