Patents by Inventor Ferdinand Fried

Ferdinand Fried 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).

  • Novel derivatives of maleopimaric acid
    Patent number: 3998823
    Abstract: Novel derivatives of maleopimaric acid of the formula: ##STR1## The compounds of the invention exhibit hepato-protective activity.
    Type: Grant
    Filed: October 12, 1973
    Date of Patent: December 21, 1976
    Assignee: Roussel-UCLAF
    Inventors: John Bodenham Taylor, Peter John Ramm, Ferdinand Fried