Patents by Inventor Alessandro Sperati

Alessandro Sperati 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).

  • Patent number: 5110360
    Abstract: Chromite by-products having a composition which includes FeCr.sub.2 O.sub.4 as well as iron, aluminum, magnesium, sodium, calcium and silicon oxides are directly mixed with cement mortar and with the aggregates on use, or added to the water, producing the effect of corrosion inhibition of the steel reinforcements.
    Type: Grant
    Filed: January 4, 1991
    Date of Patent: May 5, 1992
    Assignee: Luigi Stoppani S.p.A.
    Inventors: Giuseppe Bruzzone, Diego Perrone, Alessandro Sperati