Patents by Inventor Robert H. Neilson

Robert H. Neilson 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).

  • Polyphosphazene compounds and method of preparation
    Patent number: 4523009
    Abstract: Shown are fully alkylated/arylated polyphosphazenes having side units bonded to the phosphorus backbone by direct carbon-phosphorus bonds. A method of preparing the polyphosphazenes includes the thermal decomposition of and elimination of silanes from suitably constructed N-silylphosphinimines.
    Type: Grant
    Filed: July 31, 1984
    Date of Patent: June 11, 1985
    Inventors: Robert H. Neilson, Patty J. Wisian-Neilson
  • Polyphosphazene compounds and method of preparation
    Patent number: 4412053
    Abstract: Shown are fully alkylated/arylated polyphosphazenes having side units bonded to the phosphorus backbone by direct carbon-phosphorus bonds. A method of preparing the polyphosphazenes includes the thermal decomposition of and elimination of silanes from suitably constructed N-silylphosphinimines.
    Type: Grant
    Filed: January 22, 1982
    Date of Patent: October 25, 1983
    Inventors: Robert H. Neilson, Patty J. Wisian-Neilson