US Patent Issued to Nissan Chemical America on June 16 for "Use of silica nanoparticles with glyoxal for H2S scavenging" (Illinois, Texas Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,654,130, issued on June 16, was assigned to Nissan Chemical America Corp. (Houston).

"Use of silica nanoparticles with glyoxal for H2S scavenging" was invented by John Edmond Southwell (Glen Ellyn, Ill.) and Samuel James Maguire-Boyle (Spring, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process to remove H2S from a stream comprising the steps of adding a glyoxal, a silica nanoparticle composition, and optionally a triazine to the stream. The stream is selected from the group consisting of Oil streams, Gas streams, CO2 point source purification streams and Geothermal Energy System streams."

The patent was filed on Feb. 18, 2022, under Applica...