Patents by Inventor Mahmoud Farid Abdel-Rahman

Mahmoud Farid Abdel-Rahman 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).

  • Multilayered gas chromatograph
    Patent number: 6497138
    Abstract: The present disclosure relates to a gas chromatograph having a plurality of layers or channels. The chromatograph typically comprises an inlet that receives a sample to be analyzed, a column disposed in each of the plurality of chromatograph layers, each column being in fluid communication with and downstream from the inlet and having a stationary phase coating its inner surfaces, and a detector in fluid communication with and downstream from at least one of the columns. In a preferred arrangement, the chromatograph includes a pre-column disposed in each of the chromatograph layers upstream of the columns, each pre-column being in fluid communication with the inlet and having a stationary phase coating its inner surfaces.
    Type: Grant
    Filed: October 18, 2000
    Date of Patent: December 24, 2002
    Assignee: Agilent Technologies, Inc.,
    Inventors: Mahmoud Farid Abdel-Rahman, Carl A. Myerholtz