Patents by Inventor Albert S. Tompa

Albert S. Tompa 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).

  • Breakdown of solid propellants and explosives, recovery of nitramines
    Patent number: 4389265
    Abstract: Processes for reclaiming nitramines from propellants by dissolution of the rosslinked propellant binder by heating the propellant with either (1) a mixture of 2-aminoethanol, an aromatic solvent, and optionally a second low molecular weight alcohol, or (2) a mixture of a mineral acid (HCl, H.sub.2 SO.sub.4, and H.sub.3 PO.sub.4, but not HNO.sub.3), a organic solvent which is acetone, methyl ethyl ketone, ethylene glycol monomethyl ether, tetrahydrofuran, or mixtures thereof, and water.
    Type: Grant
    Filed: July 16, 1981
    Date of Patent: June 21, 1983
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Albert S. Tompa, David M. French, Billy R. White
  • Solvolytic degradation of pyrotechnic materials containing crosslinked polymers
    Patent number: 4098627
    Abstract: Pyrotechnic materials containing a crosslinked polymer as a component thef are decomposed by heating to a temperature of about 50.degree. to about 160.degree. C in a liquid medium comprising an active hydrogen containing compound capable of cleaving the chemical bonds contained in said polymer. One or more components of the pyrotechnic material may be separated from the products of the decomposition and reclaimed.
    Type: Grant
    Filed: December 15, 1976
    Date of Patent: July 4, 1978
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Albert S. Tompa, David M. French, George B. Butler, Melvin S. Kaufman