ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,148, issued on Sept. 22, was assigned to CHINESE RESEARCH ACADEMY OF ENVIRONMENTAL SCIENCES (Beijing).

"Application of alkali-tolerant microbial bacteria PDC-1 and its in-situ remediation of organic contaminated soil in mining areas" was invented by Caihong Huang (Beijing), Beidou Xi (Beijing), Wei Li (Beijing) and Yuqian Li (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for remediating polycyclic aromatic hydrocarbons polluted and/or heavy metal polluted water or soil remediation includes: preparing a bacterial suspension containing an alkali resistant microbial strain PDC-1, the alkali-tolerant microbial bacterium PDC-1 belongin...