Patents by Inventor Ralph S. Totman

Ralph S. Totman 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).

  • Dry ammonium nitrate blasting agents
    Patent number: 4736683
    Abstract: The invention relates generally to explosives, and more particularly to dry ammonium nitrate-fuel oil based explosives, containing a high molecular weight polymer characterized by a high stringiness factor.
    Type: Grant
    Filed: August 5, 1986
    Date of Patent: April 12, 1988
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Harold E. Bachman, Ralph S. Totman