ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,740, issued on Sept. 16.

"Aspergillus sp. DH4 with aerobic denitrification enhanced by inorganic electron donor and use thereof" was invented by Haihan Zhang (Xi 'an, China), Ben Ma (Xi 'an, China), Sixuan Pan (Xi 'an, China) and Fengrui Li (Xi 'an, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An Aspergillus sp. DH4 with aerobic denitrification enhanced by an inorganic electron donor and its application are provided, which relates to the field of microbial technologies. The Aspergillus sp. DH4 is preserved at China Center for Type Culture Collection (CCTCC), a preservation address is Wuhan University, 299 Bayi Road, Wuchang District, Wuhan ...