Patents by Inventor Donald L. Gillespie

Donald L. Gillespie 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 to prepare and isolate geldanamycin
    Publication number: 20030186394
    Abstract: The present invention relates to a process of preparing geldanamycin by culturing Streptomyces hygroscopicus in an aqueous nutrient medium. The aqueous nutrient medium can comprise starch, a starch conversion enzyme, an assimilable source of protein and optionally a further assimilable source of carbon or can comprise an assimilable source of carbon and an assimilable source of protein.
    Type: Application
    Filed: February 14, 2003
    Publication date: October 2, 2003
    Inventors: Kevin A. Short, John A. Ceglarek, Christopher W. Rysenga, Omar A. Salman, Gregory L. Mannes, Donald L. Gillespie