ALEXANDRIA, Va., June 2 -- United States Patent no. 12,642,767, issued on June 2, was assigned to HighField BioPharmaceutical Corp. (HangZhou, China).
"Irinotecan liposome preparation, and preparation and application thereof" was invented by Xiaohui Wei (Shanghai) and Bingqi Jiang (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "An irinotecan liposome preparation, a preparation method, and use thereof. The irinotecan liposome includes: irinotecan, a liposome carrier, an internal aqueous phase located inside a liposome membrane and an external aqueous phase located outside the liposome membrane, the irinotecan being encapsulated in the internal aqueous phase; a sulfonate gradient exists between the in...