Patents by Inventor Silverio Fioravanti

Silverio Fioravanti 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).

  • Non precious nickel based chromium containing alloy for dental prostheses
    Patent number: 4812288
    Abstract: A Ni-Cr based alloy not containing precious metals has been developed for prosthetic dentistry uses. The alloy is characterized by high hardness, good workability, high corrosion resistance and optimal adherence to ceramic materials, and consists essentially of:______________________________________ Cr 22.0-25.0% weight Mo 5.5-7.5% weight Si 2.0-4.5% weight B 0.25-0.50% weight Al .ltoreq.0.2% weight Fe .ltoreq.0.5% weight C .ltoreq.0.05% weight Cu .ltoreq.0.5% weight Mn .ltoreq.0.5% weight S .ltoreq.0.01% weight Rare earths 0.005-0.2% weight remainder Ni and impurities.
    Type: Grant
    Filed: January 5, 1988
    Date of Patent: March 14, 1989
    Assignee: Centro Sviluppo Materiali S.p.A.
    Inventors: Alberto Tamba, Silverio Fioravanti, Antonio Scaccia