Patents by Inventor Hans Riesen

Hans Riesen 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).

  • Radiation storage phosphor and applications
    Patent number: 8890102
    Abstract: The present invention relates to a photoexcitable storage phosphor which comprises at least one rare earth element in the trivalent +3 oxidation state and wherein upon irradiation by X-ray, ?-ray or UV radiation the trivalent +3 oxidation state is reduced to divalent +2 oxidation state. The present invention also relates to a dosimeter, radiation image storage panel comprising the phosphor of the present invention and in dosimetry applications for applications including scientific, medical and other imaging applications. The present invention also relates to a process for making a photoexcitable storage phosphor and a process for recording and reproducing an image.
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: November 18, 2014
    Assignee: Dosimetry & Imaging Pty Limited
    Inventors: Hans Riesen, Wieslaw Aleksander Kaczmarek
  • Radiation storage phosphor and applications
    Patent number: 8405060
    Abstract: The present invention relates to a photoexcitable storage phosphor which comprises at least one rare earth element in the trivalent +3 oxidation state and wherein upon irradiation by X-ray, ?-ray or UV radiation the trivalent +3 oxidation state is reduced to divalent +2 oxidation state. The present invention also relates to a dosimeter, radiation image storage panel comprising the phosphor of the present invention and in dosimetry applications for applications including scientific, medical and other imaging applications. The present invention also relates to a process for making a photoexcitable storage phosphor and a process for recording and reproducing an image.
    Type: Grant
    Filed: December 16, 2005
    Date of Patent: March 26, 2013
    Assignee: Dosimetry & Imaging Pty Limited
    Inventors: Hans Riesen, Wieslaw Alex Kaczmarek
  • CORE-SHELL NANOPHOSPHORS FOR RADIATION STORAGE AND METHODS
    Publication number: 20120217419
    Abstract: This invention relates to a method for producing a core-shell nanophosphor for use in radiation storage comprising: a) preparing a nanoscale metal halide core; b) coating the nanoscale metal halide core with at least one shell which is activated by a rare earth metal; and c) forming a core-shell nanophosphor. This invention also relates to a core-shell nanophosphor comprising a substrate core and at least one shell that is sensitive to ionizing radiation, neutrons, electrons or UV radiation. This invention also relates to a radiation image storage panel, a radiation monitoring apparatus and a use of the core-shell nanophosphor according to this invention.
    Type: Application
    Filed: November 5, 2010
    Publication date: August 30, 2012
    Applicant: DOSIMETRY & IMAGING PTY LTD.
    Inventors: Hans Riesen, Tracy Massil, Zhiqiang Liu
  • RADIATION STORAGE PHOSPHOR & APPLICATIONS
    Publication number: 20090129542
    Abstract: The present invention relates to a photoexcitable storage phosphor which comprises at least one rare earth element in the trivalent +3 oxidation state and wherein upon irradiation by X-ray, ?-ray or UV radiation the trivalent +3 oxidation state is reduced to divalent +2 oxidation state. The present invention also relates to a dosimeter, radiation image storage panel comprising the phosphor of the present invention and in dosimetry applications for applications including scientific, medical and other imaging applications. The present invention also relates to a process for making a photoexcitable storage phosphor and a process for recording and reproducing an image.
    Type: Application
    Filed: December 16, 2005
    Publication date: May 21, 2009
    Inventors: Hans Riesen, Wieslaw Alex Kaczmarek