US Patent Issued on Sept. 23 for "Method for degrading halogenated polycyclic aromatic hydrocarbons in soil by using cryptomelane" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,321, issued on Sept. 23.

"Method for degrading halogenated polycyclic aromatic hydrocarbons in soil by using cryptomelane" was invented by Yanzheng Gao (Nanjing, China), Pengfei Cheng (Nanjing, China), Jian Wang (Nanjing, China) and Wanting Ling (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for degrading halogenated polycyclic aromatic hydrocarbons in soil by using cryptomelane, relating to the technical field of soil regeneration, includes the following steps: S1: preparing cryptomelane; and S2: degrading halogenated polycyclic aromatic hydrocarbons in soil, where S2 includes S2-1: taking a soil sample, and grinding and r...