Patents by Inventor Dieter Otto Leckel

Dieter Otto Leckel 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).

  • Hydrocracking catalyst and a diesel production process
    Patent number: 8455389
    Abstract: The invention provides an amorphous hydrocracking catalyst for conversion of a hydrocarbon feed having a fraction above the diesel boiling range to diesel and a process using said catalyst. The catalyst includes Al203—SiO2 support, a noble catalytically active metal which is active for hydrocracking of a hydrocarbon above the diesel boiling range and a transition metal oxide selected from group V, VI and VII.
    Type: Grant
    Filed: May 24, 2001
    Date of Patent: June 4, 2013
    Assignee: Sasol Technology (Pty) Ltd.
    Inventors: Aubin-Maurice Liwanga-Ehumbu, Jacobus Lucas Visagie, Dieter Otto Leckel
  • Hydrocracking catalyst and a diesel production process
    Publication number: 20030173253
    Abstract: The invention provides an amorphous hydrocracking catalyst for conversion of a hydrocarbon feed having a fraction above the diesel boiling range to diesel and a process using said catalyst. The catalyst includes Al2O3—SiO2 support, a noble catalytically active metal which is active for hydrocracking of a hydrocarbon above the diesel boiling range and a transition metal oxide selected from group V, VI and VII.
    Type: Application
    Filed: April 3, 2003
    Publication date: September 18, 2003
    Inventors: Aubin-Maurice Liwanga-Ehumbu, Jacobus Lucas Visagie, Dieter Otto Leckel