Patents by Inventor Isabel W. Treichel

Isabel W. Treichel 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).

  • Passive measurement of isotopes to monitor health
    Patent number: 5912178
    Abstract: Methods and apparatus are disclosed for determining the presence of a catabolic state in an organism (or collection of organisms) by measuring changes in isotopic ratios in biological materials obtained from them. Preferably, .sup.13 C/.sup.12 C ratios are monitored for isotopically unenriched animals, such as by testing changes in the ratio in blood or breath.
    Type: Grant
    Filed: February 16, 1994
    Date of Patent: June 15, 1999
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Warren P. Porter, Isabel W. Treichel, Mark E. Cook