Patents by Inventor James R. Roth

James R. Roth 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).

  • Method for reducing fouling of coker furnaces
    Patent number: 7922896
    Abstract: A method for reducing furnace fouling in a delayed coking process comprising (a) supplying at least one feed to a delayed coking unit comprised of coker furnace, at least two coke drums and a coker fractionator, (b) increasing the aromaticity of the feed to produce a modified stream by combining with the feed upstream of the coker furnace at least one added stream selected from the group consisting of an aromatic gas oil, a hydrotreated aromatic gas oil and combinations thereof, (c) introducing the modified feed stream into the coker furnace, d) heating the modified feed stream to a coking temperature in the coker furnace to produce a heated modified stream, and e) transferring the heated modified stream from the coker furnace to a coke drum.
    Type: Grant
    Filed: April 28, 2008
    Date of Patent: April 12, 2011
    Assignee: ConocoPhillips Company
    Inventors: Bruce A. Newman, Keith D. Alexander, Gary C. Hughes, James R. Roth
  • Method for Reducing Fouling of Coker Furnaces
    Publication number: 20090266742
    Abstract: A method for reducing furnace fouling in a delayed coking process comprising (a) supplying at least one feed to a delayed coking unit comprised of coker furnace, at least two coke drums and a coker fractionator, (b) increasing the aromaticity of the feed to produce a modified stream by combining with the feed upstream of the coker furnace at least one added stream selected from the group consisting of an aromatic gas oil, a hydrotreated aromatic gas oil and combinations thereof, (c) introducing the modified feed stream into the coker furnace, d) heating the modified feed stream to a coking temperature in the coker furnace to produce a heated modified stream, and e) transferring the heated modified stream from the coker furnace to a coke drum.
    Type: Application
    Filed: April 28, 2008
    Publication date: October 29, 2009
    Applicant: ConocoPhillips Company
    Inventors: Bruce A. Newman, Keith D. Alexander, Gary C. Hughes, James R. Roth
  • Process for producing coke
    Patent number: 7371317
    Abstract: A delayed coking process for producing more uniform and higher quality coke by increasing the drum inlet temperature of the feedstock at least 2° F. during a fill cycle.
    Type: Grant
    Filed: August 22, 2002
    Date of Patent: May 13, 2008
    Assignee: Conocophillips.Company
    Inventors: Bruce A. Newman, Ivan G. McConkey, Bruce R. Goddard, James R. Roth
  • Process for producing coke
    Publication number: 20030098260
    Abstract: A delayed coking process for producing more uniform and higher quality coke by increasing the drum inlet temperature of the feedstock at least 2° F. during a fill cycle.
    Type: Application
    Filed: August 22, 2002
    Publication date: May 29, 2003
    Inventors: Bruce A. Newman, Ivan G. McConkey, Bruce R. Goddard, James R. Roth