Patents by Inventor Geoffrey M. Wyshak

Geoffrey M. Wyshak 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).

  • Preparation of cycloorganotrisilazanes
    Patent number: 4855469
    Abstract: What is disclosed is a process for the rearrangement of cylcoorganopolysilazanes to cycloorganotrisilazanes using quaternary ammonium halides as a catalyst. The quaternary ammonium halide has the formula R.sup.i.sub.4 NX where at least one R.sup.i is a group containing greater than 11 carbon atoms and X is a halogen atom. The rearrangement process is ran either as a batch or a continuous distillation procedure.
    Type: Grant
    Filed: November 9, 1988
    Date of Patent: August 8, 1989
    Assignee: Dow Corning Corporation
    Inventors: Gnaneshwar R. Baile, John E. Herman, Geoffrey M. Wyshak