A dentifrice composition comprising an orally acceptable vehicle having distributed therein a water hydratable film flakes having a matrix comprised of a water soluble hydroxy alkyl cellulose polymer and a starch, and flaying entrained therein a constituent selected from therapeutic cosmetic and dec
A dentifrice composition comprising an orally acceptable vehicle having distributed therein a water hydratable film flakes having a matrix comprised of a water soluble hydroxy alkyl cellulose polymer and a starch, and flaying entrained therein a constituent selected from therapeutic cosmetic and decorative materials.
대표청구항▼
1. A dentifrice composition comprising an orally acceptable vehicle and film flakes, the flakes being distributed within the vehicle, comprising from about 0.05 to about 1.0% by total weight of the composition, and being comprised of a film matrix and at least one constituent, wherein the matrix is
1. A dentifrice composition comprising an orally acceptable vehicle and film flakes, the flakes being distributed within the vehicle, comprising from about 0.05 to about 1.0% by total weight of the composition, and being comprised of a film matrix and at least one constituent, wherein the matrix is comprised of hydroxyalkyl cellulose and cornstarch and the at least one constituent is selected from the group consisting of flavorants, therapeutic agents, cosmetic agents, and combinations thereof, and the cornstarch is present in an amount effective to increase stiffness of the matrix. 2. A dentifrice according to claim 1, wherein the at least one constituent comprises a flavorant. 3. A dentifrice according to claim 1, wherein the flavorant comprises from about 15 to about 25 percent by weight of the film flakes. 4. A dentifrice according to claim 1, wherein the flavorant comprises an amount to release a burst of flavor during toothbrushing. 5. A dentifrice according to claim 1, wherein the hydratable matrix comprises from about 10 to about 60% hydroxyalkylmethyl cellulose and wherein the hydroxyalkyl cellulose comprises a member selected from the group consisting of hydroxypropyl methyl cellulose, hydroxyethylpropyl cellulose, hydroxybutyl methyl cellulose, hydroxypropyl methyl cellulose, and combinations thereof. 6. A dentifrice according to claim 1, wherein the dentifrice vehicle is substantially clear and the film flakes are shaped flakes and comprise a colorant. 7. A dentifrice according to claim 6, wherein the vehicle comprises a colorant and the colorant of the vehicle contrasts to the colorant of the film flakes. 8. A dentifrice according to claim 1, wherein the at least one constituent is selected from the group consisting of flavorants, sweeteners, cetyl pyridinium chloride, chlorhexidene, anticavities agents, anticalculus agents, antibacterial agents, breath freshening agents, desensitizers, vitamins, herbs, whitening agents, high cleaning silica, and combinations thereof. 9. A dentifrice according to claim 1, wherein the flakes are about 0.5 to about 10 microns thick and have a size of about 0.01 to about 0.5 inches. 10. A dentifrice, comprising a dentifrice vehicle and film flakes comprising at least one constituent in a film flake matrix, wherein the matrix comprises as a major film forming agent an hydroxyalkyl cellulose and cornstarch, and the cornstarch is present in an amount effective to increase stiffness of the matrix, andwherein said constituent is selected from the group consisting of flavorants, therapeutic agents, cosmetic agents, and combinations thereof, and further wherein said matrix releases said constituent when the dentifrice is applied to a tooth surface. 11. A dentifrice according to claim 10, wherein the constituent comprises a flavorant. 12. A dentifrice according to claim 10, wherein the film flakes comprise from about 15 to about 25 percent by weight of a flavorant. 13. A dentifrice according to claim 10, wherein the dentifrice vehicle is substantially clear, and further wherein the film flakes are shaped flakes including a colorant. 14. A dentifrice according to claim 10, wherein said constituent comprises at least one member selected from the group consisting of flavorants sweeteners, cetyl pyridinium chloride, chlorhexidene, anticavities agents, anticalculus agents, antibacterial agents, breath freshening agents, desensitizers, vitamins, herbs, whitening agents, high cleaning silica, and combinations thereof. 15. A dentifrice comprising a dentifrice vehicle and flakes that disintegrate during toothbrushing to release a constituent, wherein the flakes comprise a hydratable matrix having as a major film forming agent an hydroxyalkyl cellulose and cornstarch, and the cornstarch is present in an amount effective to increase stiffness of the matrix. 16. A dentifrice according to claim 15, wherein the constituent comprises a flavorant. 17. A dentifrice according to claim 15, wherein the flakes comprise from about 15 to about 25 percent by weight of a flavorant. 18. A dentifrice according to claim 15, wherein the flakes comprise a flavorant in an amount to release a burst of flavor during toothbrushing. 19. A dentifrice according to claim 15, wherein the dentifrice vehicle is substantially clear, and further wherein the flakes are shaped flakes including a colorant. 20. A dentifrice according to claim 15, wherein said constituent comprises at least one member selected from the group consisting of flavorants, sweeteners, cetyl pyridinium chloride, chlorhexidene, anticavities agents, anticalculus agents, antibacterial agents, breath freshening agents, desensitizers, vitamins, herbs, whitening agents, high cleaning silica, and combinations thereof. 21. A dentifrice comprising a dentifrice vehicle and flakes of a hydratable film, wherein the hydratable film comprises as a major film forming agent an hydroxyalkyl cellulose and cornstarch, and the cornstarch is present in an amount effective to increase stiffness of the flake, andwherein the film disintegrates during toothbrushing to release a burst of flavor. 22. A dentifrice according to claim 21, wherein the dentifrice vehicle is substantially clear, and further wherein the flakes are shaped flakes including a colorant. 23. A dentifrice according to claim 21, wherein the flakes further comprise a constituent selected from the group consisting of sweeteners, cetyl pyridinium chloride, chlorhexidene, anticavities agents, anticalculus agents, antibacterial agents, breath freshening agents, desensitizers, vitamins, herbs, whitening agents, high cleaning silica, and combinations thereof. 24. A dentifrice according to claim 21, wherein the film comprises an effective amount of a sweetener. 25. A dentifrice, comprising a dentifrice vehicle and flakes, wherein said flakes comprise at least one hydratable cellulose as a major film forming agent, cornstarch and from about 15 to about 25 percent by weight of a flavorant, wherein the cornstarch is to increase stiffness of the flake. 26. A dentifrice according to claim 25, wherein the flakes release a burst of flavor during toothbrushing. 27. A dentifrice according to claim 25, wherein the dentifrice vehicle is substantially clear, and further wherein the flakes are shaped flakes including a colorant. 28. A dentifrice according to claim 25, wherein the flakes further comprise a constituent selected from the group consisting of cetyl pyridinium chloride, chlorhexidene, anticavities agents, anticalculus agents, antibacterial agents, breath freshening agents, desensitizers, vitamins, herbs, whitening agents, high cleaning silica, and combinations thereof. 29. A dentifrice, comprising a dentifrice vehicle and flakes, wherein said flakes comprise a film matrix effective to substantially separate a constituent from the dentifrice vehicle until it is applied to a tooth surface, wherein the matrix is comprised of hydroxyalkyl cellulose and cornstarch, and the cornstarch is present in an amount effective to increase stiffness of the matrix. 30. A dentifrice according to claim 29, wherein said film matrix releases the constituent when applied to a tooth surface. 31. A dentifrice according to claim 30, wherein the matrix releases the entrained constituent substantially immediately when applied to a tooth surface. 32. A dentifrice, comprising a dentifrice vehicle and decorative, shaped film flakes comprising hydroxyalkylmethyl cellulose, cornstarch, from about 15 to about 25% by weight of a flavorant, titanium dioxide, and at least one member selected from the group consisting of surfactants and emulsifying agents, wherein the cornstarch is present in an amount effective to increase stiffness of the film flake. 33. A dentifrice according to claim 32, wherein the dentifrice vehicle is substantially clear and wherein the film flakes further comprise FD&C Green colorant. 34. A dentifrice according to claim 32, wherein the film flakes comprise cetyl pyridinium chloride and an antibacterial agent.
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