Patents by Inventor Shujun Sun

Shujun Sun 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).

  • Methods for purifying highly anionic proteins
    Publication number: 20020132991
    Abstract: The present invention provides a process for isolating and purifying highly anionic target proteins, for example, sulfated proteins. Sulfated proteins have five (5) or more, sulfations. In a preferred embodiment, the sulfated protein has six (6) sulfations, e.g., six sulfations on N-terminal tyrosine residues, as embodied in PSGL-1 (P-selectin glycoprotein ligand).
    Type: Application
    Filed: March 27, 2001
    Publication date: September 19, 2002
    Inventors: Jonathan L. Coffman, William Barry Foster, Bonnie J. Germain, Shujun Sun, Jeffrey J. Robinson