Patents by Inventor Hubert Naude

Hubert Naude 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).

  • Acid and other oxygenate reduction in an olefin containing feed stream
    Publication number: 20030187317
    Abstract: The invention relates to the reduction of oxygenates, including acid, from an olefin containing feedstream. Typically the feedstream is of Fischer-Tropsch process origin and includes hydrocarbons, such as olefins, paraffins, and aromatics, as well as oxygenates, including acid.
    Type: Application
    Filed: September 19, 2001
    Publication date: October 2, 2003
    Applicant: SASOL TECHNOLOGY (PTY) LTD.
    Inventors: Petra De Wet, Hubert Naude, Deirdre Diamond
  • Removal of impurities from a hydrocarbon component or fraction
    Patent number: 6483003
    Abstract: A process for removing impurities from a hydrocarbon component or fraction comprises mixing, in a liquid-liquid extraction step, an impurity-containing liquid hydrocarbon component or fraction, as an impure liquid hydrocarbon feedstock, with an acetonitrile-based solvent. Thereby, at least one impurity is extracted from the hydrocarbon component or fraction into the solvent. There is withdrawn from the extraction step, as a raffinate, purified hydrocarbon component or fraction, while there is withdrawn from the extraction step, as an extract, impurity-containing solvent.
    Type: Grant
    Filed: November 2, 2000
    Date of Patent: November 19, 2002
    Assignee: Sasol Technology (Proprietary) Limited
    Inventors: Waldo Eugene De Villiers, Petra De Wet, Magdalena Catharina Hough-Langanke, Hubert Naude, Atool Govan Pema