Patents by Inventor Denise Zaunczkowski

Denise Zaunczkowski 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 and reagent for the quantitative determination of phosphorous in serum and urine
    Patent number: 4826773
    Abstract: A reagent for determining quantitatively the amount of phosphorous in bodily fluids which comprises a surface active agent, a strong acid, ammonium molybdate, a heavy metal chelating compound, and anti-oxidant, and deionized water is described. A method of using such a reagent is also described.
    Type: Grant
    Filed: July 18, 1988
    Date of Patent: May 2, 1989
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Richard A. Kaufman, Henry J. Rosenfeld, Denise Zaunczkowski