Patents by Inventor William R. Prince

William R. Prince 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: 5611914
    Abstract: Provided is a method for removing residual sulfur from a hydrotreated naphtha feed. The process comprises contacting the naphtha feed with massive nickel catalyst in the presence of hydrogen. The contacting is generally accomplished in the temperature range of 300.degree. F. to about 450.degree. F. Such contacting has been found to achieve quite effective removal of sulfur, particularly thiophenes.
    Type: Grant
    Filed: August 12, 1994
    Date of Patent: March 18, 1997
    Assignee: Chevron Chemical Company
    Inventors: William R. Prince, Robert L. Jacobson