IP Library Granted Patent US 12661309
Granted Patent B2
US 12661309 · App. 17/297,933 · Granted Jun 23, 2026

Preparation and efficacy of tooth whitening tablet including SHMP

Inventors: Balaji Santhanam (Harrisburg, PA); Ian Fairs (Palmyra, PA)
Assignee: THE HERSHEY COMPANY
A61K8/24A23G3/362A23G3/42A23G3/50A61Q11/00A23V2002/00
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Quick Facts
Patent No.
US 12661309
App. No.
17/297,933
Granted
Jun 23, 2026
Kind
B2
Abstract

The present invention is directed to a confectionery capable of imparting tooth-whitening benefits to an end-user, the confectionery containing: sodium hexametaphosphate (SHMP), one or more sweeteners; and optionally a food-grade acid, such as citric acid. The present invention is also directed to a method of imparting tooth-whitening benefits to a consumer involving inserting the above-described confectionery into a consumer's mouth and allowing the confectionery to dissolve in the consumer's mouth, and repeating over a prolonged period of time.

Claims (41)

1 . A confectionery product, comprising:

a compressed tablet, which comprises:

a stain removal ingredient having a general formula (I):

Na (n+2) P n O (3n+1)   (I),

wherein n is 13 or 21;

at least one sweetener; and

citric acid within a range of approximately 0.1% to approximately 4.0% by weight of the confectionery product, and

wherein the stain removal ingredient does not include an oxidizing agent.

2 . The confectionery product of claim 1 , wherein the stain removal ingredient is sodium polyphosphate, and wherein the sodium polyphosphate comprises from >0 to about 10 percent by weight of the confectionery product.

3 . The confectionery product of claim 1 , wherein the stain removal ingredient is within the range of approximately 0.1% to approximately 10% by weight of the confectionery product.

4 . The confectionery product of claim 1 , further comprising sorbitol, wherein sorbitol is the balance by weight of the confectionery product.

5 . The confectionery product of claim 1 , further comprising magnesium stearate, wherein magnesium stearate is within the range of approximately 0.1% by weight to approximately 2.0% by weight of the confectionery product.

6 . The confectionery product of claim 1 , further comprising flavor and color components, wherein the flavor and color components are within the range of approximately 0.1% by weight to approximately 10.0% by weight of the confectionery product.

7 . The confectionery product of claim 1 , further comprising breath freshening components, wherein the breath freshening components are within the range of approximately 0.1% by weight to approximately 10.0% by weight of the confectionery product.

8 . The confectionery product of claim 1 , further comprising:

sorbitol, wherein sorbitol is the balance by weight of the confectionery product,

magnesium stearate, wherein magnesium stearate is within the range of approximately 0.1% by weight to approximately 2.0% by weight of the confectionery product,

flavor and color components, wherein the flavor and color components are within the range of approximately 0.1% by weight to approximately 10.0% by weight of the confectionery product,

breath freshening components, wherein the breath freshening components are within the range of approximately 0.1% by weight to approximately 10.0% by weight of the confectionery product, and

wherein the stain removal ingredient is within the range of approximately 0.1% to approximately 10% by weight of the confectionery product.

9 . A method for whitening tooth enamel of a mammal having stained tooth enamel, comprising:

a. dissolving in the mouth of the mammal, a confectionery product in compressed tablet form of claim 1 .

10 . The method of claim 9 , further comprising:

b. repeating step (a) 2 or more times in a 24-hour period.

11 . The method of claim 10 , further comprising:

C. repeating step (b) for 2 or more times in a 24-hour period.

12 . The confectionery product of claim 1 , wherein the citric acid is a food grade citric acid within the range of approximately 0.1% to approximately 2.0% by weight of the confectionery product.

13 . The confectionery product of claim 1 , wherein the citric acid is a food grade citric acid within the range of approximately 0.2% to approximately 1.5% by weight of the confectionery product.

14 . The confectionery product of claim 1 , wherein the citric acid is a food grade citric acid within the range of approximately 0.7% to approximately 1.01% by weight of the confectionery product.

15 . The method of claim 9 , wherein the citric acid is a food grade citric acid within the range of approximately 0.1% to approximately 2.0% by weight of the confectionery product.

16 . The method of claim 9 , wherein the citric acid is a food grade citric acid within the range of approximately 0.2% to approximately 1.5% by weight of the confectionery product.

17 . The method of claim 9 , wherein the citric acid is a food grade citric acid within the range of approximately 0.7% to approximately 1.01% by weight of the confectionery product.

18 . The confectionery product according to claim 2 , wherein the sodium polyphosphate comprises from 4.5%-9.0% by weight of the confectionery product.

19 . A confectionery product, comprising:

a compressed tablet consisting essentially of:

a stain removal ingredient having a general formula (I):

Na (n+2) P n O (3n+1)   (I),

wherein n is 13 or 21;

at least one sweetener; and

a food grade citric acid,

wherein the stain removal ingredient of formula (I) is in an amount of 4-10% by weight, and does not include an oxidizing agent, and the food grade citric acid is in an amount of 0.1-1.5% by weight.