Patents by Inventor Hugo Gutmann

Hugo Gutmann 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).

  • Methylhydrazinomethyl-substituted benzoic acid amides
    Patent number: 3931268
    Abstract: Benzene-ring substituted (2-methylhydrazino)methylbenzene compounds and intermediates therefor are described. The former compounds are useful as cytostatic agents.
    Type: Grant
    Filed: May 6, 1970
    Date of Patent: January 6, 1976
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Werner Bollag, Hugo Gutmann, Balthasar Hegedus, Ado Kaiser, Albert Langemann, Marcel Muller, Paul Zeller