Patents by Inventor Paul Kostel

Paul Kostel 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).

  • Method for purifying virus
    Publication number: 20050003507
    Abstract: A process for the purification of viruses from a cell lysate preparation is described, consisting of preferably two successive chromatographic steps; the first a clarification step utilizing size exclusion chromatography, and the second, a virus capture and release step using anion exchange chromatography, which successive chromatographic steps have the advantage of purifying virus, and avoiding chromatography buffer conductivity adjustments.
    Type: Application
    Filed: June 16, 2004
    Publication date: January 6, 2005
    Applicant: Onyx Pharmaceuticals, Inc.
    Inventors: Paul Kostel, Kurt Yanagimachi, Charles Olson