Patents by Inventor Jurgen Jacobus Johannes Louis

Jurgen Jacobus Johannes Louis 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).

  • Fuel compositions
    Patent number: 8076522
    Abstract: A fuel composition exhibiting a reduced acceleration time, the fuel composition comprising a blend comprising a non-Fischer-Tropsch derived diesel base fuel and from about 0.2 v/v % to 3 v/v % Fischer-Tropsch derived kerosene fuel product, the blend exhibiting a reduced acceleration time that is at least 0.20% less than a theoretical acceleration time.
    Type: Grant
    Filed: August 11, 2006
    Date of Patent: December 13, 2011
    Assignee: Shell Oil Company
    Inventors: Richard Hugh Clark, John Nicholas Davenport, Jurgen Jacobus Johannes Louis
  • Gasoline additives
    Patent number: 7901470
    Abstract: The use of an effective concentration of a hydrocarbyl amine wherein the hydrocarbyl moiety has a number average molecular weight in the range 140 to 255 as an additive in an unleaded gasoline composition is provided containing a major proportion of a gasoline suitable for use in a spark ignition engine, for reducing injector nozzle fouling in a direct injection spark ignition engine. A method of operating a direct injection spark ignition engine is also provided.
    Type: Grant
    Filed: March 14, 2003
    Date of Patent: March 8, 2011
    Assignee: Shell Oil Company
    Inventors: Olaf Graupner, Matthias Mundt, Andrea Schütze, Jurgen Jacobus Johannes Louis, David Roy Kendall, Nigel Peter Tait