Patents by Inventor Forrest J. Rahl

Forrest J. Rahl 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: 4736006
    Abstract: This invention relates to terpolymers of chlorotrifluoroethylene, ethylene and perfluoroalkoxyperfluoroalkyl ethylene which have improved resistance to thermal stress cracking and improved high temperature properties.
    Type: Grant
    Filed: May 14, 1986
    Date of Patent: April 5, 1988
    Assignee: Ausimont, U.S.A., Inc.
    Inventors: Herbert K. Reimschuessel, Forrest J. Rahl, Harry E. Ulmer
  • Patent number: 4407783
    Abstract: Silicon tetrafluoride is reacted with sodium hydride in a cyclic ether reaction medium such as tetrahydrofuran or 1,4-dioxane or in dimethoxyethane. Sodium aluminum hydride is dissolved in the solvent and catalyzes the reaction in amounts of 4-25%, by weight of combined sodium hydride and sodium aluminum hydride.
    Type: Grant
    Filed: August 16, 1982
    Date of Patent: October 4, 1983
    Assignee: Allied Corporation
    Inventors: Harry E. Ulmer, Donald Pickens, Forrest J. Rahl, Philip A. Lefrancois