Patents by Inventor Osvaldo Humberto Viveros

Osvaldo Humberto Viveros 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).

  • Pharmaceutical compounds
    Patent number: 6235717
    Abstract: The present invention provides a compound of formula (I) or a salt thereof as well as methods of making and using same.
    Type: Grant
    Filed: July 3, 1995
    Date of Patent: May 22, 2001
    Assignee: Glaxo Wellcome Inc.
    Inventors: Johann Jakob Leban, Douglas Byron Sherman, James Frederick Sigafoos, Andreas Spaltenstein, Osvaldo Humberto Viveros, David Chi-cheong Wan