Patents by Inventor Charles Keith

Charles Keith 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).

  • Desulfurization and novel sorbent for the same
    Publication number: 20050266989
    Abstract: The attrition resistance of sorbent compositions are enhanced by controlling the pH of the support mixture containing the initial ingredients of the sorbent support. Desulfurization of a sulfur-containing fluid, such as cracked gasoline or diesel fuel, is enhanced by employing a co-feed gas comprising from about 80 to about 97 volume percent hydrogen.
    Type: Application
    Filed: November 22, 2004
    Publication date: December 1, 2005
    Inventors: Glenn Dodwell, Gyanesh Khare, Donald Engelbert, Charles Keith, Bobby Cockrell