Patents by Inventor Silvano De Bernardo

Silvano De Bernardo 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).

  • Process for preparing pyrazomycin and pyrazomycin B
    Patent number: 3998999
    Abstract: This invention is directed to a synthetic process to produce the pharmacologically active compounds3-(1'-.alpha.-D-ribofuranosyl)-4-hydroxyrazole-5-carboxamide (Pyrazomycin B) and3-(1'-.beta.-,D-ribofuranosyl)-4-hydroxypyrazole-5-carboxamide (Pyrazomycin)The pyrazomycins exhibit activity as antiviral and antitumor agents.
    Type: Grant
    Filed: October 20, 1975
    Date of Patent: December 21, 1976
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Silvano De Bernardo, Manfred Weigele