ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,568, issued on May 20, was assigned to Cenyx Biotech Inc. (Seoul, South Korea).

"Cerium oxide nanocomplex and a composition for preventing or treating peritonitis comprising the same" was invented by Ju Hee Han (Seoul, South Korea) and Sumin Lee (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cerium oxide nanocomplex, a composition containing the cerium oxide nanocomplex as an active ingredient, and uses thereof for preventing or treating peritonitis are disclosed. The cerium oxide nanocomplex improves the biomedical stability, biocompatibility, and efficiency of the production process of nanoparticles while maintaining the exce...