Patents by Inventor Elio Rial

Elio Rial 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 imparting a better adhesion between reinforcing materials and plastic matrix and product thereby produced
    Patent number: 4158714
    Abstract: A process is described for imparting a better adhesion between reinforcing materials and a plastic matrix, characterized in that it comprises the steps of treating the reinforcing material surface with at least one organic compound of a tetravalent metal selected from the group consisting of zirconium and tin, at a temperature ranging from 250.degree. to 650.degree. C., of applying onto the reinforcing material surface so treated, at a lower temperature, at least one silane coupling agent and, finally, of drying the so-treated reinforcing material.
    Type: Grant
    Filed: December 15, 1976
    Date of Patent: June 19, 1979
    Assignee: Vitrofil S.p.A.
    Inventors: Corrado Brichta, Natale Tettamanzi, Elio Rial