US Patent Issued to NISSAN CHEMICAL on Aug. 5 for "Silica sol having particle size distribution and production method therefor" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,127, issued on Aug. 5, was assigned to NISSAN CHEMICAL Corp. (Tokyo).

"Silica sol having particle size distribution and production method therefor" was invented by Megumi Araki (Sodegaura, Japan), Naohiko Suemura (Sodegaura, Japan), Takeshi Nakada (Sodegaura, Japan), Hikaru Onishi (Sodegaura, Japan), Masatoshi Sugisawa (Sodegaura, Japan) and Jiahao Liu (Sodegaura, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A silica sol including silica particles exhibiting an average particle diameter distribution having at least two peaks, the silica sol being characterized in that the at least two peaks include the largest peak a, in a range of D50-D90, b...