Patents by Inventor Mark E. Smythe

Mark E. Smythe 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).

  • Boron nitride preceramic polymers
    Patent number: 4581468
    Abstract: B-triamino-N-tris(trialkylsilyl)borazines, their condensation products, and the transformation of these into preceramic polymers amenable to fiber drawing and ultimately boron nitride fiber formation.
    Type: Grant
    Filed: May 13, 1985
    Date of Patent: April 8, 1986
    Assignee: Ultrasystems, Inc.
    Inventors: Kazimiera J. L. Paciorek, Reinhold H. Kratzer, David H. Harris, Mark E. Smythe, Patrick F. Kimble
  • Halo-substituted diphospha-s-triazines and their derivatives
    Patent number: 4559175
    Abstract: This invention concerns itself with a novel class of dihalodiphospha-s-triazines as exemplified by the compound 1,3-bis[phenylchloro-phospha]-5-perfluoro-n-heptyl-2,4,6-triazines as well as their thio and azido substituted derivatives.
    Type: Grant
    Filed: April 19, 1984
    Date of Patent: December 17, 1985
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Kazimiera J. L. Paciorek, Reinhold H. Kratzer, David H. Harris, Mark E. Smythe, James H. Nakahara
  • Dihalo-monophospha-s-triazines and their derivatives
    Patent number: 4557869
    Abstract: This invention concerns itself with a class of novel dihalo-substituted monophospha-s-triazines as exemplified by the compounds 1-dichlorophospha-3,5-bis(perfluoro-n-heptyl)-2,4,6-triazine and 1-dichlorophospha-3,5-bis[C.sub.3 F.sub.7 OCF(CF.sub.3)CF.sub.2 OCF(CF.sub.3)]-2,4,6-triazine, as well as their thio and azido derivatives.
    Type: Grant
    Filed: April 19, 1984
    Date of Patent: December 10, 1985
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Kazimiera J. L. Paciorek, Reinhold H. Kratzer, David H. Harris, Mark E. Smythe, James H. Nakahara