Patents Examined by Robert M. Harrison
  • Pro-prodrugs, their production and use
    Patent number: 5877158
    Abstract: Substrate-spacer-prodrug compounds (pro-prodrugs) suited for site specific delivery of drugs, a process of preparing them and their use are described.
    Type: Grant
    Filed: September 20, 1994
    Date of Patent: March 2, 1999
    Assignees: Behringwerke Aktiengesellschaft, Laboratoires Hoechst S/A
    Inventors: Klaus Bosslet, Jorg Czech, Dieter Hoffmann, Fran.cedilla.ois Tillequin, Jean-Claude Florent, Michel Azoulay, Claude Monneret, Jean-Claude Jacquesy, Jean-Pierre Gesson, Michel Koch