Patents by Inventor David N. Self

David N. Self 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).

  • Two phase emulsion useful in explosive compositions
    Patent number: 5670739
    Abstract: Provided is a two phase emulsion which is useful in preparing explosive compositions. The two phase emulsion is comprised of a blend of two water in oil emulsions. The two phase emulsion is comprised of a continuous oil matrix in which ammonium nitrate micelles and water micelles both exist separately in stable fashion.
    Type: Grant
    Filed: February 22, 1996
    Date of Patent: September 23, 1997
    Assignee: Nelson Brothers, Inc.
    Inventors: William P. Patterson, David N. Self