US Patent Issued to Sumitomo Chemical on March 25 for "Embryonic erythroblast-containing cell population and method for producing same, cell culture composition, and compound test method" (Japanese Inventor)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,583, issued on March 25, was assigned to Sumitomo Chemical Co. Ltd. (Tokyo).

"Embryonic erythroblast-containing cell population and method for producing same, cell culture composition, and compound test method" was invented by Kouji Asano (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method for producing a cell population containing embryonic erythroblasts, including the steps of: (1) subjecting pluripotent stem cells to suspension culture to form a cell aggregate; and (2) obtaining the cell population from the cell aggregate obtained in step (1), step (2) including step (2a) of subjecting the cell aggregate to adhesion...