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US 10,307,363 B2Granted
Oral care compositions with improved rheology
AssigneeThe Procter & Gamble Company
InventorsSteven Carl Burgess, Ayowumi O. Fatade
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Abstract
A dentifrice composition containing a polyethylene glycol having an average molecular weight of from about 3,000 to about 8,000, glycerin, precipitated silica, and a fluoride source. The polyethylene glycol forms a crystalline structure in the composition and the composition has a water activity from about 0.25 to about 0.46 measured at about 22° C.
Claims8
A dentifrice composition comprising:
- a. a polyethylene glycol having an average molecular weight of from about 3,000 to about 8,000;
- b. from about 29% to about 44%, by weight of the composition, glycerin;
- c. an abrasive silica;
- and
- d. from about 5% to about 12%, by weight of the composition, water;
- e. a fluoride source selected from the group consisting of stannous fluoride, sodium fluoride, sodium monofluorophosphate, and mixtures thereof;
- wherein the polyethylene glycol forms a crystalline structure in the composition and wherein the composition has a water activity from about 0.25 to about 0.46 measured at about 22° C.;
- and
- wherein the abrasive silica has an average particle size ranging between about 0.1 to about 30 microns.
6 more elements
Dependencies are inferred from the claim text.