Patents by Inventor Robert Mishell

Robert Mishell 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).

  • Cytophaga-derived immunopotentiator
    Patent number: 4978622
    Abstract: Substantially pigment-free gliding bacteria adjuvant (GBA) is isolated from medium in which Cytophaga strain GB-2 has been cultured by extraction with acetone to remove pigment, enzymatic digestion and filtration to remove residual protein and nucleic acids, and affinity chromatography to remove residual lipopolysaccharide. This pure form of GBA shows unexpectedly high specific immunopotentiating activity relative to crude GBA.
    Type: Grant
    Filed: September 1, 1989
    Date of Patent: December 18, 1990
    Assignee: Regents of the University of California
    Inventors: Robert Mishell, William Usinger