Oral care compositions with film forming polymers

Abstract

Oral care compositions comprising: a) an oral care active; and b) an acrylic film forming polymer. In various embodiments, such polymers comprise monomeric units such as acrylic acid, methacrylic acid, acrylates, and combinations thereof. In one embodiment, the film forming polymer comprises a copolymer of a first monomeric unit selected from the group consisting of acrylic acid, methacrylic acid, and combinations thereof, with a second monomeric unit selected from the group consisting of acrylates, acrylamindes, acetates, and combinations thereof. In various embodiments, the polymer is a terpolymer comprising a combination of the second monomeric units. Preferably, the composition additionally comprises a lower alcohol, such as ethanol. In various embodiments, the oral care active comprises a whitening material, such as a peroxide.

1 . An oral care composition, comprising: 
 (a) a whitening agent; and    (b) an acrylic film forming polymer.    
     
     
         2 . An oral care composition according to  claim 1 , wherein said acrylic acid polymer comprises a copolymer of a first monomeric unit selected from the group consisting of acrylic acid, methacrylic acid, and combinations thereof, with a second monomeric unit selected from the group consisting of acrylates, acrylamides, acetates, and combinations thereof.  
     
     
         3 . An oral care composition according to  claim 2 , wherein said polymer is a terpolymer comprising a combination of said second monomeric units.  
     
     
         4 . An oral care composition according to  claim 2 , wherein said first monomeric unit comprises methacrylic acid or β-methacrylic acid.  
     
     
         5 . An oral care composition according to  claim 4 , wherein said second monomeric unit is selected from the group consisting of acrylates and combinations thereof.  
     
     
         6 . An oral care composition according to  claim 4 , wherein said second monomeric unit is selected from the group consisting of ethyl acrylate, butyl acrylate, N-tertbutyl acrylamide, and combinations thereof.  
     
     
         7 . An oral care composition according to  claim 3 , wherein said polymer additionally comprises a third monomeric unit selected from the group consisting of siloxanes, vinyl esters of C 5 -C 12  alcohols, and combinations thereof.  
     
     
         8 . An oral care composition according to  claim 3 , wherein said polymer is a terpolymer of t-butyl acrylate, ethyl acrylate, and methacrylic acid.  
     
     
         9 . An oral care composition according to  claim 1 , comprising from about 0.2% to about 60% of said polymer.  
     
     
         10 . An oral care composition according to  claim 9 , comprising from about 10% to about 30% of said polymer.  
     
     
         11 . 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.  
     
     
         12 . An oral care composition according to  claim 11 , wherein said peroxide compound comprises hydrogen peroxide.  
     
     
         13 . An oral care composition according to  claim 12 , wherein said peroxide compound comprises a complex of hydrogen peroxide and an N-vinyl heterocyclic polymer.  
     
     
         14 . An oral care composition according to  claim 1 , wherein said composition is substantially non-aqueous, and additionally comprises a lower alcohol.  
     
     
         15 . An oral care composition according to  claim 14 , additionally comprising an adhesion agent selected from the group consisting of silicone polymers, waxes, mineral oil, petrolatum, hydrophilic polymers, silicas, and mixtures thereof.  
     
     
         16 . An oral care composition according to  claim 14 , additionally comprising 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.  
     
     
         17 . An oral care composition according to  claim 14 , additionally comprising a silicone polymer selected from the group consisting of silicone adhesives, silicone elastomers, silicone fluids, silicone resins, silicone gums and mixtures thereof.  
     
     
         18 . An oral care composition, comprising: 
 (a) an active material; and    (b) an acrylic acid polymer comprising a copolymer of a first monomeric unit selected from the group consisting of acrylic acid, methacrylic acid, and combinations thereof, with a second monomeric unit selected from the group consisting of acrylates, acrylamides, acetates, and combinations thereof; and    (c) a lower alcohol.    
     
     
         19 . An oral care composition according to  claim 18 , wherein said first monomeric unit comprises methacrylic acid or β-methacrylic acid.  
     
     
         20 . An oral care composition according to  claim 19 , wherein said second monomeric unit is selected from the group consisting of acrylates and combinations thereof.  
     
     
         21 . An oral care composition according to  claim 20 , wherein said second monomeric unit is selected from the group consisting of ethyl acrylate, butyl acrylate, N-tertbutyl acrylamide, and combinations thereof.  
     
     
         22 . An oral care composition according to  claim 18 , wherein said polymer is a terpolymer of t-butyl acrylate, ethyl acrylate, and methacrylic acid.  
     
     
         23 . An oral care composition according to  claim 18 , wherein said active material is selected from the group consisting of whitening agents, anticaries agents, tartar control agents, antiplaque agents, periodontal actives, abrasives, breath freshening agents, malodor control agents, tooth desensitizers, salivary stimulants, and combinations thereof.  
     
     
         24 . An oral care composition according to  claim 23 , wherein said peroxide compound comprises hydrogen peroxide.  
     
     
         25 . An oral care composition according to  claim 24 , wherein said peroxide compound comprises a composite of hydrogen peroxide and an N-vinyl heterocyclic polymer.  
     
     
         26 . A method of delivering an oral care active, comprising applying to said surface a safe and effective amount of an oral care active and an acrylic acid polymer comprising a copolymer of a first monomeric unit selected from the group consisting of acrylic acid, methacrylic acid, and combinations thereof, with a second monomeric unit selected from the group consisting of acrylates, acrylamides, acetates, and combinations thereof.  
     
     
         27 . A method according to  claim 26 , wherein said oral care active is selected from the group comprising whitening agents, anticaries agents, tartar control agents, antiplaque agents, periodontal actives, abrasives, breath freshening agents, malodor control agents, tooth desensitizers, salivary stimulants, and combinations thereof.  
     
     
         28 . A method according to  claim 27 , wherein said oral care active is a whitening agent.  
     
     
         29 . A method according to  claim 28 , wherein said whitening agent comprises a peroxide compound.  
     
     
         30 . A method according to  claim 26 , wherein said first monomeric unit comprises methacrylic acid or β-methacrylic acid.  
     
     
         31 . A method according to  claim 26 , wherein said second monomeric unit is selected from the group consisting of acrylates and combinations thereof.  
     
     
         32 . A method according to  claim 31 , wherein said second monomeric unit is selected from the group consisting of ethyl acrylate, butyl acrylate, N-tertbutyl acrylamide, and combinations thereof.  
     
     
         33 . A method according to  claim 26 , wherein said polymer is a terpolymer of t-butyl acrylate, ethyl acrylate, and methacrylic acid.  
     
     
         34 . A method according to  claim 29 , wherein said peroxide compound comprises hydrogen peroxide.  
     
     
         35 . A method according to  claim 34 , wherein said peroxide compound comprises a composite of hydrogen peroxide and an N-vinyl heterocyclic polymer.