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US 12,521,323 B2Granted
Hydroxyapatite-supporting porous silica particles, method for producing hydroxyapatite-supporting porous silica particles, and composition comprising hydroxyapatite-supporting porous silica particles
AssigneeAgc Si-Tech Co., Ltd.
InventorTakeshi Murakami
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Abstract
The present invention relates to a hydroxyapatite-supporting porous silica particle, in which hydroxyapatite is supported on a surface a spherical porous silica particle and inner surfaces of pores of the spherical porous silica particle, and in which the hydroxyapatite-supporting porous silica particle has a circularity of 0.760 or larger, a method for producing the hydroxyapatite-supporting porous silica particles, and a composition containing the hydroxyapatite-supporting porous silica particle.
Claims9
Hydroxyapatite-supporting porous silica particles,
- wherein hydroxyapatite is supported on a surface of a spherical porous silica particle and inner surfaces of pores of the spherical porous silica particle,
- wherein the hydroxyapatite-supporting porous silica particle has a circularity of 0.760 or larger, and
- wherein the hydroxyapatite-supporting porous silica particles have an average particle diameter D50 in a volume basis cumulative particle size distribution of from 2 μm to 500 μm.
Dependencies are inferred from the claim text.