Patents by Inventor Rachel Hilda Zanapalidou

Rachel Hilda Zanapalidou 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).

  • Membrane separation process
    Patent number: 5681473
    Abstract: This invention relates to membrane separation of organic solubilized rhodium-organophosphite complex catalyst and free organophosphite ligand from a homogeneous non-aqueous hydroformylation reaction mixture, said mixture also containing, in addition to said catalyst and free ligand, aldehyde product and an organic solvent.
    Type: Grant
    Filed: May 5, 1995
    Date of Patent: October 28, 1997
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Jay Fingeret Miller, David Robert Bryant, Kenneth Look Hoy, Nancy Ellen Kinkade, Rachel Hilda Zanapalidou