Patents by Inventor Cecil E. Turnquist

Cecil E. Turnquist 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 rectification of propane nitration stream
    Patent number: 4394220
    Abstract: It is the discovery of the present invention to provide an improved method of rectifying the crude production stream obtained by the vapor phase nitration of hydrocarbons by subjecting the absorber bottom mixture to extractive distillation with water.
    Type: Grant
    Filed: October 22, 1981
    Date of Patent: July 19, 1983
    Assignee: Angus Chemical Company
    Inventors: Richard S. Egly, Cecil E. Turnquist