US Patent Issued to Sakai Chemical Industry on April 22 for "Boron-containing amorphous silica powder and method of producing same" (Japanese Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,019, issued on April 22, was assigned to Sakai Chemical Industry Co. Ltd. (Osaka, Japan).

"Boron-containing amorphous silica powder and method of producing same" was invented by Yasuyuki Murakami (Osaka, Japan), Satsuki Motoishi (Osaka, Japan), Hisao Koizumi (Osaka, Japan), Satoshi Komori (Fukushima, Japan) and Hironobu Ogata (Fukushima, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An amorphous silica powder comprising boron atoms. The amorphous silica powder comprising boron atoms has an average particle size from 10 to 100 nm, as determined from 40 particles selected at random in a transmission electron micrograph. The amorphous silica powd...