Patents by Inventor Douglas W. Burton

Douglas W. Burton 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).

  • Diagnosis and assessment of skeletal related disease using calcium 41
    Patent number: 8388930
    Abstract: A method of determining calcium metabolism in a patient comprises the steps of administering radioactive calcium isotope 41Ca to the patient, allowing a period of time to elapse sufficient for dissemination and reaction of the radioactive calcium isotope 41Ca by the patient, obtaining a sample of the radioactive calcium isotope 41Ca from the patient, isolating the calcium content of the sample in a form suitable for precise measurement of isotopic calcium concentrations, and measuring the calcium content to determine parameters of calcium metabolism in the patient.
    Type: Grant
    Filed: April 16, 2012
    Date of Patent: March 5, 2013
    Assignees: Lawrence LIvermore National Security, LLC, The Regents of the University of California
    Inventors: Darren J. Hillegonds, John S. Vogel, Robert L. Fitzgerald, Leonard J. Deftos, David Herold, Douglas W. Burton
  • DIAGNOSIS AND ASSESSMENT OF SKELETAL RELATED DISEASE USING CALCIUM 41
    Publication number: 20120225486
    Abstract: A method of determining calcium metabolism in a patient comprises the steps of administering radioactive calcium isotope 41Ca to the patient, allowing a period of time to elapse sufficient for dissemination and reaction of the radioactive calcium isotope 41Ca by the patient, obtaining a sample of the radioactive calcium isotope 41Ca from the patient, isolating the calcium content of the sample in a form suitable for precise measurement of isotopic calcium concentrations, and measuring the calcium content to determine parameters of calcium metabolism in the patient.
    Type: Application
    Filed: April 16, 2012
    Publication date: September 6, 2012
    Inventors: Darren J. Hillegonds, John S. Vogel, Robert L. Fitzgerald, Leonard J. Deftos, David Herold, Douglas W. Burton
  • Diagnosis and assessment of skeletal related disease using calcium 41
    Patent number: 8178076
    Abstract: A method of determining calcium metabolism in a patient comprises the steps of administering radioactive calcium isotope 41Ca to the patient, allowing a period of time to elapse sufficient for dissemination and reaction of the radioactive calcium isotope 41Ca by the patient, obtaining a sample of the radioactive calcium isotope 41Ca from the patient, isolating the calcium content of the sample in a form suitable for precise measurement of isotopic calcium concentrations, and measuring the calcium content to determine parameters of calcium metabolism in the patient.
    Type: Grant
    Filed: November 17, 2005
    Date of Patent: May 15, 2012
    Assignees: Lawrence Livermore National Security, LLC, The Regents of the University of California
    Inventors: Darren J. Hillegonds, John S. Vogel, Robert L. Fitzgerald, Leonard J. Deftos, David Herold, Douglas W. Burton