Patents by Inventor Art W. Chester

Art W. Chester 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).

  • Catalytic production of light olefins from naphtha feed
    Patent number: 6835863
    Abstract: A C4+ naphtha hydrocarbon feed is converted to light olefins and aromatics, by contacting the feed with a catalyst containing ZSM-5 and/or ZSM-11, a substantially inert matrix material such as silica and/or clay, having less than about 20 wt % active matrix material based on total catalyst composition, and phosphorus.
    Type: Grant
    Filed: July 12, 1999
    Date of Patent: December 28, 2004
    Assignee: ExxonMobil Oil Corporation
    Inventors: Art W. Chester, Ke Liu, Robert A. Ware