Patents by Inventor Shousun C. Szu

Shousun C. Szu 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).

  • Polysaccharide-protein conjugates
    Patent number: 5204098
    Abstract: Vi capsular polysaccharides conjugated to toxin-dependent proteins can be used to enhance antibody response and to convert T-dependent properties to the Vi capsular polysaccharide. A heterobifunctional crosslinking agent can be used to bind thiol derivatives of the Vi capsular polysaccharides to the proteins, such as diphtheria, tetanus toxoids, cholera toxin and Haemophilus influenzae.
    Type: Grant
    Filed: February 16, 1988
    Date of Patent: April 20, 1993
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Shousun C. Szu, Rachel Schneerson, John B. Robbins