Patents by Inventor Paul A. Zorzi

Paul A. Zorzi 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).

  • Polypivalolactone-polycarbonate blends
    Patent number: 4201703
    Abstract: Intimate blends of polypivalolactone resin and polycarbonate resin enable the production of molded articles exhibiting low warpage properties.
    Type: Grant
    Filed: June 8, 1978
    Date of Patent: May 6, 1980
    Assignee: Ethyl Corporation
    Inventors: Paul A. Zorzi, Jesse D. Jones, Michael E. Kucsma
  • Flame retardant polypivalolactone compositions
    Patent number: 4145330
    Abstract: Flame retardant thermoplastic compositions containing polypivalolactone resin, an inorganic phosphate, and optionally a fiberglass filler and a polybrominated aromatic compound.
    Type: Grant
    Filed: November 14, 1977
    Date of Patent: March 20, 1979
    Assignee: Ethyl Corporation
    Inventors: Paul A. Zorzi, Thomas S. Allen, Michael E. Kucsma