Patents by Inventor Charles Adrian Kettner

Charles Adrian Kettner 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).

  • Amidino and guanidino substituted boronic acid inhibitors of trypsin-like enzymes
    Patent number: 5658885
    Abstract: This invention relates to Novel .alpha.-aminoacid and .alpha.
    Type: Grant
    Filed: October 25, 1994
    Date of Patent: August 19, 1997
    Assignee: The DuPont Merck Pharmaceutical Company
    Inventors: Sheng-Lian O. Lee, David John Carini, John Matthew Fevig, Charles Adrian Kettner, Padmaja Mantri, Zixia Feng