Oral Care Compositions
AssigneeColgate-Palmolive Company
InventorsShaoyi ZHANG, Suman CHOPRA
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Abstract
Aspects of the disclosure are directed to oral care compositions. In accordance with an aspect of the invention, provided is an oral care composition having a whitening agent comprising a peroxide, a thickening system comprising two or more of: (i) a silica thickener, (ii) crosslinked polyvinyl pyrrolidone, or (iii) one of xanthan gum, cetyl alcohol, or a combination thereof; and an abrasive comprising calcium pyrophosphate; and from about 10 wt. % to 90 wt. % of water, wherein the oral care composition has a pH of about 4 to about 8, and all weight percentages are based on the total weight of the oral care composition.
Claims21
1-33. (canceled)
An oral care composition comprising:
- a whitening agent comprising from a peroxide;
- a thickening system comprising two or more of:
- (i) a silica thickener,
- (ii) crosslinked polyvinyl pyrrolidone, or
- (iii) one of xanthan gum, cetyl alcohol, or a combination thereof;
- an abrasive comprising an insoluble phosphate salt;
- and
- from about 5 to 90 wt. % of water,
- wherein the oral care composition has a pH of about 4 to about 8, and all weight percentages are based on the total weight of the oral care composition.
An oral care composition comprising:
- a whitening agent comprising a peroxide;
- a thickening system comprising two or more of:
- (i) a silica thickener,
- (ii) crosslinked polyvinyl pyrrolidone, or
- (iii) xanthan gum;
- an abrasive comprising calcium pyrophosphate;
- from about 1 to about 50 wt. % of a humectant;
- and
- from about 5 to 90 wt. % of water,
- wherein the oral care composition has a pH of about 4 to about 8, and all weight percentages are based on the total weight of the oral care composition.
An oral care composition comprising:
- a whitening agent comprising a peroxide;
- a thickening system comprising two or more of:
- (i) a silica thickener,
- (ii) crosslinked polyvinyl pyrrolidone, or
- (iii) cetyl alcohol;
- an anionic sulfate based surfactant;
- an abrasive comprising calcium pyrophosphate;
- from about 1 to about 50 wt. % of a humectant;
- and
- from about 5 to 90 wt. % of water,
- wherein the oral care composition has a pH of about 4 to about 8, and all weight percentages are based on the total weight of the oral care composition.
Dependencies are inferred from the claim text.