Patents by Inventor Charles W. Zepp

Charles W. Zepp 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).

  • Patent number: 5512246
    Abstract: Methods and compositions for detecting and measuring the concentration in solution of polyhydroxyl compounds, such as sugars. The invention makes use of certain dye compositions that, when linked to a derivative of boronic acid (or boronate ion), arsenious acid (or arsenite ion), or germanic acid (or germanate ion), exhibit quantitative responses to the presence of polyhydroxyl species.
    Type: Grant
    Filed: November 17, 1993
    Date of Patent: April 30, 1996
    Assignee: Anthony P. Russell
    Inventors: Anthony P. Russell, Charles W. Zepp