Patents by Inventor Renne Y. Keith

Renne Y. Keith 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).

  • Apparatus and methods for on-line analysis of one or more process streams
    Patent number: 5233876
    Abstract: Apparatus and methods for on-line analysis of multiple stream processes wherein each stream has an influent delivered to a treatment zone and an effluent discharged from such zone and wherein both the influent and effluent are analyzed and the analyses compared for the evaluation of the effectiveness of the treatment.
    Type: Grant
    Filed: April 4, 1991
    Date of Patent: August 10, 1993
    Assignee: The Dow Chemical Company
    Inventors: Mark A. LaPack, James C. Tou, Joanna L. Shih, William E. Martin, Renne Y. Keith, Terry J. Nestrick