IP Library Patent Application 11195448
Patent Application
App. No. 11/195,448

Oral care compositions, devices, and methods of using the same

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Patent No.
US None
App. No.
11/195,448
Abstract

Oral care compositions, devices and methods are disclosed that employ an amorphous calcium phosphate or a precursor or derivative thereof, and a tooth whitening agent.

Claims (70)

1 . An oral care device configured to contact one or more teeth, comprising an amorphous calcium phosphate or a precursor or derivative thereof, and a tooth whitening agent.

2 . The oral care device of claim 1 , wherein the amorphous calcium phosphate comprises a stabilized amorphous calcium phosphate.

3 . The oral care device of claim 2 , wherein the stabilized amorphous calcium phosphate comprises a metal-stabilized or metalloid-stabilized calcium phosphate.

4 . The oral care device of claim 3 , wherein the metal or metalloid is selected from the group consisting of zirconium, silicon, titanium, and mixtures thereof.

5 . The oral care device of claim 2 , wherein the stabilized amorphous calcium phosphate is selected from the group consisting of zirconium-modified amorphous calcium phosphate (Zr-ACP), titanium-modified amorphous calcium phosphate (Ti-ACP), silicon-modified amorphous calcium phosphate (Si-ACP), amorphous calcium phosphate fluoride (ACPF), amorphous calcium carbonate phosphate (ACCP).

6 . The oral care device of claim 2 , wherein the stabilized amorphous calcium phosphate comprises an amino acid, a polypeptide or derivatives of an amino acid or a polypeptide.

7 . The oral care device of claim 6 , wherein the polypeptide comprises a casein phosphopeptide, or a derivative thereof.

8 . The oral care device of claim 2 , wherein the stabilized amorphous calcium phosphate comprises a synthetic polymer.

9 . The oral care device of claim 1 , wherein the tooth whitening agent is selected from the group consisting of peroxides, metal chlorites, perborates, percarbonates, peroxyacids, persulfates, carbamides, hypochlorites, chlorine dioxide, and mixtures thereof.

10 . The oral care device of claim 1 , wherein the tooth whitening agent comprises hydrogen peroxide, a complex of thereof, or a source thereof.

11 . The oral care device of claim 1 , wherein the device is in the form of a strip.

12 . The oral care device of claim 11 , wherein the strip comprises a polymeric material.

13 . The oral care device of claim 12 , wherein the polymeric material is selected from the group consisting polyvinylpyrrolidone, a cellulosic polymer, polyvinyl alcohol, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropylmethyl cellulose, sodium carboxymethyl cellulose, polyethylene oxide, polyethylene glycol, polyacrylic acid, silicone, hydroxypropylmethyl-cellulose phthalate (HPMCP), polyvinyl acetate, cellulose acetate phthalate, gelatin sodium alginate, carbomer, polyvinyl pyrrolidone-vinyl acetate copolymer, polyalkylvinylether-maleic acid copolymer, polypropylene glycol, polyethylene glycol-polypropylene glycol copolymers, quaternized copolymers, quaternized copolymer of vinylpyrrolidone and dimethylaminoethyl methacrylate, and mixtures thereof.

14 . The oral care device of claim 12 , wherein the polymeric material is soluble or swollen by water.

15 . The oral care device of claim 12 , wherein the polymeric has a flexural modulus less than 100,000 psi, as measured using a dynamic mechanical analyzer.

16 . The oral care device of claim 15 , wherein the flexural modulus is less than 25,000 psi.

17 . The oral care device of claim 12 , wherein the polymeric material has a hardness of less than 100 Shore A.

18 . The oral care device of claim 17 , wherein the hardness is less than 50 Shore A.

19 . The oral care device of claim 11 , wherein the strip has more than a single layer.

20 . The oral care device of claim 11 , wherein the strip has two layers.

21 . The oral care device of claim 11 , wherein the strip has three layers.

22 . The oral care device of claim 11 , wherein the strip includes two layers, and wherein each layer is formed of a different polymeric material.

23 . The oral care device of claim 11 , wherein the strip includes:

a first layer configured to contact one or more teeth that comprises the amorphous calcium phosphate;

a third layer; and

a second layer sandwiched between the first and third layers, the second layer comprising the whitening agent.

24 . The oral care device of claim 23 , wherein the first layer comprises polyvinylpyrrolidone, the second layer comprises polyvinylpyrrolidone, and the third layer comprises hydroxypropylmethylcellulose phthalate (HPMCP).

25 . The oral care device of claim 23 , wherein the molecular weight of the HPMCP is greater than 100,000, as measured relative to mono-disperse polyethylene glycol standards in tetrahydrofuran as solvent.

26 . The oral care device of claim 23 , wherein an overall thickness of the strip is from about 0.1 mm to about 2.5 mm.

27 . The oral care device of claim 23 , wherein a thickness of the first layer is from about 0.001 mm to about 0.5 mm.

28 . The oral care device of claim 23 , wherein a thickness of the second layer is from about 0.05 mm to about 1.0 mm.

29 . The oral care device of claim 23 , wherein a thickness of the third layer is from about 0.05 mm to about 0.5 mm.

30 . The oral care device of claim 23 , wherein the layers are formed by casting.

31 . A method of treating teeth, the method comprising:

contacting one or more teeth with a device comprising an amorphous calcium phosphate or a precursor or derivative thereof, and a tooth whitening agent; and

maintaining contact with the one or more teeth for a sufficient time to at least whiten the one or more teeth.

32 . An oral care composition, comprising an amorphous calcium phosphate or a precursor or derivative thereof; and a tooth whitening agent.

33 . The oral care composition of claim 32 , wherein the amorphous calcium phosphate comprises a stabilized calcium phosphate.

34 . The oral care composition of claim 33 , wherein the stabilized amorphous calcium phosphate comprises a metal-stabilized or metalloid-stabilized calcium phosphate.

35 . The oral care composition of claim 34 , wherein the metal or metalloid is selected from the group consisting of zirconium, silicon, titanium, and mixtures thereof.

36 . The oral care composition of claim 33 , wherein the stabilized amorphous calcium phosphate is selected from the group consisting of zirconium-modified amorphous calcium phosphate (Zr-ACP), titanium-modified amorphous calcium phosphate (Ti-ACP), silicon-modified amorphous calcium phosphate (Si-ACP), amorphous calcium phosphate fluoride (ACPF), amorphous calcium carbonate phosphate (ACCP).

37 . The oral care composition of claim 33 , wherein the stabilized amorphous calcium phosphate comprises a polypeptide.

38 . The oral care composition of claim 37 , wherein the polypeptide comprises a casein phosphopeptide, or a derivative thereof.

39 . The oral care composition of claim 33 , wherein the stabilized amorphous calcium phosphate comprises a synthetic polymer.

40 . The oral care composition of claim 32 , wherein the tooth whitening agent is selected from the group consisting of peroxides, metal chlorites, perborates, percarbonates, peroxyacids, persulfates, carbamides, hypochlorites, chlorine dioxide, and mixtures thereof.

41 . The oral care composition of claim 32 , wherein the tooth whitening agent comprises hydrogen peroxide, a complex of thereof ,or a source thereof.

42 . The oral care composition of claim 41 , wherein the composition comprises from about 0.1 to about 20% hydrogen peroxide.

43 . The oral care composition of claim 32 , further comprising a polymeric material.

44 . The oral care composition of claim 32 , further comprising a solvent.

45 . The oral care composition of claim 44 , wherein the solvent is a volatile solvent, having a normal atmospheric boiling point of less than 100° C.

46 . The oral care composition of claim 44 , wherein the solvent is selected from the group consisting of ethanol, polyols, glycols, glycerol, propylene glycol, and mixtures thereof.

47 . The oral care composition of claim 44 , wherein the solvent is substantially free of water.

48 . The oral care composition of claim of claim 44 , wherein the solvent includes less than 0.1 percent by weight water.

49 . The composition of claim 32 , further comprising a sweetener, a flavoring or a fragrance.

50 . The oral care composition of claim 32 , wherein the composition is in the form of a liquid.

51 . The oral care composition of claim 32 , wherein the composition is in the form of a gel.

52 . The oral care composition of claim 32 , wherein the composition is in the form of a dentifrice.

53 . The oral care composition of claim 32 , wherein the composition is in the form of a rinse.

54 . The oral care composition of claim 32 , wherein the composition is in the form of a varnish or paint.

55 . A method of treating teeth, the method comprising

applying to a tooth, an oral care composition comprising an amorphous calcium phosphate or a precursor or derivative thereof and a whitening agent; and

allowing the oral care composition to maintain contact with the tooth for sufficient time to at least whiten the tooth.

56 . The method of claim 55 , wherein the sufficient time is less than 5 minutes.

57 . The method of claim 55 , wherein the sufficient time is less than 10 minutes.

58 . The method of claim 55 , wherein the sufficient time is less than 30 minutes.

59 . A method of simultaneously whitening and remineralizing teeth, the method comprising:

contacting one or more teeth with a device that includes an amorphous calcium phosphate or a precursor or derivative thereof, and a tooth whitening agent; and

maintaining contact with the one or more teeth for a sufficient time to at least whiten the one or more teeth.

60 . The method of claim 59 , wherein the method also at least partially remineralizes the one or more teeth.

61 . The method of claim 59 , wherein the method also reduces sensitivity of the one or more teeth.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 27, 2006
From: THE GILLETTE COMPANY
To: MCNEIL-PPC, INC.
Reel/Frame 017215/0868 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 1, 2005
From: SHARMA, DEEPAK; TYNDALL, DAVID V.; PASSI, RAJEEV KUMAR
To: THE GILLETTE COMPANY
Reel/Frame 016861/0663 →