US Patent Issued to NOF, TOKYO INSTITUTE OF TECHNOLOGY on Dec. 16 for "Branched and degradable polyethylene glycol derivative" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,508, issued on Dec. 16, was assigned to NOF Corp. (Tokyo) and TOKYO INSTITUTE OF TECHNOLOGY (Tokyo).

"Branched and degradable polyethylene glycol derivative" was invented by Hiroki Yoshioka (Kawasaki, Japan), Kazuki Osakama (Kawasaki, Japan), Mika Hamura (Kawasaki, Japan), Takanori Inaba (Kawasaki, Japan), Nobuhiro Nishiyama (Tokyo), Makoto Matsui (Tokyo), Hiroyasu Takemoto (Tokyo), Takahiro Nomoto (Tokyo) and Xiaohang Sun (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An intracellularly degraded branched and degradable polyethylene glycol derivative represented by the following formula (1):wherein each symbol is as defined in the present spe...