ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,709,631, issued on Aug. 18, was assigned to Life Technologies Corp. (Carlsbad, Calif.).
"Filtration unit and a method for biomaterial purification" was invented by Kristopher E. Richardson (Inver Grove Heights, Minn.), Daniel J. O'Neal (St. Paul, Minn.), Jerald K. Rasmussen (Woodville, Wis.), Andrew W. Vail (Bayport, Minn.) and Alexei M. Voloshin (Woodbury, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein is a method of purifying a target molecule from an aqueous biological composition, the method comprising: (a) contacting a cationic polymer and the aqueous biological composition to form a mixture, the mixture comprising a bio-poly...