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US 9,867,764 B2Granted
Oral care composition
AssigneeConopco, Inc.
InventorsXiaoke Li, Weining Liu
Life of this patent
Estimating the term…
Abstract
An oral care composition is disclosed comprising calcium silicate and high refractive index composite particles, wherein the refractive index of the composite particles is in the range from 1.9 to 4.0, and wherein the calcium silicate and high refractive index composite particles are present at a calcium silicate to composite particles weight ratio of 1:10 to 2:1.
Claims17
An oral care composition comprising:
- a) calcium silicate;
- and
- b) high refractive index composite particles having diameters of 10 nm to less than 50 microns, wherein the high refractive index composite particle comprises a first component core and a second component coating comprising calcium silicate;
- wherein the first component core comprises a metal salt selected from the group consisting of zinc oxide, titanium dioxide, zirconium dioxide, and a mixture thereof;
- wherein the refractive index of the composite particles is in the range from 1.9 to 4.0;
- and
- wherein the calcium silicate and high refractive index composite particles are present in a weight ratio (a:b) of 1:10 to 2:1.
4 more elements
An oral care composition comprising:
- a) calcium silicate;
- and
- b) high refractive index composite particles, wherein the high refractive index composite particles comprise a first component core and a second component coating,
- wherein the first component core is titanium dioxide and the second component coating is calcium silicate;
- wherein the refractive index of the composite particles is in the range from 1.9 to 4.0;
- wherein the calcium silicate and high refractive index composite particles are present in a weight ratio (a:b) of 1:10 to 2:1.
3 more elements
Dependencies are inferred from the claim text.