US Patent Issued to Tessenderlo Group on Dec. 9 for "Products prepared from waste gas streams containing H 2 S, SO 2 , and/or NH 3" (American, Belgian Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,153, issued on Dec. 9, was assigned to Tessenderlo Group NV (Brussels).

"Products prepared from waste gas streams containing H 2 S, SO 2 , and/or NH 3" was invented by Scott Waite (Tonopah, Nev.), Harry Charles Kominski (Phoenix), Rajendra Ghimire (Katy, Texas) and Jeroen van Cauwenbergh (Brussels).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aqueous composition comprises at least one oxidizable sulfur-based compound. A concentrated extract of the aqueous composition includes a gas chromatography/mass spectrometry-detectable amount of contaminating refinery hydrocarbons but the aqueous composition is free of refinery odor when stored for at least...