ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,190, issued on Dec. 2, was assigned to NANJING DRUM TOWER HOSPITAL (Nanjing, China).

"Nanocarbon-iodine calcium alginate microspheres and preparation method and application thereof" was invented by Zhaoping Yan (Nanjing, China), Xiangjun Yan (Nanjing, China), Yongping Yan (Nanjing, China) and Haoya Sun (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A nanocarbon-iodine calcium alginate microspheres and a preparation method thereof are provided, the nanocarbon is added to the microspheres to enhance an imaging capability of iodine under X-ray, which is a good way to solve a problem that an embolic agent in clinical application cannot be...