Patents by Inventor Dieter Hoffman

Dieter Hoffman 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).

  • Glycosyl-etoposide prodrugs, a process for preparation thereof and the use thereof in combination with functionalized tumor-specific enzyme conjugates
    Publication number: 20030064482
    Abstract: The present invention relates to glycosyl-etoposide prodrugs, a process for the preparation thereof and the use thereof in combination with functionalized tumor-specific enzyme conjugates for treating cancers.
    Type: Application
    Filed: April 24, 2002
    Publication date: April 3, 2003
    Applicant: Hoechst Aktiengesellschaft
    Inventors: Cenek Kolar, Jorg Czech, Klaus Bosslet, Gerhard Seemann, Hans-Harald Sedlacek, Dieter Hoffman
  • Glycosyl-etoposide prodrugs, a process for preparation thereof and the use thereof in combination with functionalized tumor-specific enzyme conjugates
    Patent number: 6475486
    Abstract: The present invention relates to glycosyl-etoposide prodrugs, a process for the preparation thereof and the use thereof in combination with functionalized tumor-specific enzyme conjugates for treating cancers.
    Type: Grant
    Filed: June 30, 1999
    Date of Patent: November 5, 2002
    Assignee: Aventis Pharma Deutschland GmbH
    Inventors: Cenek Kolar, Jörg Czech, Klaus Bosslet, Gerhard Seemann, Hans-Harald Sedlacek, Dieter Hoffman
  • Glycosylated prodrugs, their method of preparation and their uses
    Patent number: 5561119
    Abstract: Glycosylated prodrugs, a preparation method therefor, and their use with tumor-specific immunoenzymatic conjugates for the treatment of cancer, are described. These anthracycline prodrugs have formula (I).
    Type: Grant
    Filed: May 27, 1994
    Date of Patent: October 1, 1996
    Assignees: Laboratoires Hoechst, Behringwerke A.G.
    Inventors: Jean-Claude Jacquesy, Jean-Pierre Gesson, Claude Monneret, Martine Mondon, Brigitte Renoux, Jean-Claude Florent, Michel Koch, Fran.cedilla.ois Tillequin, Hans H. Sedlacek, Manfred Gerken, Cenek Kolar, Gilbert Gaudel, Klaus Bosslet, J org Czech, Dieter Hoffman, Gerhard Seemann, Hans-Ulrich Schorlemmer, Gerhard Dickneite
  • Process and apparatus for sputter coating a gold alloy onto a substrate
    Patent number: 4882022
    Abstract: A process using a multiple-substance alloy having a gold content most preferably in the range of 94 to 98 percent by weight as a target in a cathode sputtering apparatus is disclosed. The alloy further contains non-gold elements of aluminum, copper and preferably an element of the group of Co, Ni, G, Ti, In, Cd, Sn, Fe and Pd.
    Type: Grant
    Filed: August 9, 1988
    Date of Patent: November 21, 1989
    Assignees: Leybold Aktiengesellschaft, Demetron Gesellschaft Fuer Elektronik-Werkstoffe mbH
    Inventors: Dieter Hoffman, Wolf-Dieter Munz, G. A. Horst Siewert, Horst Dietrich
  • Multiple-substance alloy for targets of cathode sputtering apparatus
    Patent number: 4808373
    Abstract: A multiple-substance alloy used as a target in a cathode sputtering apparatus, and having a gold content most preferably in the range of 94-98 percent by weight, is disclosed. The alloy further contains non-gold alloys of aluminum, copper and preferably an element of the group of Co, Ni, Ga, Ti, In, Cd, Sn, Fe and Pd.
    Type: Grant
    Filed: October 20, 1986
    Date of Patent: February 28, 1989
    Assignee: Leybold-Heraeus GmbH
    Inventors: Dieter Hoffman, Wolf-Dieter Munz, G. A. Hoist Siewert, Horst Dietrich