Patents by Inventor William H. Stemson

William H. Stemson 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).

  • Method for determination of water treatment polymers
    Patent number: 6146903
    Abstract: A method for determining the presence and/or concentration of a water treatment polymer in an aqueous sample, comprising producing a polyclonal or monoclonal antibody to the water treatment polymer, and using the antibody so produced as a reagent in an immunoassay, conducted on the aqueous sample.
    Type: Grant
    Filed: August 25, 1994
    Date of Patent: November 14, 2000
    Assignee: Strategic Diagnostics Inc.
    Inventors: Pauline Weatherbury, William H. Stemson