ALEXANDRIA, Va., May 5 -- United States Patent no. 12,617,681, issued on May 5, was assigned to Jingbao Chemical Co. Ltd. (Kaohsiung, Taiwan).

"Method of removing hydrogen peroxide from sulfuric acid" was invented by Cheng Ming Huang (Kaohsiung, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of removing hydrogen peroxide from sulfuric acid includes the following steps: First step of pouring the sulfuric acid having 0.1 wt % to 10 wt % of hydrogen peroxide into a vessel. Second step of adding a catalyst containing copper and a copper compound to the vessel to undergo a reaction with the sulfuric acid to remove the hydrogen peroxide from the sulfuric acid, to generate heat, and to generate meta...