Patents by Inventor Joseph Barrett Payne

Joseph Barrett Payne 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: 7291263
    Abstract: A separation element is provided for use in a chromatographic analysis system for the separation of a mixture using a stationary phase and a mobile phase. The separation element comprises a fluid transmissive fiber rod comprising a plurality of fibers entangled to provide a tortuous path through which a mobile phase may flow as part of a separation process. The plurality of fibers provides a stationary phase for the separation process.
    Type: Grant
    Filed: August 19, 2004
    Date of Patent: November 6, 2007
    Assignee: Filtrona Richmond, Inc.
    Inventors: Bennett Clayton Ward, Samila Mihindukulasuriya, David Bradley Harris, Joseph Barrett Payne