Patents by Inventor M. Frank Pickett

M. Frank Pickett 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).

  • Gossypol, an abundant, low-cost iron deactivator, pot-life extender, and processing aid for HTPB propellants
    Patent number: 3953260
    Abstract: In a method wherein propellant ingredients including a hydroxy terminated nder, an isocyanate curative therefor and transition metal compounds or traces thereof are mixed, worked into a suitable container and allowed to cure, gossypol is used to prolong the potlife of the propellant mix. Gossypol is dissolved in a portion of the hydroxy terminated binder material and the solution is utilized as a portion of the total binder. Final formulations containing from 0.02 to 0.1 weight percent gossypol are preferred although more gossypol may be used.
    Type: Grant
    Filed: May 23, 1975
    Date of Patent: April 27, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: John D. Braun, M. Frank Pickett, Howard W. Gerrish, Jr., Hans B. Jonassen
  • Burning rate modifying binder for propellant and method
    Patent number: 3932240
    Abstract: Solid rocket propellants which utilize hydroxy terminated polybutadiene as he binder and a reactive burn-rate catalyst selected from 4, 4-diferrocenyl-1-pentanol and 3, 3-diferrocenylbutyl isocyanate are disclosed. The burn-rate catalysts are chemically bound to the binder to prevent migration.
    Type: Grant
    Filed: June 4, 1973
    Date of Patent: January 13, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: John D. Braun, Arnold Nielsen, M. Frank Pickett, Ronald Henry, William P. Norris