Claims
- 1. A method for whitening at least one tooth comprising contacting the tooth with a composition that includes:
(a) a bleaching agent; (b) a carrier; and (c) an acrylate/α,β-ethylenically unsaturated dicarboxylic acid or anhydride copolymer.
- 2. A method according to claim 1 wherein the bleaching agent comprises a peroxide bleaching agent.
- 3. A method according to claim 2 wherein the peroxide bleaching agent is selected from hydrogen peroxide or carbamide peroxide.
- 4. A method according to claim 1 wherein the carrier is selected from water or an organic solvent.
- 5. A method according to claim 4 wherein the organic solvent is selected from glycerin, polyalkylene glycol or polyalkylene alcohol.
- 6. A method according to claim 1 wherein the acrylate/α,β-ethylenically unsaturated dicarboxylic acid or anhydride copolymer comprises an acrylate itaconate copolymer.
- 7. A method according to claim 6 wherein the acrylate itaconate copolymer is selected from an acrylate/steareth-20 itaconate copolymer, an acrylate/ceteth-20 itaconate copolymer or an acrylate/aminoacrylate/C10-C30 alkyl polyethylene glycol-20 itaconate copolymer.
- 8. A method according to claim 1 wherein the acrylate/α,β-ethylenically unsaturated dicarboxylic acid or anhydride copolymer comprises an acrylate/ceteth-20 itaconate copolymer.
- 9. A method according to claim 1 wherein the composition is provided in a dental tray and the dental tray is contacted with at least one tooth.
- 10. A method according to claim 1 further comprising subjecting the composition to radiant energy once the composition has contacted the tooth.
- 11. A method according to claim 1 wherein the composition is delivered via a syringe for contacting the tooth.
- 12. A method for whitening at least one tooth comprising contacting the tooth with a composition that includes:
(a) a bleaching agent; (b) a carrier; and (c) a rheology modifier, wherein the rheology modifier has been prepared by polymerizing at least one (meth)acrylate or (meth)acrylic acid monomer with a surfactant monomer, the surfactant monomer being an esterification product of a nonionic surfactant reacted with itaconic acid or anhydride.
- 13. A method according to claim 12 wherein the bleaching agent comprises a peroxide bleaching agent.
- 14. A method according to claim 12 wherein the nonionic surfactant is selected from polyoxyethylene alcohol, ethoxylated alkyl phenol, polyoxyethylene fatty acid ester, sorbitan fatty acid ester or polyoxyethylene sorbitan fatty acid ester.
- 15. A method according to claim 12 wherein the carrier comprises water.
- 16. A method for whitening at least one tooth comprising contacting the tooth with a composition that includes a bleaching agent, a carrier and a rheology modifier wherein the rheology modifier has been prepared by polymerizing:
(a) an acrylate monomer selected from a C1-C6 alkyl ester of acrylic acid and a C1-C6 alkyl ester of methacrylic acid; (b) a monomer selected from a vinyl-substituted heterocyclic compound containing at least one of a nitrogen or a sulfur atom, a (meth)acrylamide, a mono- or di-(C1-C4)alkylamino (C1-C4)alkyl (meth)acrylate and a mono or di-(C1-C4)alkylamino (C1-C4)alkyl (meth)acrylamide; and (c) a surfactant monomer.
- 17. A method for whitening at least one tooth comprising contacting the tooth with a composition that includes:
(a) a bleaching agent; (b) a carrier; (c) an alkaline additive; and (d) an acrylate itaconate copolymer.
- 18. A method according to claim 17 wherein the bleaching agent is selected from hydrogen peroxide or carbamide peroxide.
- 19. A method according to claim 17 wherein the carrier is selected from water, an organic solvent or an organic suspending agent.
- 20. A method according to claim 17 wherein the acrylate itaconate copolymer is selected from an acrylate/steareth-20 itaconate copolymer, an acrylate/ceteth-20 itaconate copolymer or an acrylate/aminoacrylate/C10-C30 alkyl polyethylene glycol-20 itaconate copolymer.
- 21. A method according to claim 20 wherein the acrylate itaconate copolymer comprises an acrylate/ceteth-20 itaconate copolymer.
- 22. A method according to claim 17 wherein the alkaline additive is selected from alkali metal hydroxide, tris(hydroxymethyl)aminomethane, sodium carbonate, ammonium hydroxide, alkylamine or amino alcohol.
- 23. A method according to claim 21 wherein the bleaching agent comprises hydrogen peroxide and the alkaline additive is selected from alkali metal hydroxide, tris(hydroxymethyl)aminomethane, sodium carbonate, ammonium hydroxide, alkylamine, or amino alcohol.
- 24. A composition comprising:
(a) about 7 to about 40 weight percent bleaching agent; (b) a carrier; (c) an alkaline additive selected from alkali metal hydroxide, tris(hydroxymethyl)aminomethane, sodium carbonate, ammonium hydroxide, alkylamine or amino alcohol; and (d) an acrylate/α,β-ethylenically unsaturated dicarboxylic acid or anhydride copolymer wherein the weight percent is based on the total amount of carrier and bleaching agent.
- 25. A composition according to claim 24 wherein the bleaching agent is selected from hydrogen peroxide or carbamide peroxide.
- 26. A composition according to claim 24 wherein the acrylate/α,β-ethylenically unsaturated dicarboxylic acid or anhydride copolymer comprises an acrylate itaconate copolymer.
- 27. A composition according to claim 26 wherein the acrylate itaconate copolymer is selected from an acrylate/steareth-20 itaconate copolymer, an acrylate/ceteth-20 itaconate copolymer or an acrylate/aminoacrylate/C10-C30 alkyl polyethylene glycol-20 itaconate copolymer.
- 28. A composition according to claim 27 wherein the acrylate itaconate copolymer comprises an acrylate/ceteth-20 itaconate copolymer.
- 29. A composition comprising the combination of the following ingredients:
(a) about 7 to about 40 weight percent bleaching agent; (b) a carrier; (c) an alkaline additive selected from alkali metal hydroxide, tris(hydroxymethyl)aminomethane, sodium carbonate, ammonium hydroxide, alkylamine or amino alcohol; and (d) an acrylate itaconate copolymer wherein the weight percent is based on the total amount of carrier and bleaching agent.
- 30. A composition according to claim 29 wherein the acrylate itaconate copolymer is selected from an acrylate/steareth-20 itaconate copolymer, an acrylate/ceteth-20 itaconate copolymer or an acrylate/aminoacrylate/C10-C30 alkyl polyethylene glycol-20 itaconate copolymer.
- 31. A method for whitening at least one tooth comprising contacting the tooth with a composition that includes:
(a) a bleaching agent; (b) a carrier; and (c) a rheology modifier having a chemical structure represented by 2wherein R can be a C1-C8 alkyl or hydroxyalkyl and n can be an integer from 1 to 40.
Parent Case Info
[0001] This application claims priority to U.S. Provisional Patent Application No. 60/196,117 filed Apr. 11, 2000, incorporated herein by reference.
Provisional Applications (1)
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Number |
Date |
Country |
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60196117 |
Apr 2000 |
US |