US Patent Issued to Nissan Chemical America on June 23 for "Use of melamine cyanurate nanoparticles and silica nanoparticles for H2S scavenging" (Illinois, Texas Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,615, issued on June 23, was assigned to Nissan Chemical America Corp. (Houston).

"Use of melamine cyanurate nanoparticles and silica nanoparticles 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 Melamine cyanurate, optionally a silica nanoparticle composition, and optionally a triazine. 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 o...