Patents by Inventor Lewis M. Gibbs

Lewis M. Gibbs 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).

  • Blending of summer gasoline containing ethanol
    Patent number: 6540797
    Abstract: Provided is a method for blending an unleaded summer gasoline containing ethanol. The method comprises providing a substantially oxygenate free unleaded gasoline blend stock having an RVP of no greater than 7.0, and preferably no greater than 6.0, and then adding sufficient ethanol to the gasoline blend stock such that the ethanol addition does not cause the T50 value to drop below the ASTM D 4814 minimum requirements of 170° F.
    Type: Grant
    Filed: May 7, 2002
    Date of Patent: April 1, 2003
    Assignee: Chevron U.S.A. Inc.
    Inventors: William R. Scott, Lewis M. Gibbs
  • Blending of summer gasoline containing ethanol
    Patent number: 6419716
    Abstract: Provided is a method for blending an unleaded summer gasoline containing ethanol. The method comprises providing a substantially oxygenate free unleaded gasoline blend stock having an RVP of no greater than 7.0, and preferably no greater than 6.0, and then adding sufficient ethanol to the gasoline blend stock such that the ethanol addition does not cause the value to drop below the ASTM D 4814 minimum requirements of 170° F.
    Type: Grant
    Filed: August 7, 2001
    Date of Patent: July 16, 2002
    Assignee: Chevron U.S.A. Inc.
    Inventors: William R. Scott, Lewis M. Gibbs
  • Blending of summer gasoline containing ethanol
    Publication number: 20020014035
    Abstract: Provided is a method for blending an unleaded summer gasoline containing ethanol. The method comprises providing a substantially oxygenate free unleaded gasoline blend stock having an RVP of no greater than 7.0, and preferably no greater than 6.0, and then adding sufficient ethanol to the gasoline blend stock such that the ethanol addition does not cause the T50 value to drop below the ASTM D 4814 minimum requirements of 170° F.
    Type: Application
    Filed: August 7, 2001
    Publication date: February 7, 2002
    Inventors: William R. Scott, Lewis M. Gibbs
  • Blending of summer gasoline containing ethanol
    Patent number: 6328772
    Abstract: Provided is a method for blending an unleaded summer gasoline containing ethanol. The method comprises providing a substantially oxygenate free unleaded gasoline blend stock having an RVP of no greater than 7.0, and preferably no greater than 6.0, and then adding sufficient ethanol to the gasoline blend stock such that the ethanol addition does not cause the T50 value to drop below the ASTM D 4814 minimum requirements of 170° F.
    Type: Grant
    Filed: June 26, 2000
    Date of Patent: December 11, 2001
    Assignee: Chevron U.S.A. Inc.
    Inventors: William R. Scott, Lewis M. Gibbs
  • Blending of summer gasoline containing ethanol
    Patent number: 6290734
    Abstract: Provided is a method for blending an unleaded summer gasoline containing ethanol. The method comprises providing a substantially oxygenate free unleaded gasoline blend stock having an RVP of no greater than 7.0, and preferably no greater than 6.0, and then adding sufficient ethanol to the gasoline blend stock such that the ethanol addition does not cause the T50 value to drop below the ASTM D 4814 minimum requirements of 170° F.
    Type: Grant
    Filed: July 28, 1999
    Date of Patent: September 18, 2001
    Assignee: Chevron U.S.A. Inc.
    Inventors: William R. Scott, Lewis M. Gibbs