Patents by Inventor James Chi Sung

James Chi Sung 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).

  • Heavy oil-solid composition and method for preparing the same
    Patent number: 6761818
    Abstract: The invention includes a compositon of matter comprising a heavy oil having dispersed therein surface modified solid wherein said surface modified solids comprise solids having adsorbed thereon air oxidized polar hydrocarbons from said heavy oil and wherein said surface modified solids have a diameter of about 10 microns or less and a method for preparing the same.
    Type: Grant
    Filed: January 17, 2003
    Date of Patent: July 13, 2004
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Ramesh Varadaraj, James Chi Sung
  • Heavy oil-solid composition and method for preparing the same
    Publication number: 20030135076
    Abstract: The invention includes a compositon of matter comprising a heavy oil having dispersed therein surface modified solid wherein said surface modified solids comprise solids having adsorbed thereon air oxidized polar hydrocarbons from said heavy oil and wherein said surface modified solids have a diameter of about 10 microns or less and a method for preparing the same.
    Type: Application
    Filed: January 17, 2003
    Publication date: July 17, 2003
    Inventors: Ramesh Varadaraj, James Chi Sung
  • Heavy oil - solid composition and method for preparing the same
    Patent number: 6524468
    Abstract: The invention includes a compositon of matter comprising a heavy oil having dispersed therein surface modified solid wherein said surface modified solids comprise solids having adsorbed thereon air oxidized polar hydrocarbons from said heavy oil and wherein said surface modified solids have a diameter of about 10 microns or less and a method for preparing the same.
    Type: Grant
    Filed: March 28, 2001
    Date of Patent: February 25, 2003
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Ramesh Varadaraj, James Chi Sung
  • Heavy oil - solid composition and method for preparing the same
    Publication number: 20010044386
    Abstract: The invention includes a compositon of matter comprising a heavy oil having dispersed therein surface modified solid wherein said surface modified solids comprise solids having adsorbed thereon air oxidized polar hydrocarbons from said heavy oil and wherein said surface modified solids have a diameter of about 10 microns or less and a method for preparing the same.
    Type: Application
    Filed: March 28, 2001
    Publication date: November 22, 2001
    Inventors: Ramesh Varadaraj, James Chi Sung