Patents by Inventor Harry Mukerjee

Harry Mukerjee 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).

  • Colorimetric method for determination of 5-hydroxyindoleacetic acid
    Patent number: 5270215
    Abstract: A spectrophotometric assay for quantitative determination of 5-hydroxyindoleacetic acid in fluid samples. 3-methyl-2-benzthiazolone hydrazone is oxidized with sodium periodate to the corresponding diazonium salt. The resulting diazonium salt adds electrophilically to activated positions on indole ring of 5-hydroxyindoleacetic acid to yield azo dyes which absorb light at 510 nm.
    Type: Grant
    Filed: December 24, 1992
    Date of Patent: December 14, 1993
    Inventors: Matthew R. Pincus, Harry Mukerjee