Patents by Inventor Robert E. McGreevy

Robert E. McGreevy 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).

  • Process for making tetrachloroethylene
    Patent number: 4002695
    Abstract: Tetrachloroethylene is obtained by the vapor phase reaction of carbon tetrachloride in the presence of elemental hydrogen and a barium chloride catalyst at a temperature of at least 500.degree. C.
    Type: Grant
    Filed: February 6, 1976
    Date of Patent: January 11, 1977
    Assignee: PPG Industries, Inc.
    Inventors: Earl M. Gorton, Robert E. McGreevy