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US 12,096,844 B2Granted
Bristles having oral care additives contained therein and associated methods of manufacture
AssigneeChurch & Dwight Co., Inc.
InventorGerhart Huy
Life of this patent
Estimating the term…
Abstract
The disclosure provides dental hygiene devices including a plurality of bristles in the form of polymer fibers, the polymer fibers having a plurality of microcapsules positioned within at least a portion of the polymer fibers, and the plurality of microcapsules comprising an oral care additive surrounded by a shell configured as one or a plurality of layers. In some aspects, the present disclosure provides processes and methods for forming toothbrush bristles including an oral care additive contained therein.
Claims15
A toothbrush comprising:
- a brush head;
- a plurality of bristles in the form of polymer fibers attached to the brush head;
- and a plurality of microcapsules positioned within at least a portion of the polymer fibers, each microcapsule of the plurality of microcapsules comprises an oral care additive surrounded by a shell that includes two layers configured such that each of the two layers has a melting point of about 175ºC or greater, the plurality of the microcapsules being positioned within each of the polymer fibers.
A toothbrush comprising:
- a brush head;
- a plurality of bristles in the form of polymer fibers attached to the brush head;
- and a plurality of microcapsules positioned within at least a portion of the polymer fibers, each microcapsule of the plurality of microcapsules comprises an oral care additive surrounded by a shell configured as one or a plurality of layers, the plurality of the microcapsules being positioned within each of the polymer fibers, wherein the oral care additive comprises sodium carbonate that has an average particle size of about 5 microns or less.
A toothbrush comprising:
- a brush head;
- a plurality of bristles in the form of polymer fibers attached to the brush head;
- and a plurality of microcapsules positioned within at least a portion of the polymer fibers, each microcapsule of the plurality of microcapsules comprises an oral care additive surrounded by a shell configured as one or a plurality of layers, the plurality of the microcapsules being positioned within each of the polymer fibers, and the microcapsules having an average size of about 5 microns or less.
Dependencies are inferred from the claim text.