Patents by Inventor Charles T. Sprague

Charles T. Sprague 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).

  • Castable TNAZ/nitroaromaticamine composite explosive
    Patent number: 5997668
    Abstract: The sensitivity to shock initiation of cast 1,3,3-trinitroazetidine (TNAZ) is reduced when an effective amount of at least one nitro-substituted aromatic amine is added to a melt comprising TNAZ.
    Type: Grant
    Filed: July 27, 1998
    Date of Patent: December 7, 1999
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Stephen A. Aubert, Robert L. McKenney, Jr., Richard F. Reich, Charles T. Sprague