Patents by Inventor William Russell Adamson

William Russell Adamson 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).

  • Vanadium removal in FCC by use of an outboard vessel
    Patent number: 6610255
    Abstract: A fluid catalytic cracking (FCC) process performed in a FCC process unit containing a reactor, a regenerator and an outboard vessel. Catalyst particles containing vanadium are circulated back and forth from the reactor to the regenerator and back and forth from the regenerator and the outboard vessel. The outboard vessel contains a vanadium trap material that removes vanadium from at least a portion of the catalyst particles.
    Type: Grant
    Filed: May 9, 2000
    Date of Patent: August 26, 2003
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Guang Cao, Todd Richard Steffens, Gordon Frederick Stuntz, Daniel Paul Leta, William Russell Adamson, Albert Yuan-Hsin Hu