Patents Represented by Attorney, Agent or Law Firm John P. Mulgrew
  • Preparation of strengthened ammonium nitrate propellants
    Patent number: 6726788
    Abstract: The present invention is directed to an age-stabilized and/or strengthened ammonium nitrate propellant composition wherein the strengthening agent is selected from the group consisting of azodicarbonamide, dicyandiamide, oxamide and mixtures thereof and wherein the age-stabilizing agent is a molecular sieve having a pore size of 13 angstroms or less.
    Type: Grant
    Filed: December 13, 2001
    Date of Patent: April 27, 2004
    Assignee: Universal Propulsion Company, Inc.
    Inventors: Wayne C. Fleming, Hugh J. McSpadden, Donald E. Olander