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US 10,299,998 B2Granted
Single phase whitening dentifrice with high purity metaphosphate abrasive
AssigneeColgate-Palmolive Company
InventorsLin Fei, Suman Chopra, Prakasarao Mandadi
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Abstract
Provided is a single phase oral care composition having a whitening agent; a first abrasive selected from calcium pyrophosphate, calcium carbonate, and dicalcium phosphate; a second abrasive that may include sodium metaphosphate; an anticalculus agent; and a substantially anhydrous carrier that may include an ethylene oxide/propylene oxide copolymer. In the composition, a wt % of the second abrasive is equal to or greater than a wt % of the first abrasive.
Claims11
A single phase oral care composition, comprising:
- a whitening agent;
- a first abrasive comprising sodium metaphosphate;
- a second abrasive;
- an anticalculus agent;
- and
- a substantially anhydrous carrier comprising an ethylene oxide/propylene oxide copolymer,
- wherein a wt % of the second abrasive is equal to or greater than wt % of the first abrasive and wherein the whitening agent is potassium persulfate (potassium peroxymonosulfate).
4 more elements
A single phase oral care composition, comprising:
- a whitening agent;
- a first abrasive comprising sodium metaphosphate;
- fumed silica;
- an anticalculus agent;
- and
- a substantially anhydrous carrier comprising an ethylene oxide/propylene oxide copolymer,
- wherein a wt % of the fumed silica is less than wt % of the first abrasive and wherein the whitening agent is potassium persulfate (potassium peroxymonosulfate).
4 more elements
Dependencies are inferred from the claim text.