Patents by Inventor Melissa D. Stapleton

Melissa D. Stapleton 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).

  • Steam cracking of hydrocarbon feedstocks containing salt and/or particulate matter
    Patent number: 7402237
    Abstract: A process for cracking a hydrocarbon feedstock containing salt and/or particulate matter, wherein said hydrocarbon feedstock containing salt and/or particulate matter is heated, then separated into a vapor phase and a liquid phase by flashing in a flash/separation vessel, separating and cracking the vapor phase which comprises less than about 98% of the hydrocarbon feedstock containing salt and/or particulate matter, and recovering cracked product. The salt and/or particulate matter are removed in the liquid bottoms stream from the flash/separation vessel.
    Type: Grant
    Filed: October 28, 2004
    Date of Patent: July 22, 2008
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: James N. McCoy, Arthur R. Di Nicolantonio, James M. Frye, Melissa D. Stapleton, Richard C. Stell