Patents by Inventor Antonios Zavaliangos

Antonios Zavaliangos 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: 5942455
    Abstract: Products having single phases or solid solutions of the formula M.sub.3 X.sub.1 Z.sub.2 wherein M is a transition metal, X is Si, Al or Ge and Z is B, C or N can be prepared by taking a powdered mixture containing M, X and Z to a temperature of about 1000.degree. C. to about 1800.degree. C., optionally simultaneously under a pressure of about 5 MPa to about 200 MPa. The products so formed have excellent shock resistance, oxidation resistance and machinability. The products may also be present as composites, preferably composites which are in thermal equilibrium with the single phase or solid solutions of the formula M.sub.3 X.sub.1 Z.sub.2.
    Type: Grant
    Filed: March 6, 1996
    Date of Patent: August 24, 1999
    Assignee: Drexel University
    Inventors: Michael Barsoum, Tamer El-Raghy, Dmitri Brodkin, Antonios Zavaliangos, Surya Kalidindi