Patents by Inventor Joseph Riga

Joseph Riga 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: 4663001
    Abstract: Electrically conductive polymers derived from heterocyclic polycyclic monomers formed of at least two cycles of five condensed members, each cycle containing one heteroatom, as well as a method of electrochemical polymerization by anodic oxidation of these monomers. These polymers may become part of composite electroconductive material.
    Type: Grant
    Filed: June 11, 1985
    Date of Patent: May 5, 1987
    Assignee: Solvay & Cie. (Societe Anonyme)
    Inventors: Roberto Lazzaroni, Joseph Riga, Jacques Verbist