Patents by Inventor Emmett J. Brown, Jr.

Emmett J. Brown, Jr. 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).

  • Automatic colorimetric analyzer
    Patent number: 4319884
    Abstract: Apparatus and method for automatic colorimetric analysis. The apparatus includes a mixing chamber wherein a measured amount of sample and reagent are mixed by turbulence, and a colorimeter for measuring the extent of color development. The invention is particularly useful for analyzing samples which contain dangerous, toxic, flammable, or carcinogenic substances; and for the analysis of high temperature and/or pressure samples. A special application is the quantitative determination of hydrogen chloride in samples of vinyl chloride monomer.
    Type: Grant
    Filed: December 22, 1980
    Date of Patent: March 16, 1982
    Assignee: The Dow Chemical Company
    Inventors: Darlene Wilson, Emmett J. Brown, Jr., Lawrence J. Landry, Jr.