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US 10,744,076 B2Granted
Oral care compositions and methods of use
AssigneeColgate-Palmolive Company
InventorsJason Nesta, Shira Pilch
Life of this patent
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Abstract
Disclosed herein are non-aqueous dentifrice compositions comprising (i) a whitening complex comprising crosslinked polyvinylpyrrolidone complexed with hydrogen peroxide; (ii) an off-gas reducing agent selected from sodium sulfate, magnesium sulfate, citric acid and clay; and (iii) an orally acceptable carrier. Methods of making and using the compositions are also provided.
Claims17
A non-aqueous dentifrice composition comprising:
- (i) a whitening complex comprising cross-linked polyvinylpyrrolidone complexed with hydrogen peroxide present in an amount ranging from 5 to 20% by weight;
- (ii) an off-gas reducing agent selected from sodium sulfate and magnesium sulfate, present in an amount ranging from 0.02% to 0.15% by weight;
- (iii) additional linear and/or cross-linked polyvinylpyrrolidone;
- (iv) an abrasive present in an amount ranging from 0.1% to 40% by weight;
- and
- (v) an orally acceptable carrier.
3 more elements
A non-aqueous dentifrice composition comprising:
- (i) a whitening complex comprising cross-linked polyvinylpyrrolidone complexed with hydrogen peroxide, wherein the complex is present at 10 to 15% by weight;
- (ii) an off-gas reducing agent selected from sodium sulfate and magnesium sulfate, wherein the off-gas reducing agent is present at 0.05% by weight;
- (iii) linear and/or cross-linked polyvinylpyrrolidone present at 1-2 by weight %;
- (iv) zinc oxide present at 1-2 weight %;
- (v) fumed silica present at 1-2 weight %;
- and
- (vi) an orally acceptable carrier.
4 more elements
Dependencies are inferred from the claim text.