US Patent Issued to SANOFI on Aug. 19 for "Full flow-through process for purifying recombinant proteins" (French Inventors)

ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,728, issued on Aug. 19, was assigned to SANOFI (Paris).

"Full flow-through process for purifying recombinant proteins" was invented by Didier Duthe (Paris), Celine Hemet (Paris), Benoit Mothes (Paris) and Jerome Pezzini (Paris).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention concerns a method for purifying a protein comprising in a continuous mode: one filtration step involving the use of at least one chelating agent, an exchanging step involving the use of at least one diafiltration membrane, and a polishing step involving the use of a combination of membrane adsorbers, wherein two membrane adsorbers of said combination are orth...