Patents by Inventor Steven Matthew LeCours

Steven Matthew LeCours 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).

  • Metal passivation for anode grade petroleum coke
    Patent number: 6251307
    Abstract: The present invention relates to the use of petroleum coke for the manufacture of carbonaceous anodes for the aluminum smelting industry. The inclusion of Group 4 and/or Group 13 metal compounds as additives to the petroleum coker feedstock diminish the oxidizing tendencies of the metal impurities inherent in the petroleum coke.
    Type: Grant
    Filed: November 10, 1999
    Date of Patent: June 26, 2001
    Assignee: Mobil Oil Corporation
    Inventors: Steven Matthew LeCours, Arthur Warren Chester, Gary Lester Smith
  • Metal passivation for anode grade petroleum coke
    Patent number: 6024863
    Abstract: The present invention relates to the use of petroleum coke for the manufacture of carbonaceous anodes for the aluminum smelting industry. The inclusion of Group 4 and/or Group 13 metal compounds as additives to the petroleum coker feedstock diminish the oxidizing tendencies of the metal impurities inherent in the petroleum coke.
    Type: Grant
    Filed: August 17, 1998
    Date of Patent: February 15, 2000
    Assignee: Mobil Oil Corporation
    Inventors: Steven Matthew LeCours, Arthur Warren Chester, Gary Lester Smith