Tooth whitening compositions and delivery systems therefor

Abstract

Stain-removing oral compositions, such as gum compositions are herein provided. The compositions include an orally acceptable carrier and a stain-removing anionic surfactant. The surfactant includes a fatty acid salt having at least one hydroxyl functionality. The fatty acid salt may be a salt of ricinoleic acid, and may be combined with a chelating agent and/or an abrasive. The chelating agent may be a polyphosphate and the abrasive may be a silica abrasive.

1 - 72 . (canceled) 
     
     
         73 . A stain-removing oral composition comprising an orally acceptable carrier comprising a gum base, and a surfactant in an effective amount to remove stains from teeth, wherein the surfactant comprises a fatty acid salt having at least one hydroxyl functionality, said free fatty acid salt having from 8 to 25 carbon atoms. 
     
     
         74 . The composition of  claim 73 , wherein said fatty acid salt has from 14 to 25 carbon atoms. 
     
     
         75 . The composition of  claim 73 , wherein the surfactant is present in amounts of about 0.001 to about 20% by weight of the oral composition. 
     
     
         76 . The composition of  claim 73 , wherein the surfactant is present in amounts of about 0.05 to about 10% by weight of the oral composition. 
     
     
         77 . The composition of  claim 73 , wherein the surfactant is present in amounts of about 0.05 to about 2% by weight of the oral composition. 
     
     
         78 . The composition of  claim 73 , wherein the salt includes a metal ion selected from the group consisting of divalent metal ions and monovalent metal ions. 
     
     
         79 . The composition of  claim 78 , wherein the metal ion is selected from the group consisting of sodium, potassium, calcium, magnesium and combinations thereof 
     
     
         80 . The composition of  claim 73 , further comprising a chelating agent. 
     
     
         81 . The composition of  claim 80 , wherein the chelating agent is a phosphate salt selected from the group consisting of pyrophosphates, triphosphates, polyphosphates, polyphosphonates and combinations thereof 
     
     
         82 . The composition of  claim 80 , wherein the chelating agent is selected from the group consisting of dialkali metal pyrophosphate salts, tetraalkali polyphosphate salts and combinations thereof 
     
     
         83 . The composition of  claim 80 , wherein the chelating agent is selected from the group consisting of tetrasodium pyrophosphate, tetrapotassium pyrophosphate, sodium tripolyphosphate and combinations thereof 
     
     
         84 . The composition of  claim 80 , wherein the chelating agent is present in amounts of about 0.001 to about 5% by weight of the oral composition. 
     
     
         85 . The composition of  claim 80 , wherein the chelating agent is present in amounts of about 0.5 to about 3% by weight of the oral composition. 
     
     
         86 . The composition of  claim 73 , further comprising an abrasive agent. 
     
     
         87 . The composition of  claim 86 , wherein the abrasive agent is selected from the group consisting of silicas, aluminas, phosphates, carbonates and combinations thereof 
     
     
         88 . The composition of  claim 86 , wherein said abrasive agent is a silica selected from the group consisting of precipitated silica, silica gels and combinations thereof 
     
     
         89 . The composition of  claim 86 , wherein the abrasive agent is selected from the group consisting of calcium carbonate, sodium bicarbonate, sodium metaphosphate, potassium metaphosphate, tricalcium phosphate, dihydrated dicalcium phosphate and combinations thereof 
     
     
         90 . The composition of  claim 86 , wherein the abrasive agent is present in amounts from about 0.1 to about 30% by weight of the oral composition. 
     
     
         91 . The composition of  claim 86 , wherein the abrasive agent is present in amounts from about 0.5 to about 5% by weight of the oral composition. 
     
     
         92 . The composition of  claim 73 , wherein the composition further comprises a chewing gum base in amounts of about 20 to about 40% by weight of the oral composition. 
     
     
         93 . The composition of  claim 73 , further comprising an agent selected from the group consisting of elastomers, elastomer solvents, waxes, emulsifiers, plasticizers, softeners, dispersing agents, sweeteners, flavorants, humectants, active agents, cooling agents, warming agents, tooth whitening agents, colorants, bulking agents, fillers and combinations thereof 
     
     
         94 . The composition of  claim 93 , wherein the active agent is a fluoride compound or an antibacterial compound. 
     
     
         95 . The composition of  claim 73 , further comprising a film-forming polymer. 
     
     
         96 . The composition of  claim 95 , wherein the film-forming polymer is an anionic polymeric polycarboxylate. 
     
     
         97 . The composition of  claim 73 , further comprising a component selected from the group consisting of sulfated butyl oleate, medium and long chain fatty acid esters, sodium oleate, salts of fumaric acid, potassium glomate, organic acid esters of mono- and diglycerides, stearyl monoglyceridyl citrate, succistearin, dioctyl sodium sulfosuccinate, glycerol tristearate, lecithin, hydroxylated lecithin, sodium lauryl sulfate, acetylated monoglycerides, succinylated monoglycerides, monoglyceride citrate, ethoxylated mono- and diglycerides, sorbitan monostearate, calcium stearyl-2-lactylate, sodium stearyl lactylate, lactylated fatty acid esters of glycerol and propylene glycerol, glycerol-lactoesters of C 8 -C 24  fatty acids, polyglycerol esters of C 8 -C 24  fatty acids, propylene glycol alginate, sucrose C 8 -C 24  fatty acid esters, diacetyl tartaric and citric acid esters of mono- and diglycerides, triacetin, sarcosinate surfactants, isethionate surfactants, tautate surfactants, pluronics, polyethylene oxide condensates of alkyl phenols, products derived from the condensation of ethylene oxide with the reaction product of propylene oxide and ethylene diamine, ethylene oxide condensates of aliphatic alcohols, long chain tertiary amine oxides, long chain tertiary phosphine oxides, long chain dialkyl sulfoxides and mixtures thereof 
     
     
         98 . A chewing gum composition comprising:
 (a) a fatty acid salt having at least one hydroxyl functionality, said free fatty acid salt having from 8 to 25 carbon atoms; and   (b) a chelating agent; and   (c) a gum base.   
     
     
         99 . The composition of  claim 98 , wherein the fatty acid salt is present in amounts of about 0.001 to about 20% by weight of the chewing gum composition. 
     
     
         100 . The composition of  claim 98 , wherein the fatty acid salt is present in amounts of about 0.05 to about 10% by weight of the chewing gum composition. 
     
     
         101 . The composition of  claim 98 , wherein the chelating agent is selected from the group consisting of dialkali metal pyrophosphate salts, tetraalkali polyphosphate salts and combinations thereof 
     
     
         102 . The composition of  claim 98 , wherein the chelating agent is present in amounts of about 0.001 to about 5% by weight of the chewing gum composition. 
     
     
         103 . The composition of  claim 98 , further comprising an abrasive agent selected from the group consisting of precipitated silica, silica gels and combinations thereof 
     
     
         104 . The composition of  claim 103 , wherein the abrasive agent is present in amounts of about 0.1 to about 20% by weight of the chewing gum composition. 
     
     
         105 . A chewing gum composition comprising:
 a gum base; and   a fatty acid salt having at least one hydroxyl functionality, said free fatty acid salt having from 8 to 25 carbon atoms.   
     
     
         106 . The composition of  claim 105 , wherein the gum base is present in amounts of about 20 to about 40% by weight of the chewing gum composition. 
     
     
         107 . The composition of  claim 105 , wherein the fatty acid salt is present in amounts of about 0.001 to about 20% by weight of the chewing gum composition. 
     
     
         108 . The composition of  claim 105 , further comprising a chelating agent selected from the group consisting of dialkali metal pyrophosphate salts, tetraalkali polyphosphate salts and combinations thereof 
     
     
         109 . The composition of  claim 108 , wherein the chelating agent is present in amounts of about 0.001 to about 5% by weight of the chewing gum composition. 
     
     
         110 . The composition of  claim 105 , further comprising an abrasive agent selected from the group consisting of precipitated silica, silica gels and combinations thereof 
     
     
         111 . The composition of  claim 110 , wherein the abrasive agent is present in amounts of about 0.1 to about 20% by weight of the chewing gum composition. 
     
     
         112 . A chewing gum composition comprising:
 a gum base;   a fatty acid salt having at least one hydroxyl functionality, said free fatty acid salt having from 8 to 25 carbon atoms;   a chelating agent; and   an abrasive agent.   
     
     
         113 . The composition of  claim 112 , wherein the gum base is present in amounts of about 20 to about 40% by weight of the chewing gum composition. 
     
     
         114 . The composition of  claim 112 , wherein the fatty acid salt is present in amounts of about 0.001 to about 20% by weight of the chewing gum composition. 
     
     
         115 . The composition of  claim 112 , wherein the chelating agent is selected from the group consisting of dialkali metal pyrophosphate salts, tetraalkali polyphosphate salts and combinations thereof. 
     
     
         116 . The composition of  claim 112 , wherein the chelating agent is present in amounts of about 0.001 to about 5% by weight of the chewing gum composition. 
     
     
         117 . The composition of  claim 112 , wherein the abrasive agent is selected from the group consisting of precipitated silica, silica gels and combinations thereof. 
     
     
         118 . The composition of  claim 112 , wherein the abrasive agent is present in amounts of about 0.1 to about 20% by weight of the chewing gum composition.