Patents by Inventor John F. Van Norman

John F. Van Norman 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).

  • Patent number: 5507893
    Abstract: Stabilized munitions are provided which comprise ammonium perchlorate and which have been plasticized with a NENA (nitratoethylnitramine) compound. In order to stabilize this system, Lewis base compounds of specified formula are included as part of the munition. Preferred stabilizers include urea, acetamide or nitroguanidine. The stabilized munitions, and in particular, propellants provide improved safety and/or energetic properties over current munition formulations.
    Type: Grant
    Filed: March 18, 1994
    Date of Patent: April 16, 1996
    Assignee: ICI Explosives USA Inc.
    Inventors: John J. Mullay, Randal A. Johnson, John F. Van Norman