Patents by Inventor Wm. Richard Dougherty

Wm. Richard Dougherty 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: 5368819
    Abstract: An automated analysis system is provided for the determination of impurities in a liquified hydrocarbon stream. The system employs a hydrocarbon capture vessel for capturing a hydrocarbon sample, a water scrubbing vessel for extracting impurities from the hydrocarbon sample and a titration zone for analyzing the amount of impurities in the aqueous extract.
    Type: Grant
    Filed: June 14, 1993
    Date of Patent: November 29, 1994
    Assignee: Arco Chemical Technology, L.P.
    Inventors: Wm. Richard Dougherty, Donald J. Skahan