ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,767, issued on June 10, was assigned to Tsinghua University (Beijing).
"Degradable microsphere and use thereof" was invented by Jianbin Wang (Beijing), Hongwei Wang (Beijing), Junlong Yin (Beijing) and Meng Tian (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a degradable microbead comprising a polymer molecule crosslinked by a crosslinking agent, wherein the polymer molecule and/or the crosslinking agent comprises a sensitive chemical bond that is cleavable through a chemical and/or light treatment, thereby resulting in the degradation of the degradable microbead. The present invention also provides a method o...