Patents by Inventor Lee Karras

Lee Karras 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 for remediating endotoxin-contaminated bulk non-ionic contrast media
    Patent number: 5972225
    Abstract: A novel process for selectively removing endotoxin from an aqueous solution containing bulk, iodinated, non-ionic contrast media and endotoxin by passing the solution through an activated carbon filter. The process can be economically practiced on a factory scale.
    Type: Grant
    Filed: May 7, 1997
    Date of Patent: October 26, 1999
    Assignee: Cook Imaging Corporation
    Inventors: Lee Karras, Barry Graham