ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,323, issued on Jan. 13, was assigned to AGC SI-TECH Co. LTD. (Kitakyushu, Japan).

"Hydroxyapatite-supporting porous silica particles, method for producing hydroxyapatite-supporting porous silica particles, and composition comprising hydroxyapatite-supporting porous silica particles" was invented by Takeshi Murakami (Fukuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "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-suppor...