Back to results
US 11,484,112 B2Granted
Method of whitening teeth
AssigneeColgate-Palmolive Company
InventorsLeighton Davies-Smith, Erin Speicher
Life of this patent
Estimating the term…
Abstract
A method of whitening teeth. The method may include delivering a buffer solution from a reservoir of a toothbrush to one or more tooth cleaning elements of the toothbrush; applying a toothpaste containing a peroxide to the tooth cleaning elements, the toothpaste having a first pH; and brushing the teeth with the tooth cleaning elements, thereby mixing the buffer solution and the toothpaste to form, at surfaces of the teeth, a tooth whitening mixture having a second pH that is greater than the first pH.
Claims13
A method of whitening teeth comprising:
- delivering a buffer solution from a reservoir of a toothbrush to one or more tooth cleaning elements of the toothbrush;
- applying a toothpaste containing a peroxide to the one or more tooth cleaning elements, the toothpaste having a first pH;
- and
- brushing the teeth with the one or more tooth cleaning elements, thereby mixing the buffer solution and the toothpaste to form, at surfaces of the teeth, a tooth whitening mixture having a second pH that is greater than the first pH;
- wherein delivering the buffer solution from the reservoir to the one or more tooth cleaning elements comprises flowing the buffer solution through a capillary member that is fluidly coupled to the reservoir and to the one or more tooth cleaning elements;
- wherein each of the one or more tooth cleaning elements comprises a plurality of bristle tufts, each of the plurality of bristle tufts comprising a plurality of bristle filaments;
- and
- wherein the capillary member comprises a main body and a plurality of fibers extending between the main body and the plurality of bristle filaments of a bristle tuft of the plurality of bristle tufts.
5 more elements
A method of whitening teeth comprising:
- delivering a buffer solution from a reservoir of an oral care implement to tooth cleaning elements of the oral care implement;
- applying a toothpaste containing a peroxide to the tooth cleaning elements of the oral care implement, the toothpaste having a first pH;
- and
- brushing teeth with the tooth cleaning elements, thereby mixing the buffer solution and the toothpaste to form, at surfaces of the teeth, a tooth whitening mixture having a second pH that is greater than the first pH;
- wherein delivering the buffer solution from the reservoir to the tooth cleaning elements comprises flowing the buffer solution through a capillary member, the capillary member comprising a main body and a plurality of fibers extending between the main body and a plurality of bristle filaments of a bristle tuft of the tooth cleaning elements.
2 more elements
Dependencies are inferred from the claim text.