Patents by Inventor James J. Droste

James J. Droste 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).

  • Tetrahydro-pyrido-indole
    Patent number: 5488053
    Abstract: The present invention provides pentacyclic pyrido[3,4-b]indoles having useful central nervous system activity.
    Type: Grant
    Filed: March 11, 1994
    Date of Patent: January 30, 1996
    Assignee: Eli Lilly and Company
    Inventors: James E. Audia, James J. Droste, Deborah A. Evrard
  • Tetrahydro-pyrido-indole
    Patent number: 5300645
    Abstract: The present invention provides a new Pictet-Spengler process useful for preparing tetrahydro-beta-carboline compounds.
    Type: Grant
    Filed: April 14, 1993
    Date of Patent: April 5, 1994
    Assignee: Eli Lilly and Company
    Inventors: James E. Audia, James J. Droste, Deborah A. Evrard