Patents by Inventor Ralph M. Miano

Ralph M. Miano 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).

  • Preparation of poly(arylate) using a non-solvent
    Patent number: 5004796
    Abstract: A polyarylate is formed by reacting a mixture of a diester of a dihydric phenol, at least one aromatic dicarboxylic acid and an inert diluent comprising a poly(fluorinated alkylene oxide). Polyarylates of improvided color can be formed and the diluent can be easily separated from the polyarylate and reaction byproducts.
    Type: Grant
    Filed: January 12, 1990
    Date of Patent: April 2, 1991
    Assignee: Hoechst Celanese Corporation
    Inventors: Richard Vicari, John R. Costanza, Ronald R. Lamonte, Ralph M. Miano