Patents by Inventor Paul Nicolaas Venter

Paul Nicolaas Venter 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).

  • Emulsion explosive
    Patent number: 6478904
    Abstract: An emulsifier comprising at least one ester of a polyhydric composition and a mono-or poly-basic organic acid, the polyhydric composition preferably comprising a sorbitol and/or sorbitan derivative and the acid PIBSA.
    Type: Grant
    Filed: February 11, 1998
    Date of Patent: November 12, 2002
    Assignee: Sasol Chemical Industries Ltd.
    Inventors: Paul Nicolaas Venter, Francois Kruger