Patents by Inventor Andries Johannes Roelofse

Andries Johannes Roelofse 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).

  • Method of purifying a water-rich stream produced during a fischer-tropsch reaction
    Patent number: 7270741
    Abstract: This invention relates to an improved method of separating non-acid chemicals from a water rich stream produced during a Fischer-Tropsch (FT) reaction.
    Type: Grant
    Filed: June 3, 2004
    Date of Patent: September 18, 2007
    Assignee: Sasol Technology (Pty) Ltd
    Inventors: Andries Johannes Roelofse, Richard Alan Russell
  • Method of purifying a water-rich stream produced during a fischer-tropsch reaction
    Publication number: 20040262199
    Abstract: This invention relates to an improved method of separating non-acid chemicals from a water rich stream produced during a Fischer-Tropsch (FT) reaction.
    Type: Application
    Filed: June 3, 2004
    Publication date: December 30, 2004
    Applicant: Sasol Technology (Pty) Ltd
    Inventors: Andries Johannes Roelofse, Richard Alan Russell