US Patent Issued to ASAHI KASEI on May 12 for "Hyaluronic acid derivative composition, pharmaceutical composition and hyaluronic acid derivative-drug conjugate composition" (Japanese Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,130, issued on May 12, was assigned to ASAHI KASEI K.K. (Tokyo).

"Hyaluronic acid derivative composition, pharmaceutical composition and hyaluronic acid derivative-drug conjugate composition" was invented by Yoshiyuki Nakagawa (Tokyo), Kohei Yabuuchi (Tokyo), Keisuke Fukumoto (Tokyo), Toru Katsumata (Tokyo) and Soyeun Yang (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are: a hyaluronic acid derivative composition that comprises (A) a hyaluronic acid derivative having a steryl group introduced therein; and (B) a polar group-containing compound having at least one functional group selected from the group consisting of hydroxy group, ca...