Patents by Inventor Hans Spiegelberg-Schoop, deceased

Hans Spiegelberg-Schoop, deceased 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).

  • Cyanoethyl acetamidine compounds
    Patent number: 3985785
    Abstract: The present invention is related to novel cyano compounds, and a process for their preparation.
    Type: Grant
    Filed: August 11, 1975
    Date of Patent: October 12, 1976
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Albrecht Edenhofer, Hans Spiegelberg-Schoop, deceased, by Annemarie Spiegelberg, heiress, by Anna Spiegelberg-Schoop, heiress, Hans Spiegelberg-Von der Crone, heir