Patents by Inventor Gregory Kharas

Gregory Kharas 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).

  • Composite separation membranes and the preparation and use thereof
    Patent number: 4767422
    Abstract: Composite membranes are post-treated by contact with a volatile solvent, with or without minute amounts of additives, followed by solvent evaporation, to repair defects in the thin separation layer thereof.
    Type: Grant
    Filed: April 8, 1987
    Date of Patent: August 30, 1988
    Assignee: Union Carbide Corporation
    Inventors: Benjamin Bikson, Salvatore Giglia, Gregory Kharas