ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,827, issued on Nov. 4, was assigned to ADMATECHS Co. LTD. (Miyoshi, Japan).
"Method for producing spherical silica particles" was invented by Yusuke Watanabe (Miyoshi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing spherical silica particles according to the present disclosure includes: a raw material silica particle preparation step of preparing a liquid dispersion of raw material silica particles from a raw material solution obtained by dissolving silicic acid in a mixed solvent of water and an organic solvent in the presence of a basic substance; and a heating step of heating the liquid dispersion or the raw material s...