US Patent Issued to DAIEN MEMBRANE-SYSTEMS, DAICEL on Oct. 27 for "Isolation and purification method of extracellular vesicles" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,773,667, issued on Oct. 27, was assigned to DAIEN MEMBRANE-SYSTEMS LTD. (Tokyo) and DAICEL Corp. (Osaka, Japan).

"Isolation and purification method of extracellular vesicles" was invented by Shuji Nakatsuka (Tokyo), Seiichi Uchimura (Tokyo), Takahiro Ochiya (Tokyo) and Yusuke Yoshioka (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "[Object]To provide an isolation and purification method for isolating and purifying extracellular vesicles.[Solution]An isolation and purification method of extracellular vesicles is disclosed. A hollow fiber membrane has an inner diameter of 0.2 mm to 1.4 mm and a molecular weight cut-off of 100000 to 1000000. Filterin...