Patents by Inventor Julie R. List

Julie R. List has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for the recovery and purification of a recombinant protein from a cell
    Patent number: 6080844
    Abstract: The present invention involves a process of purifying and recovering a recombinant protein from a suspension of cells. The process of the present invention involves extracting a recombinant protein from a concentrated suspension of cells using a water-miscible organic solvent, isolating the recombinant protein from the suspension of cells, concentrating the recombinant protein to remove the water-miscible organic solvent, precipitating the recombinant protein using an acid, washing the recombinant protein with the salt or free form of a suitable organic acid and recovering the recombinant protein.
    Type: Grant
    Filed: April 23, 1998
    Date of Patent: June 27, 2000
    Assignee: Abbott Laboratories
    Inventors: Ronald E. Carney, Joseph Arndt, Julie R. List, Ellen Marie Schwartz